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LIBRARY i mii 88004821 UNITED STATES DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY
RESULTS OF USGS OIL-SHALE CORE DRILLING IN THE EASTERN
UINTA BASIN: RED WASH-1 DRILL HOLE
By Richard W. Scott, Jr. and Michael P. Pantea
Open-File Report 82-965 1982
This report is preliminary and has not
QE | been reviewed for conformity with U.S. 75 | Geological Survey editorial standards .065 and nomenclature.
no |
82-965 |
Introduction
Location ---
oa al Genet = > eS
CONTENTS
Drilling Notes -----------------------------------------------------
Water Quality Data -------------------------------------------------
Cuttings Lithology -------------------------------------------------
Core Lithology -----------------------------------------------------
Oil Yield Bar Graphs -----------------------------------------------
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ILLUSTRATIONS
Page Figure 1. Index map of a part of Uintah County, Utah showing the location of drill site RW-1l------------------------------ 2 2. Oil yield bar graph for the RW-1 drill hole from Fischer assay analysis (1 inch = 100 feet)------------------------ 34 3. Detailed oi] yield bar graph for the RW-1 drill hole from Fischer assay analysis (1 inch = 20 feet)----------------- 35 Table Table 1. Water quality data for the Birdsnest aquifer zone in the RW-1 drill hole ------------------------------------------- 4
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RESULTS OF USGS OIL-SHALE CORE DRILLING IN THE EASTERN UINTA BASIN, UTAH: RED WASH-1 DRILL HOLE by Richard W. Scott, Jr. and Michael P. Pantea
INTRODUCTION
Two oil-shale core holes were drilled in the eastern Uinta Basin, Utah by the U.S. Geological Survey during the fall and winter of 1981-1982. These holes were drilled for the purpose of oil-shale resource evaluation in the presumed depositional center of the rich oil-shale sequence in the basin.
The drilling operations were contracted by the U.S. Geological Survey to Connors Drilling, Inc. of Lakewood, Colorado, and the field descriptions of the cuttings and core were done by Ameralda Resources, Inc. of Denver, Colorado, with revisions by the U.S. Geological Survey. Geophysical logging was done by BPB, Inc. of Grand Junction, Colorado, and the Fischer assay analysis of the core was performed by Dickinson Laboratories, Inc. of El] Paso, Texas.
The water quality data were made available by Walt Holmes and Mike Enright of the U.S. Geological Survey in Salt Lake City, Utah.
Future work with the core material from the Red Wash-1 (RW-1) drill hole includes analysis of a composite standard sample of oil shale from the Mahogany oil-shale zone (which, in this hole, includes material from 2,600.0 feet deep to 2,733.0 feet deep) for major, minor, and trace elements by the U.S. Geological Survey. The core material is stored at the U.S. Geological Survey core storage facility in Arvada, Colorado.
The authors would like to thank W. B. Cashion, M. C. Smith, J. K. Pitman, C. J. Buntenbah, A. M. Schack, and L. P. Williams for their help in preparing this report.
LOCATION
The Red Wash-1 drill hole is located in the eastern part of the Uinta Basi ,eltdae in ok b4oSe ul 4eNwel/ a iseck ol. 9S. ,CReeee Ek. salt Lake Prime Meridian (see fig. 1). The hole was drilled at the edge of an existing pad to minimize the environmental impact of the drilling operations. The RW-1 location is approximately 11.5 miles west-north-west of the town of Bonanza, Utah.
DRILLING NOTES
Both the rotary and cored intervals of the RW-1 hole were drilled with a 1981 Portadrill TKT Prospector truck-mounted rig.4/ The cored section was done with NC wireline equipment and a 20-foot core barrel. High-pressure air mist and foam were used as drilling fluids in the upper 2,100 feet of the hole and, below that, a saline mud circulation system was used.
1/Use of brand names in this report is for descriptive purposes only and does not constitute endorsement by the U.S. Geological Survey.
i 25’ 635 bed 636 637. = 2590000 FEET 638 nog" 22 20 a RG eet | ? SCALE 124000 RED WASH SW, UTAH | ee fe ] 1 MILE r Ee = ———————— = = . & 7 1000 0 1000 2000 3000 4000 5000 6000 7000 FEET . LS SoS es SSS = a ves 1 5 0 1 KILOMETER 8 is
UTAH CONTOUR INTERVAL 20 FEET
DOTTED LINES REPRESENT 10-FOOT CONTOURS DATUM IS MEAN SEA LEVEL
QUADRANGLE LOCATION
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The hole was spudded in the Tertiary Uinta Formation and both the Uinta and Green River Formations contained small amounts of gas below depths of approximately 1,700 feet. A small pocket of high-pressure gas was encountered at 2,9/0 feet; the hole was terminated there. The abandoned hole which was drilled previously on the same pad reported a similar occurrence of high- pressure gas in the drilling log about 40 feet deeper. The drill rig was fitted with a blowout preventer, but it was felt that, without switching to conventional coring equipment with check valves in the drill pipe, the potential dangers of continuing outweighed the possible advantages.
The Uinta Formation contained vuggy zones from 433 to 476 feet and from 506 to 618 feet. The lower of these two zones had larger washouts as shown on the caliper log and produced water at a rate estimated to be approximately 25 gallons per minute. This water was not sampled for analysis.
The Birdsnest aquifer in the Parachute Creek Member of the Green River Formation was encountered at 2,021 feet in the RW-1 hole. The zone was approximately 80 feet thick with most of the vugs occurring in the upper 25 feet of the aquifer zone. This aquifer produced water at a rate estimated to be about 700 to 900 gallons per minute (see table 1, water quality data for the Birdsnest aquifer in the RW-1 drill hole). The RW-1 hole was cased with 7 inch casing to a depth of 2,132 feet for hydrologic monitoring. The casing was perforated with 3/4 inch holes, four shots per foot, from 2,034 to 2,044 feet.
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TABLE 1: Water quality data
for the Birdsnest aquifer, RW-1 drill hole
Arsenic, dissolved Barium, dissolved Boron, dissolved Calcium, dissolved Carbon, organic, dissolved Chloride, dissolved Chromium, dissolved Fluoride, dissolved Iron, dissolved Lithium, dissolved Magnesium, dissolved Manganese, dissolved Mercury, dissolved Potassium, dissolved Silica, dissolved Sodium, dissolved Sulfate, dissolved Zinc, dissolved
Alkalinity, as CaC03 pH, field
Specific conductance, laboratory
Specific conductance, field Water temperature, field
50 600 240,000
Ore
60 650 3 450 300 250
OZ
30
0.6
60
less than 2 41,000 3,500
70
' 105,000
on
77,000 116,000 28
Sample taken at a depth of 2021 feet
ug/1 ug/1 ug/] mg/] mg/1 mg/1 ug/1 mg/1 ug/1 ug/] mg/1 ug/1 ug/1 mg/1 mg/1 mg/1 mg/1 ug/]
mg/1 umhos
umhos
degrees C
Water analysis by U.S. Geological Survey W.R.D. Central Lab ID: 1356606
Laboratory, Denver, Colorado.
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LITHOLOGIC DESCRIPTION RED WASH NO. 1 SAMPLE CUTTINGS
Note: Approximations of oil-shale grade in the cuttings descriptions are based on color characteristics observed in the field and should be
considered estimates. All depths are in feet.
Feet Description 0-5 No sample 5-35 Sandstone, fine-grained, orangish-brown, unconsolidated
35-135 Clay and mudstone. Clay, dark-gray, unconsolidated; mudstone, dark-gray, poorly cemented
135-145 Sandstone, medium- to coarse-grained, medium-gray, hard, well- cemented, moderately well sorted; trace MnO» staining
145-150 Siltstone, dark-gray, hard, well-cemented; trace MnO. Staining
150-155 Sandstone, fine-grained, hard, well-cemented, well-sorted, moderately silty
155-175 Sandstone, medium-grained, medium-gray, hard, moderately wel] sorted, moderately well cemented
175-185 Mudstone, dark-gray to black, moderately hard, brittle, slightly silty
185-190 Sandstone, fine-grained, medium- to dark-gray, hard, slightly silty
190-200 Mudstone, dark-gray to black, moderately hard, brittle, Slightly silty
200-245 Sandstone, fine-grained, medium-gray, moderately hard, well- cemented, moderately well sorted, fine- to medium-grained from 205 to 210, slightly silty from 235 to 240
245-255 Shale, dark-gray to black, hard, brittle, slightly silty
255-260 Sandstone, fine-grained, medium-gray, moderately hard, well- cemented, moderately well sorted
260-280 Shale, dark-gray to black, hard, brittle, slightly silty
280-355 Sandstone, fine- to medium-grained, light- to medium-gray,
moderately hard, well-cemented, moderately well sorted; slightly silty; trace MnO» staining; trace finely disseminated pyrite
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Feet
355-360
360-365
365-430
430-435
435-500
500-510
510-590
590-595
595-615
615-630
630-635
635-655
655-670
RED WASH NO. 1l--continued
Description
Siltstone, light- to medium-gray, slightly argillaceous, Slightly sandy
Sandstone and siltstone. Sandstone, fine- to medium-grained, light- to medium-gray, moderately hard, well-cemented, moderately well sorted; siltstone, light- to medium-gray, hard
Siltstone, light- to medium-gray, hard, slightly argillaceous, Slightly oxidized from 395 to 400, slightly sandy from 405 to 410 and from 420 to 425
Sandstone, medium-grained, light- to medium-gray, hard, well- sorted, slightly silty
Siltstone, dark-gray, hard; trace fine-grained sandy material; trace finely disseminated pyrite
Sandstone, fine-grained, medium-gray to medium-green, hard, well-sorted; trace finely disseminated pyrite; slightly silty
Siltstone, medium-gray to light-brown and medium-green, very hard; trace finely disseminated pyrite; slightly sandy; trace shaly material from 555 to 560
Siltstone and sandstone. Siltstone, medium-gray to light-brown and medium-green, very hard; trace finely disseminated pyrite; sandstone, fine-grained, light-green to light-gray, hard, well-sorted; trace finely disseminated pyrite; slightly silty
Sandstone, fine- to medium-grained, light-green to light-gray, hard, well-sorted
Siltstone, medium-gray to medium-green, very hard, well- cemented; trace fine-grained sandy material; trace finely disseminated pyrite
Shale, dark-grayish-brown, hard, brittle, slightly silty; trace finely disseminated pyrite
Siltstone with sandstone interbedded. Siltstone, medium- greenish-gray, hard; trace pyrite; sandstone, fine-grained, light-greenish-gray, hard, well-sorted; trace finely disseminated pyrite
Sandstone, fine- to medium-grained, light-gray, moderately soft, poorly consolidated, saturated with heavy crude
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Feet
670-740
740-780
780-785
785-790
790-800
800-810
810-840
840-850
850-885
885-905
RED WASH NO. 1--continued
Description
Sandstone and siltstone interbedded. Sandstone, fine-grained, light-green to light-gray, moderately hard; trace finely disseminated pyrite, trace fine- to medium-grained sandstone saturated with heavy crude from 670 to 680; siltstone, medium-green, hard; trace finely disseminated pyrite; trace very fine grained sandy material
Siltstone, dark-green to medium-grayish-green, moderately hard, moderately calcareous; trace finely disseminated pyrite; very fine grained, light-gray, sandy material common
Siltstone with sandstone interbedded. Siltstone, dark-green to medium-grayish green, moderately hard, moderately calcareous; sandstone, fine-grained, medium- to dark-gray, hard, well- sorted, slightly calcareous; trace finely disseminated pyrite
Sample missing
Siltstone, medium-gray to medium-grayish-green, moderately soft, slightly calcareous; trace finely disseminated pyrite; medium-grained, light-gray, poorly consolidated sandstone common from 795-800
Sandstone and siltstone. Sandstone, fine- to medium-grained, light-gray, poorly consolidated, slightly calcareous; siltstone, medium-grayisn-green, moderately hard, moderately calcareous; trace pyrite
Sandstone, fine- to medium-grained, light- to medium-gray, moderately soft, poorly consolidated, moderately calcareous; trace gilsonite streaks; trace finely disseminated pyrite; trace dark-green silty material
Siltstone, light-gray to light-greenish-gray, moderately hard, brittle; trace finely disseminated pyrite; trace gilsonite streaks; trace very fine grained sandy material
Sandstone with siltstone interbedded. Sandstone, fine-grained, light-gray, moderately hard, moderately well consolidated; trace gilsonite streaks; siltstone, light-grayisn-green, moderately hard, slightly calcareous
Siltstone with shale interbedded. Siltstone, dark-gray, hard, Slightly calcareous; trace finely disseminated pyrite; trace fine-grained sandy material; shale, dark-greenish-gray, moderately hard, brittle, slightly silty
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Feet
905-910
910-920
920-935
935-940
940-955
955-960
960-975
975-1005
1005-1025
1025-1040
1040-1050
1050-1065
RED WASH NO. 1--continued
Description
Shale with sandstone interbedded. Shale, dark-greenish-gray, moderately hard, brittle, slightly silty; sandstone, fine- grained, light-gray, moderately hard, brittle
Sandstone, fine- to medium-grained, light-gray, moderately soft, poorly consolidated, moderately calcareous
Sandstone with siltstone interbedded. Sandstone, fine-grained, light-gray, hard, well sorted, moderately well cemented; trace finely disseminated pyrite, slightly silty; siltstone, medium- to dark-gray, moderately hard, brittle, slightly argillaceous, slightly calcareous
Siltstone, medium- to dark-gray, moderately hard, brittle, Slightly argillaceous, slightly calcareous; trace fine- grained sandy material
Siltstone with shale interbedded. Siltstone, medium- to dark- gray, moderately hard, brittle; shale, light-gray, moderately hard, brittle, moderately silty
Sandstone, fine-grained, light-gray, soft, poorly consolidated; abundant silty material
Siltstone, medium-gray to medium-green, hard, slightly calcareous, slightly argillaceous; abundant fine- to medium- grained, light-gray, sandy material from 960-965; trace fine- grained sandy material from 965-975
Sandstone, medium-grained, light- to medium-gray, soft, poorly consolidated, slightly calcareous; trace finely disseminated pyrite; medium-gray silty material common
Sandstone, fine- to medium-grained, medium-gray, soft, poorly consolidated, slightly to moderately calcareous; trace finely disseminated pyrite; slightly silty
Siltstone, dark-gray, moderately hard, brittle, slightly calcareous; trace fine-grained sandy material
Siltstone with shale interbedded. Siltstone, dark-gray, moderately hard, brittle, slightly calcareous; shale, light- gray, hard, brittle, slightly calcareous; slightly silty
Siltstone, medium- to dark-gray, hard, moderately brittle, slightly argillaceous, slightly calcareous; trace fine- grained sandy material .
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Feet
1065-1070
1070-1090
1090-1100
1100-1180
1180-1225
1225-1245
1245-1250
1250-1255
1255-1265
1265-1270
RED WASH NO. 1--continued
Description
Siltstone with shale interbedded. Siltstone, medium- to dark- gray, hard, moderately brittle, slightly argillaceous, Slightly calcareous; shale, light-gray, hard, brittle, slightly calcareous, slightly silty
Sandstone, medium- to coarse-grained, light- to medium-gray, moderately hard, moderately well consolidated; trace silty material
Sandstone with siltstone interbedded. Sandstone, medium- to coarse-grained, light- to medium-gray, moderately hard, moderately well consolidated; siltstone, medium-grayish- green, hard, moderately calcareous; trace finely disseminated pyrite; fine-grained sandy material common
Siltstone, medium- to dark-gray, hard, slightly brittle, Slightly calcareous, slightly argillaceous; trace fine- grained, light-gray sandstone from 1125-1130 and from 1150- 1155; trace finely disseminated pyrite; trace shaly material
Siltstone with sandstone interbedded. Siltstone, medium- to dark-gray, hard, slightly brittle, slightly calcareous, Slightly argillaceous; sandstone, fine-grained, light-gray, hard, well-sorted, slightly calcareous, slightly argillaceous; trace dark-reddish-brown shaly material from 1240) £0 #1215
Siltstone, dark-gray, moderately hard, brittle, moderately calcareous; trace finely disseminated pyrite; trace fine- grained sandy material
Siltstone with sandstone interbedded. Siltstone, dark-gray, moderately hard, brittle, moderately calcareous; sandstone, fine grained, hard, moderately calcareous, slightly silty; trace gilsonite streaks
Siltstone with shale interbedded. Siltstone, dark-gray, moderately hard, brittle, moderately calcareous; shale, medium-gray, moderately hard, brittle; trace fine-grained sandy material
Siltstone with sandstone interbedded. Siltstone, dark-gray, moderately hard, brittle, moderately calcareous; sandstone, fine-grained, hard, moderately calcareous, slightly silty; trace gilsonite streaks
Sandstone, fine- to medium-grained, medium- to dark-gray, hard, very calcareous, slightly silty; trace finely disseminated pyrite
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Feet
1270-1300
1300-1310
1310-1325
1325-1330
1330-1345
1345-1350
1350-1380
1380-1400
1400-1425
1425-1470
RED WASH NO. 1--continued
Description
Sandstone with siltstone interbedded. Sandstone, fine- to medium-grained, medium- to dark-gray, hard, very calcareous, Slightly silty; siltstone, medium-gray, hard, brittle; trace fine-grained sandy material; trace shale from 1275-1280
Siltstone, medium- to dark-gray, hard, brittle; trace finely disseminated pyrite; trace fine-grained sandy material
Siltstone with sandstone interbedded. Siltstone, medium- to dark-gray, hard, brittle; sandstone, fine-grained, light- gray; trace gilsonite streaks; trace finely disseminated pyrite; slightly calcareous, slightly silty
Sandstone, fine- to medium-grained, light- to medium-gray, very hard, slightly calcareous; trace light-gray silty material; trace gilsonite streaks; trace marlstone
Sandstone with siltstone interbedded. Sandstone, fine- to medium-grained, light- to medium-gray, very hard, slightly calcareous; siltstone, light-gray to dark-gray, hard, brittle, moderately calcareous; trace possible low-grade oi] shale
Sandstone, fine-grained, light-gray, moderately hard, well- sorted, moderately calcareous; trace finely disseminated pyrite; trace gilsonite streaks
Sandstone with siltstone interbedded. Sandstone, fine-grained, light-gray, moderately hard, well-sorted, moderately calcareous; siltstone, medium-gray, moderately hard, brittle, slightly calcareous; trace light-brown oi] shale from 1350- 1370; light- to medium-brown, medium-grade o0i11-shale common from 1370 to 1380
Siltstone, dark-gray hard, brittle, slightly calcareous; trace very fine sandy material; trace light- to medium-brown oi] shale
Siltstone with sandstone interbedded. Siltstone, dark-gray, hard, brittle, slightly calcareous; sandstone, fine- to medium-grained, moderately hard; trace finely disseminated pyrite; trace gilsonite streaks; light- to medium-brown, low- to medium-grade oil-shale common
Sandstone, fine- to medium-grained, moderately hard,
interbedded with dark-gray siltstone from 1455 to 1460; trace marlstone and low-grade oi] shale
10
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Feet
1470-1495
1495-1525
1525-1540
1540-1605
1605-1660
1660-1695
1695-1705
1705-1710
1710-1730
1730-1760
RED WASH NO. 1--continued
Description
Sandstone with siltstone interbedded. Sandstone, fine- to medium-grained, moderately hard; siltstone, medium- to dark- gray, very hard, moderately calcareous; finely disseminated pyrite common; trace low-grade oil shale from 1480 to 1485 and from 1490 to 1495
Sandstone and siltstone. Sandstone, fine-grained, light-gray, moderately hard, slightly calcareous, moderately silty; trace finely disseminated pyrite; siltstone, medium- to dark-gray, very hard, brittle; trace finely disseminated pyrite
Siltstone, dark-gray, very hard, brittle; trace finely disseminated pyrite; marlstone and low-grade oil-shale common
Sandstone, fine- to medium-grained, light-gray, moderately hard, moderately well consolidated, slightly calcareous; trace gilsonite streaks; trace finely disseminated pyrite; abundant marlstone and very low-grade oi] shale from 1550 to 1560; silty material common
Siltstone, light- to medium-gray, hard, brittle, sligntly calcareous; trace finely disseminated pyrite; trace marlstone and very low-grade oi] shale from 1615 to 1620
Sandstone, fine-grained, light- to medium-gray, moderately hard, moderately well consolidated, slightly calcareous, moderately silty; trace finely disseminated pyrite
Oil shale, light- to medium-brown, hard, brittle, low grade, Slightly marly; trace silty material
Oil shale, sandstone, and siltstone interbedded. Oi! shale, light- to medium-brown, hard, brittle, low-grade; sandstone, fine-grained, light- to medium-gray, moderately hard, moderately well consolidated, slightly calcareous; siltstone, light- to dark-gray, hard, brittle
Siltstone and sandstone interbedded. Siltstone, light- to dark-gray, hard, brittle; sandstone, fine-grained, light- to medium-gray, moderately hard, moderately well consolidated, Slightly calcareous; very low to low-grade oil-shale common from 1710 to 1720; trace coarse-grained sandy material from 1720-1730
Siltstone, dark-grayish-brown, very hard, moderately brittle,
slightly calcareous; trace finely disseminated pyrite; trace very fine-grained sandy material
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Feet
1760-1785
1785-1835
1835-1845
1845-1870
1870-1875
1875-1880
1880-1950
1950-1960
1960-2020
RED WASH NO. 1--continued
Description
Siltstone with sandstone interbedded. Siltstone, dark-grayish- brown, very hard, moderately brittle, slightly calcareous; Sandstone, fine- to medium-grained, light-gray, moderately hard, moderately sorted, moderately consolidated, slightly calcareous; trace finely disseminated pyrite; trace maristone and very low-grade oil shale; chert pebbles abundant from 1750-1755.
Sandstone, medium- to coarse-grained, light- to medium-gray, soft, poorly sorted, poorly consolidated, slightly calcareous; trace silty material; asphaltic resin abundant from 1815 to 1835
Siltstone, light- to medium-gray, hard, slightly calcareous; trace finely disseminated pyrite; abundant medium- to coarse- grained, light- to medium-gray, poorly consolidated sandstone, possibly due to cave
Sandstone with siltstone interbedded. Sandstone, medium- to coarse-grained, light- to medium-gray, soft, poorly sorted, poorly consolidated; siltstone, light- to medium-gray, hard
Sandstone, fine-grained, light- to medium-gray, moderately hard, slightly calcareous, slightly silty; abundant asphalitc resin
Sandstone with siltstone interbedded. Sandstone, fine-grained, light- to medium-gray, moderately hard, slightly calcareous; siltstone, light-gray, moderately hard, slightly calcareous; moderate amount of fine-grained sandy material; asphaltic resin abundant
Siltstone, medium-gray, moderately hard, slightly calcareous; moderate amount of fine-grained sandy material; trace finely disseminated pyrite; trace chert from 1920 to 1925
Oil shale with siltstone. Oi] shale, medium-brown, low- to medium-grade, moderately hard, brittle, slightly marly, highly calcareous; siltstone, medium-gray, moderately hard, may be due to cave. TOP OF THE GREEN RIVER FORMATION - PARACHUTE CREEK MEMBER AT 1950.0.
Oil shale, medium-brown, low- to medium-grade; moderately hard; brittle, very calcareous; trace pyrite
12
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RED WASH NO. 1--continued
Feet Description
2020-2130 0i]1 shale, medium-brown, low- to medium-grade, moderately hard, brittle, very calcareous; trace pyrite; numerous greenish- gray shale fragments from 2040 to 2060; trace dark-gray to black shale fragments; abundant nahcolite; top of Birdsnest aquifer at 2021.0.
2130-2160 Samples missing
2160.0 Core point
i3
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CORE LITHOLOGY U.S. GEOLOGICAL SURVEY RED WASH #1
Description
Feet
2160.0-2161.0 2161.0-2162.1
2162.1-2169.6
2169.6-2173.5
2173.5-2186.1
2186.1-2189.9
2189.9-2195.7
1.0 foot core loss, 2160.0 is core point
Oil shale, light- to medium-brown, massive and evenly bedded,
competent; few small scattered white nahcolite bands; interval is rubblized, drill induced
Oil shale, light-brown, evenly bedded with trace streaked and
irregular bedding, competent; 0.4 foot band of translucent, medium- to dark-brown, coarse-crystalline nahcolite at 2164.0; trace gilsonite streaks; trace asphalt streaks and leaf fossils; 0.05 foot band of milky white, altered nahcolite at 2167.8; black and white, altered nahcolite streaks and stringers common; 0.2 foot band of black and white, altered nahcolite with bladed and radial structure at 2168.7
Oi] shale, medium-brown, evenly bedded and massive with some
looped and streaked-bedding, competent; trace dark-brown to black asphaltic tuff streaks, stringers, and 0.1 foot band at 2169.6; 0.3 foot bands of white, altered pin-point nahcolite at 2170.6 and 2171.1; pin-point nahcolite abundant from 2170.6-2173.5; gradational contact
Oil shale, marly, buff to light-brown, evenly bedded with
trace massive bedding, competent; abundant altered white pin-point nancolite from 2173.5-2179.1; 0.5 foot bed of medium- to dark-brown, coarse-crystalline nahcolite with bladed and radial structure at 2179.3, 0.6 foot bed at 2180.9, 0.2 foot pod at 2182.0 and 0.1 foot pod at 2183.2; trace black and white nahcolite streaks and stringers; light- to medium-brown porous nahcolite streaks and stringers common; tan to buff marlstone streaks and stringers common; trace gilsonite streaks; trace light- to medium-brown oil-shale streaks and stringers
Oi] shale, medium-brown, evenly bedded with trace contorted
bedding, competent; abundant white altered nahcolite streaks, stringers, and blebs; 0.2 foot band of dark-brown nahcolite with bladed and radial structure at 2187.1 and 0.3 foot band at 2187.7; trace medium- to dark-brown oil- Shale streaks, stringers, and blebs
Oi] shale, light- to medium-brown, massive with trace even,
contorted, and inclined bedding, competent; abundant white pin-point nahcolite streaks, stringers, and blebs; 0.2 foot band of dark-brown nahcolite at 2193.6; 0.05 foot stringer of black and white altered nahcolite at 2190.2
14
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Feet
2195.7-2197.3
P19 7e3=7211.6
2211.6-2215.4
2215.4-2220.4
2220.4-2236.2
2236. 2-2252.4
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, dark-brown, evenly bedded with some looped and contorted bedding, competent; altered white pin-point nahcolite common; fairly low density
0il shale, medium- to dark-brown, evenly bedded with trace irregular bedding, competent; 0.4 foot bands of medium- to dark-brown, coarsely crystalline nahcolite with bladed and radial structure at 2203.7 and 2206.4, 0.3 foot bands 2207.3 and 2208.1; abundant dark-brown oil-shale streaks, stringers, and blebs; 1.2 foot solution fracture at 2200.0 sealed with asphalt; few scattered altered white nahcolite Streaks and stringers
Oil shale, light- to medium-brown, massive with even bedding, competent; 0.05 foot stringer of altered white nahcolite at 2215.1; trace medium- to dark-brown oil-shale streaks and blebs
0il shale, medium-brown, even and massive bedding, competent; 0.2 foot bands of dark-brown, coarsely crystalline nahcolite with bladed and radial structure at 2215.4 and 2218.4
0i1 shale, light-brown to medium-grayish-brown, massive and evenly bedded with trace contorted bedding, very competent; 0.2 foot band of dark-brown to black, coarsely crystalline nahcolite at 2235.4; greenish-gray to black pyritic tuff streaks, stringers, and blebs common and 0.2 foot pod at 2224.4; gilsonite streaks common; 0.2 foot band of buff marlstone at 2231.5; gradational contact
Oil shale, medium-brown, massive and evenly bedded with trace contorted bedding, competent; 0.3 foot bands of translucent, dark-brown to black coarsely crystalline nahcolite with bladed and radial structure at 2241.2, 2242.2, and 2244.0, 0.1 foot band 2245.9, 0.2 foot bands at 2246.0 and 2249.0, 0.7 foot bands at 2246.3 and 2250.2 and 0.2 foot pod at 2243.0; green to gray pyritic tuff streaks, stringers, and blebs common; gilsonite streaks common; trace asphalt streaks; 0.05 foot stringer of dark-brown to black oi] shale at 2252.0
15
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2252.4-2263.8
2263.8-2265.2
Jeon ee-22/1.2
2271.2-2274.4
2274.4-2279.8
2279.8-2298.3
2298. 3-2301.7
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, light- to medium-olive-brown, massive with even bedding trace looped bedding, inclined and streaked bedding, competent; 0.1 foot band of dark-brown to black nahcolitevaty2252:73c 0v05 footastringereat 2253.5; 0.2 foot bands of coarsely crystalline nahcolite with bladed and radial structure at 2255.7, 2256.7, and 2260.5; 0.1 foot bands at 2256.4 and 2257.9; trace altered black and white nahcolite streaks and stringers; dark-brown asphaltic tuff streaks and stringers common; green to gray pyritic tuff streaks, stringers and blebs common; trace gilsonite streaks, 0.1 foot band of dark-brown oi] shale at 2261.8, 0.05 foot stringer at 2261.6; gradational contact
Oil shale, light-brown, even and streaked bedding, competent; marlstone streaks and stringers fairly common; gradational contact
Oil shale, medium-brown, even with trace massive bedding, good competence; 0.2 foot band of dark-brown to black, coarsely crystalline nahcolite with bladed and radial structure at 2265.3; 0.05 foot stringer of altered black and white nahcolite at 2267.6; green to gray pyritic tuff Streaks, stringers, and blebs common; trace dark-brown asphaltic tuff streaks and blebs; gilsonite streaks common
0i1 shale, light-brown to buff, massive with trace even bedding, very competent; abundant green to gray granular pyritic tuff streaks, stringers, and blebs; trace asphaltic tuff streaks; gilsonite streaks common
Oil shale, medium-brown, even with trace massive bedding, competent; abundant green to gray pyritic tuff streaks, Stringers and blebs; dark-brown asphaltic tuff streaks common; light-brown to buff marlstone stringers common; 0.7 foot zone of dark-brown oil-shale stringers and bands
Oil shale, light-olive-brown, evenly bedded with trace looped bedding, very competent; trace greenish-gray pyritic tuff streaks; medium- to dark-brown oil-shale streaks and bands common; trace medium- to dark-brown asphaltic tuff streaks and stringers
Oi] shale, medium- olive-brown, evenly bedded with looped bedding, very competent; dark olive-brown oil-shale streaks, stringers, and bands common; trace greenish-gray pyritic tuff streaks and blebs; a 0.05 foot medium-brown, asphaltic tuff stringer at 2300.5
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2330.5-2339.1
2339.1-2342.1
2342.1-2346.3
2346.3-2347.8
2347.8-2354.7
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, light- to medium-olive-brown, evenly bedded with trace streaked and irregular bedding, competent; trace dark-olive-brown oil-shale stringers and laminae; trace greenish-gray pyritic tuff streaks; trace white, kaolinitic(?) tuff streaks; a 0.5 foot bed of dark-olive- brown oil shale from 2308.4 to 2308.9
Oil shale, light- to medium-olive-brown, evenly bedded with trace streaked and irregular bedding, very competent; medium- to dark-olive brown oil-shale streaks and stringers common; slightly darker from 2324.2 to 2325.1; greenish- gray pyritic tuff streaks and blebs common; trace gilsonite streaks; trace tan marly streaks
Oil shale, light-olive-brown to tan, evenly bedded with trace Streaked bedding, competent; trace greenish-gray pyritic tuff streaks; trace gilsonite streaks; numerous partings and high-angle fractures
Oil shale, medium- and dark-olive-brown, even and irregular bedding, very competent; medium- to dark-brown asphaltic tuff streaks and blebs common
Oil shale, light-olive-brown, evenly bedded with trace Streaked bedding, very competent; greenish-gray pyritic tuff streaks and blebs common; a 0.1 foot medium-brown tuff streak with white kaolinite(?) and dark-brown asphaltic filling at 2337.6; numerous high angle fractures from PSUs DAL OY 25D
011 shale, medium-olive-brown, evenly bedded with trace Streaked bedding, very competent; trace gilsonite streaks; trace greenish-gray pyritic tuff streaks; a 0.3 foot medium brown tuff band at 2340.2
Oi] shale, light-olive-brown to tan, evenly bedded with trace Streaked bedding, very competent; tan to buff marly stringers and laminae common; greenish-gray pyritic tuff streaks common; trace gilsonite streaks
Oi] shale, medium- and dark-olive-brown, evenly bedded with some streaked and looped bedding, very competent; dark- brown asphaltic tuff streaks, stringers, and blebs common; trace tan marly streaks
Oil shale, light- to medium-olive-brown, evenly bedded with Streaked and irregular bedding, competent; dark-olive-brown oil-shale streaks common; greenish-gray pyritic tuff Stringers and blebs common; trace dark-gray-brown tuff Streaks and bands
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2354.7-2356.4
2356.4-2358.7
2358.7-2362.7
2362.7-2366.5
2366.5-2373.2
2373.2-2391.9
2391.9-2395.8
2395.8-2408.9
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, medium- and dark-olive-brown, even and irregular bedding, very competent; dark-brown tuff streaks and bands common; trace asphaltic tuff streaks and blebs; trace greenish-gray pyritic tuff streaks
Oil shale, light- to medium-olive-brown, evenly bedded, very competent; greenish-gray pyritic tuff streaks common; trace dark-olive-brown oil-shale streaks and laminae
0i1 shale, medium-olive-brown, evenly bedded with some streaked bedding, very competent; greenish-gray pyritic tuff streaks and blebs common; few scattered dark-brown asphaltic tuff streaks and stringers; trace tan marly streaks; gradational contact
Oil shale, light- to medium-olive-brown, evenly bedded with trace streaked bedding, very competent; greenish-gray pyritic tuff streaks and stringers common; trace dark-olive brown oil-shale streaks and laminae
Oil shale, medium- and dark-olive-brown banded, evenly bedded with trace streaked and irregular bedding, very competent; trace tan marly streaks; medium-brown asphaltic tuff streaks and stringers common with a 0.1 foot band at 2368.5; trace greenish-gray pyritic tuff streaks
0il shale, medium-olive-brown, even bedding, very competent; dark-olive-brown oil-shale stringers and laminae common; trace dark-brown asphaltic tuff streaks and blebs; drill induced rubble from 2378.1 to 2379.7; trace greenish-gray pyritic tuff streaks and blebs; trace gilsonite streaks; a long high-angle fracture from 2380.0 to 2383.7; a 0.1 foot medium-brown, irregular, slightly pyritic tuff stringer at 2386.4; a 0.2 foot medium-brown tuff band at 2386.8; gradational contact
Oil shale, light- to medium-olive-brown, even bedding with some streaks, very competent; greenish-gray pyritic tuff streaks, stringers and blebs common; trace medium-brown asphaltic tuff streaks; trace gilsonite streaks
Oil shale, medium- to dark-olive-brown, evenly bedded with some streaked bedding, very competent; dark-brown asphaltic tuff streaks, stringers, and blebs common; trace tan marly Streaks and stringers; greenish-gray pyritic tuff streaks common; gradational contact
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2408.9-2410.5
2410.5-2422.6
2422.6-2426.1
2426.1-2431.8
2431.8-2433.3
2433.3-2441.3
2441.3-2445.1
CORE LITHOLOGY USGS RED WASH #1--continued
Description
0i]1 shale, light- to medium-olive-brown, even bedding with Some streaks, competent; abundant greenish-gray pyritic tuff streaks, stringers, and blebs; trace light-tan to buff marlstone streaks; trace clear to white calcite(?) stringers
Oil shale, medium- to dark-olive-brown, even to irregular bedding with trace of streaks and looped and contorted bedding, competent; a 0.4 foot band of dark-olive-brown 07] Shale at 2412.4 and 2422.2, a 0.2 foot band at 2421.6; abundant dark-brown to black asphaltic tuff streaks, stringers and blebs, a 0.1 foot band at 2412.8 and 2418.9; few scattered greenish-gray pyritic tuff streaks, Stringers, and blebs; sharp contact
Oil shale, light- to medium-olive-brown, even bedding with massive and trace contorted bedding, very competent; greenish-gray, pyritic tuff streaks and blebs common; trace dark-brown to black asphaltic tuff streaks and blebs; trace gilsonite streaks; trace asphalt streaks
Oil shale, medium- to dark-olive-brown, even bedding with streaks, looped and contorted bedding, competent; greenish- gray, pyritic tuff streaks, stringers, and blebs common; few scattered dark-brown to black asphaltic tuff streaks, Stringers and blebs; few scattered dark-brown oil-shale streaks and stringers; abundant asphalt streaks; sharp contact
Oil shale, light- to medium-olive-brown, evenly bedded and massive with a few streaks, competent; trace greenish-gray pyritic tuff streaks and stringers; trace medium- to dark- olive-brown oil-shale stringers; trace asphalt streaks
011 shale, medium- to dark-olive to gray-brown, even bedding with trace contorted and looped bedding and streaks, competent; abundant greenish-gray pyritic tuff streaks, stringers, and blebs; few scattered dark-brown to black asphaltic tuff streaks and stringers, a 0.1 foot band at 2433.3; a 0.1 foot band of dark-brown oil shale at 2440.0
Oil shale, light- to medium-olive-brown, evenly bedded with trace contorted bedding, competent; few scattered greenish- gray pyritic tuff streaks, stringers, and blebs; few scattered dark-brown asphaltic tuff streaks and stringers; a 0.1 foot band at 2444.3; trace medium- to dark-brown oil- shale streaks and stringers; sharp contact
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2445.1-2446.5
2446.5-2451.8
2451.8-2454.4
2454.4-2459.8
2459.8-2464.5
2464.5-2468.3
2468. 3-2470.1
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, dark-olive-brown to black, contorted and even bedding, competent; few scattered greenish-gray pyritic tuff streaks and blebs; trace dark-brown asphaltic tuff streaks and stringers; trace light-brown to buff oil-shale Streaks and stringers; fairly low density
Oil shale, medium-olive-brown, evenly bedded with massive and trace contorted bedding, competent; abundant greenish-gray pyritic tuff streaks, stringers, and blebs; trace dark- brown to black asphaltic tuff streaks and blebs; trace white to buff marlstone streaks and stringers; a 0.9 foot bed of light-brown to buff oi] shale at 2450.9; gradational contact
0il shale, medium- to dark-olive-brown, evenly bedded with trace looped, inclined and contorted bedding, competent; a 0.5 foot band of dark-olive-brown to black oil shale at 2453.2, a 0.4 foot band at 2454.0; trace dark-brown asphaltic tuff streaks and blebs; trace asphalt streaks; trace gilsonite streaks; sharp contact
0i1 shale, light- to medium-olive-brown, evenly bedded and massive with trace contorted bedding, competent; abundant greenish-gray pyritic tuff streaks, stringers, and blebs, a 0.1 foot band at 2457.0 and 2457.6; few scattered dark- brown asphaltic tuff streaks, stringers, and blebs; gradational contact
Oil shale, medium- to dark-olive-brown, massive and evenly bedded with trace contorted bedding, competent; few scattered dark-brown asphaltic tuff streaks and blebs; trace dark-olive-brown to black oil-shale streaks; a 5.9 foot fracture from 2461.8 to 2467.7; sharp contact
Oil shale, medium-olive-brown, evenly bedded with trace streaked and contorted bedding, competent; abundant dark- brown asphaltic tuff streaks, stringers, and blebs; few scattered greenish-gray pyritic tuff streaks, stringers, and blebs; few scattered dark-olive-brown oil-shale streaks and stringers; trace gilsonite streaks; few scattered light-olive-brown to buff oil-shale streaks and stringers
Oil shale, dark-olive-brown to black, looped, streaked, contorted with trace massive bedding, competent; few scattered greenish-gray pyritic tuff streaks and blebs; trace light- to medium-olive-brown oil-shale stringers and bands; sharp contact
20
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bedeatd@ | sheqoe! ssid ox mardeovlfoedieb yalaie {10 ae war rJosteqme> ,pntbood evtzesm ovsys Attw batiosnos | padefd baw adsense Tut ofsteg ustptatpsw ig bewayyane pre eropatyge slong. fe seer mies of -taptl © ne oe b a : me to43 oD ae sa ne ‘Piya Se pee
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2470.1-2483.1
2483.1-2488.5
2488.5-2492.4
2492.4-2499.2
2499.2-2514.1
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, medium- to dark-olive-brown, evenly bedded with trace contorted bedding, competent; abundant dark-brown to black asphaltic tuff streaks, stringers, and blebs with 0.1 foot bands at 2473.1, 2473.2, 2474.3, 2477.2 and 2480.1 and a 0.2 foot band at 2474.7; trace greenish-gray pyritic tuff streaks and blebs; trace gilsonite streaks; few scattered dark-olive-brown oil-shale streaks and stringers, a 0.2 foot band at 2475.1 and 2478.6; a 5.0 foot fracture from 24d Qed iGo:. 2475. iaira 05 27 cfoot wfracturesfirom e2477 s2icteo 2482.9; gradational contact
Oil shale, medium-olive-brown, even, looped, contorted and streaked bedding, competent; abundant dark-brown to black asphaltic tuff streaks, stringers, and blebs, 0.1 foot bands at 2483.9, 2484.4, and 2487.2, a 0.5 foot zone of contorted streaks and stringers at 2484.7; trace greenish- gray pyritic tuff streaks and blebs; trace gilsonite Streaks; trace dark-olive-brown oil-shale streaks and stringers; gradational contact
Oil shale, light- to medium-olive, even with trace contorted bedding, competent; greenish-gray pyritic tuff streaks, stringers, and blebs common, a 0.1 foot zone of streaks and stringers at 2490.4; trace dark-brown asphaltic tuff Streaks and stringers; trace asphalt streaks; a 0.1 foot band of dark-olive brown oi1 shale at 2490.5; gradational contact
0il shale, medium-olive-brown, even with contorted bedding, competent; abundant dark-brown to black asphaltic tuff streaks, stringers, and blebs with 0.2 foot bands at 2493.6, 2496.2, and 2497.,0 and 0.1 foot bands at 2496.7 and 2493.9 and a 0.4 foot zone of streaks and stringers at 2494.2; trace greenish-gray pyritic tuff streaks and blebs; trace white to buff marlstone streaks and stringers; gradational contact
Oil shale, medium- to dark-olive-brown, even with trace streaked and contorted bedding, competent; abundant dark- brown to black asphaltic tuff streaks, stringers, and blebs with a 0.5 foot band at 2510.7 and 0.1 foot bands at P5042 #250403;,.025 12-47 crar0s2 foot xbandecat, 250921; ctrace gilsonite streaks; a 8.6 foot fracture from 2501.6 to 2510.2; gradational contact; a 1.6 foot core loss from 2500.0 to 2501.6
21
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2514.1-2530.1
2530.1-2532.9
2532. 9=2535.3
2535.3-2544.9
2544,9-2549.6
2549.6-2561 .3
2561.3-2564.6
2564.6-2569.0
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, medium-olive-brown, even with trace contorted and streaked bedding, competent; abundant dark-brown to black asphaltic tuff streaks, stringers, and blebs; a 0.1 foot band of medium-gray shale at 2527.5; sharp contact
Oi] shale and tuff interbedded. 0i1 shale, light- to medium- olive-brown, contorted bedding, competent; tuff, dark-brown to black, asphaltic, hard, coarsely granular; few scattered greenish-gray pyritic tuff streaks and blebs; sharp contact; WAVY TUFF BED AT 2530.1
Oil shale, medium-olive-brown, even with trace contorted bedding, competent; few scattered dark-brown to black asphaltic tuff streaks, stringers, and blebs, a 0.3 foot band at 2534.6; trace greenish-gray pyritic tuff streaks and blebs; trace light-olive-brown to buff oi]-shale Streaks and stringers
Oil shale, medium- to dark-olive-brown, even with trace Streaked bedding, competent; few scattered dark-brown asphaltic tuff streaks, stringers, and blebs; trace greenish-gray pyritic tuff streaks and blebs; numerous dark-olive-brown oi]l-shale streaks and stringers with a 0.3 foot band at 2540.0; gradational contact
Oil shale, light- to medium-olive-brown, evenly bedded, competent; numerous dark-brown asphaltic tuff streaks and blebs; numerous greenish-gray pyritic tuff streaks and blebs; gradational contact
Oil shale, medium-olive-brown, even with trace contorted bedding, competent; numerous dark-brown to black asphaltic tuff streaks, stringers, and blebs; a 5.5 foot solution fracture zone well-cemented with asphaltic resin from 2553.9 to 2559.4; gradational contact
Oil shale, medium- to dark-olive-brown, even bedding, competent; trace dark-brown to black asphaltic tuff streaks and blebs; a 0.7 foot band of light- to medium-olive-brown oil shale at 2563.9; sharp contact
Oil shale, dark-olive-brown to black, even, contorted, streaked and inclined bedding, competent; trace greenish- gray pyritic tuff streaks and blebs; few scattered light- to medium-olive-brown oil-shale streaks and stringers; fairly low density; sharp contact
22
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2577.9-2581.3
2581.3-2582.8
2582.8-2584.1
2984.1-2595.5
2595.5-2597.9
CORE LITHOLOGY USGS RED WASH #1--continued
Description
0i1 shale, light- to medium-olive-brown, even with trace contorted bedding, competent; numerous dark-brown to black asphaltic tuff streaks, stringers, and blebs; few scattered greenish-gray pyritic tuff streaks, stringers, and blebs; few scattered medium- to dark-olive-brown oil-shale streaks and stringers with 0.3 foot bands at 2570.2 and 2571.6; numerous white to buff marlstone streaks and stringers
011 shale, medium- to dark-olive-brown, even and massive bedding, competent; few scattered dark-brown asphaltic tuff Streaks and blebs; trace greenish-gray pyritic tuff streaks and stringers; few scattered dark-olive-brown to black oil- shale streaks and stringers with a 0.3 foot band at 2578.2
0i1 shale, light-olive-brown to buff, even bedding, very competent; few scattered greenish-gray pyritic tuff streaks and stringers; trace dark-brown asphaltic tuff streaks and blebs; few scattered marlstone streaks and stringers; sharp contact
O11 shale, dark-olive-brown to black, even with trace contorted bedding, competent; trace greenish-gray pyritic tuff streaks; trace dark-brown asphaltic tuff streaks and blebs; a 0.05 foot stringer of light-gray to light-brown Lot t4 at; 2583.2
Oi] shale, marly; light-olive-brown to buff to light-gray- brown, even with trace contorted and irregular bedding, competent; few scattered greenish-gray pyritic tuff streaks; abundant dark-brown to black, bleeding asphaltic tuff streaks, stringers, and blebs, with a 0.1 foot band at 2584.2 and a 0.2 foot band at 2589.7 and a 0.05 foot stringer at 2591.0; numerous white to buff marlstone streaks and stringers with a 0.2 foot band at 2591.8; a 0.9 foot band of medium- to dark-brown crystalline nahcolite at 2592.5 and 0.1 foot vugs at 2591.7 and 2592.3; TOP “A" GROOVE at 2586.0 feet
Marlstone, light-gray to light-brownish-gray, even bedding,
competent; numerous dark-brown asphalt streaks and stringers; gradational contact
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2597.9-2600.2
2600. 2-2604.6
2604.6-2608.2
2608.2-2609.9
2609.9-2616.1
2616.1-2620.8
2620.8-2632.8
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oi] shale, marly; light-olive-brown to buff to light-gray- brown, even, massive and streaked bedding, competent; few scattered dark-brown to black asphaltic tuff streaks and blebs; numerous dark-brown asphalt streaks and blebs; trace greenish-gray, pyritic tuff streaks and stringers; a 0.1 foot pod of dark-brown nahcolite with bladed and radial Structure at 2600.3; few scattered light- to medium-brown tuff streaks and stringers; numerous light-olive-brown to gray marlstone streaks and stringers; sharp contact
Oil shale and nahcolite. Oi] shale, medium-brown, even bedding, competent; nahcolite, medium- to dark-brown, very competent; prominent bladed and radial structure; TOP OF MAHOGANY OIL-SHALE ZONE at 2600.4
Oi1 shale, marly; light-olive-brown to buff, irregular, inclined and contorted bedding, competent; few scattered greenish-gray pyritic tuff streaks and blebs; trace dark- brown to black asphaltic tuff streaks and blebs; trace gilsonite streaks; trace asphalt streaks; few scattered medium-olive-brown oil-shale streaks and stringers
Marlstone and tuff interbedded. Marlistone, light-gray and brown to buff, contorted bedding, competent; trace kerogen; tuff, dark-brown to black, contorted bedding, bleeding asphalt; numerous medium-olive-brown oil-shale streaks and stringers; few scattered greenish-gray pyritic tuff streaks and stringers; sharp contact
Oil shale, medium- to dark-olive-brown, contorted with irregular and wavy bedding, competent; abundant greenish- gray pyritic tuff streaks, stringers, and blebs with a 0.1 foot band at 2610.0; abundant dark-brown to black bleeding asphaltic tuff streaks, stringers, and blebs, with 0.1 foot bands at 2610.5, 2615.4 and 2615.6; sharp contact
Oi] shale, light- to medium-olive-brown, even with trace contorted bedding, competent; numerous medium- to dark- brown asphaltic tuff streaks, stringers, and blebs; trace greenish-gray pyritic tuff streaks and blebs; few scattered light-brown to buff maristone streaks and stringers; few scattered medium-olive-brown oil-shale streaks and Stringers
O11 shale, light-olive-brown to buff to light-gray-brown, marly, even with trace contorted bedding, competent; few scattered brown asphaltic tuff streaks and stringers; few scattered greenish-gray pyritic tuff streaks and stringers, and a 0.3 foot band at 2627.5; numerous buff to light-gray marlstone streaks and stringers; sharp contact
24
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, Lg : : 2 - ; » . iy | Ae ih 4 i 7 7 or ; “ stent 0 the ¢ woos v4 o-? ba ae ahe (1D 8 8§=6—6@ SkARKB OSA ey JADED 99679 | ae Pees e, ne ee ae i eee oe ai a Oa ae
ia
i r0 6.0has~! eras
<tword-\stp=d wo? ; Fredaqmos | st sober ones Vn /
of
Feet
2632.8-2634.6
2634.6-2636.8
2636. 8-2639.3
2639.3-2654.2
2654.2-2660.4
2660.4-2669.6
2669.6-2672.9
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, dark-mahogany-brown to black, even with streaked and looped bedding, competent; few scattered greenish-gray pyritic streaks and blebs; few scattered medium- to dark- brown asphaltic tuff streaks and blebs; trace light- to medium-olive-brown oil-shale streaks and stringers; gradational contact
Oi] shale, medium-olive-brown, even with trace contorted bedding, very competent; trace greenish-gray pyritic tuff streaks and blebs; few scattered dark-brown asphaltic tuff Streaks and stringers; gradational contact
0i1 shale, light- to medium-olive-brown, even with contorted bedding, competent; few scattered medium- to dark-brown asphaltic tuff streaks and stringers; few scattered buff to light-gray marlstone streaks and stringers; sharp contact
Oi1 shale, very dark-mahogany-brown, even and contorted with trace streaked and looped bedding, competent; abundant medium- to dark-brown asphaltic tuff streaks, stringers, and blebs; few scattered greenish-gray pyritic tuff streaks and blebs; numerous light- to medium-olive-brown oil-shale Streaks and stringers, predominantly in the zone of contorted bedding from 2645.2 to 2648.0; sharp contact
Oil shale, light- to medium-olive-brown, even with contorted and trace streaked bedding, competent; few scattered dark- brown to biack asphaltic tuff streaks and blebs; trace greenish-gray to black pyritic tuff streaks; a 0.7 foot band of very dark-mahogany-brown to black oi! shale at 2656.9; sharp contact
Oil shale, medium- to dark-mahogany-brown; even, streaked looped and irregular bedding, competent; abundant greenish- gray pyritic tuff streaks and blebs, and a 0.1 foot band at 2662.7; few scattered dark-brown asphaltic tuff streaks and blebs; a 0.6 foot bed of very dark-mahogany-brown oil shale at 2660.9; numerous dark- to very dark mahogany brown oil- shale streaks and stringers; sharp contact
0i1 shale, light- to medium-olive-brown, even with streaked and contorted bedding, competent; few scattered dark-brown asphaltic tuff streaks; trace greenish-gray pyritic tuff streaks; sharp contact
25
at sword- cingitam- ine. ate 4
y ery bas 2 wel -tnetaqmes epntnbed: henoo! bre ‘ on parsyisse. wel”; 260%e bos ciseite ofsiaya: fy t ’ 16 2abarse. Thus sta enges mari
i> hna S rap siuhectie nwiinds oui? [Oem t: ‘ ’ tA Qaly | faxtmon fenohiebate — aes
8.362
. . 1 a seve . (ierdeaw t (O—me? bad .o fete re. : tod tt bawa Ve eth sont ~taerveoneo its 00 TBbed
ae noe wot ..odeld Ons gaeetwte. + ; _ i s aaa 7 J ) £5a 1h +2 abt Ive png SAGs « : aa x ‘ 4 ; ™ -? i | Lhy nave unondcoy! to-muthem qd sinptt sofas 10 fe | yt » pesofteae wet ;anedsemon ,patbbed > at , 2 » bogs 2téetee P1ad OFS ergss ' z * pint 7 198 . 2 ehodziasm yave-tdet! os ot r © AR if} t Tey ic * : J evie 4 Tee ¥ a » fi 2 £70 $.4¢ : ; ——. «. «a a Aca st thoad beaded bas Dekests2 8967. b ~* 2s : et i * P t28 rai an é. i @ hy o2 «tm Tb4 ffl . \ s - e'* ‘ e 7 : I wats g bevessbae wt yedeld ban Ss a ¢ Oy ; : 7 i= L evo wr ys gos i Cc bn & j ‘ awk 5 ‘7 mi ': fin if «|< ig , 2 POE ni 1st bre 2b ag , Kade +0 AC oF Sees wmovT ontbbed becsofne? ' sil elite dice ‘ epinh F Turis ae \ NARAccS » T° ' ‘ ) ww ‘ , iw 1G S\ s* ay) ‘pear OU ~~ “7 = ier f @ VP "a oa * i , * hee A S : i » *%e ™ ~® - ho #4 fr ic rist sad p< S4k9 "S52 east . 6 aiiep bovesied2 wet pinetagmes. . Ys | a » -edeld bas edsoure *¥u2 sfaleNqes Aps1e OF Pun” e a we ’ , . _ : ~- or vi ; ; loo? 1.0 8 2Om ayia Try DSrTs TR), i56fd 02 Ys’ outlet By G ) - ’» 4 | > riede Pro son’ c ao AWO TU =KNGEOH HM ATED “Voy TO brie
F \ . Yostaos qraite of .2C¢
; ¥ ; of 7 A r —f »* ~_ t ' : aa ha lnc 4% fy sy ar “i! ~e ee ait ) eh c of ~ Fd) 7 F bye m" 4 KS i “fT , c Sagsat 08 YI
afizinesve drabauds - one tsq°02 PNTRoRS 36 upenrat Ss Haqoo! : ts bnsd 2007 Df 6 bee , ecard brs coer? TMs SIPTVe ine ee ; bas evsorta Wey oft? priqzs hwortd=srwh betetspse WET 2h 50> | alere {to Awo1d-yngQonsm 760 vey Po bad 200) df & oe : 2 -fto aword yaéporem 2165 yoe¥ oF +NT6D eworreaihi s8.00c) Jf ; fnainoo qvede .esvspniise ONG Baste’ S185
5 ‘9 i a « . ar besiseiste ditw neve nwordesv PLommt fost 2 «gd tt shen pti St2S-
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©
Feet
2672.9-2674.8
2674.8-26/79.8
2679.8-2681.4
2681.4-2683.6
2683.6-2689.0
2689.0-2695.5
2695.5-2698.5
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, dark-mahogany-brown; contorted, streaked, looped, and irregular bedding, competent; few greenish-gray pyritic tuff streaks and stringers; numerous dark-brown to black asphaltic tuff streaks and blebs; few scattered medium- olive-brown oil-shale streaks and stringers
Oi] shale, light- to medium-olive-brown, evenly bedded, competent; few scattered greenish-gray pyritic tuff Streaks, stringers, and blebs; few scattered dark-brown to black asphaltic tuff streaks and blebs, and a 0.1 foot band at 2673.5; moderately low density; sharp contact
Oil] shale, medium-olive-brown, massive with streaked bedding, competent; abundant green to gray pyritic tuff streaks; trace asphalt streaks; trace dark-brown asphaltic tuff Streaks; sharp contact
Nahcolite with oil shale. Nahcolite, clear to light-brown to dark-brown, coarsely crystalline, very hard with bladed and radial structure; oi! shale, medium- to dark-mahogany- brown, massive bedding broken up by nahcolite, competent, very calcareous, very coehesive
0i1 shale, medium- to dark-mahogany-brown, inclined, contorted, streaked and looped bedding, very competent; numerous green to gray to black pyritic tuff streaks and blebs; few scattered dark-brown to black asphaitic tuff streaks and stringers; trace dark-brown asphalt streaks; gradational contact
Oil shale, light- to medium-olive-brown, even with trace contorted and streaked bedding, competent; few scattered dark-brown to black asphaltic tuff streaks and blebs, 0.1 foot pod at 2694.5; trace green to gray pyritic tuff streaks and blebs; numerous buff to light-gray marlstone Streaks and stringers; trace asphalt streaks; sharp contact
01] shale, medium- to dark-mahogany-brown, even, streaked, contorted and looped bedding, competent; few scattered dark-brown to black bleeding asphaltic tuff streaks and blebs, 0.1 foot pod at 2696.3 and 0.1 foot pod at 2696.6; trace green to gray pyritic tuff streaks; few scattered light- to medium-brown tuff blebs and streaks; gradational contact
26
| ae on rate
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ssepntrt: bas axbente efadesTto awe id-an FT ~
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2 | vi otitoyg vpteedetnsenp dovectape wa? sone) SMG cs id~ 29 B (istisp2 wet jeteld one ~2repningte anes ; . ; Y {40°8 DAR infd tae edgette 3 hy? ot ef auiges sogtd a oe II6INOD Ws -votenes wol yiadevsbon -2.20aS Sh $ i
; , ,
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a Je Thus ost yop 6F fests Insoauds + Insdeqnos ‘ U? SF Ji Shg2e nwoqdadn soe13 , canada Berges soart a J>EIN0S Gene s2d60%72 - : a
id» tdpt?! of adefo ~asifeodet .slede fhovdtsiw soi footsh 6 ; ‘Jiw Oe" yYIRV ,! wisave ‘32 (' 92700. , AWO O59 +
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inga, Fenoticbsrp
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s2673 Ottw nove ,nwordsgyilo-mutbam of =Jiptt gat eit ro 2. 2R9S-0,08% ‘amd a. nitbs 4 he ig itz bn beIrOsFno0o ae
isaite stilarqes 198/602 mwordadtreb an
VG ¥61e9 OF masig sdend +2. 8085 ts bog joo?
tzinem ysip-ifigtl of Tlud gue vemun ;« adefd bns exeeite
fasinos qiene yekesrse Ilsriges sa61F ;2199ntase Ba eaaonge
Dsssott2 ,N9ve ,Nword-yNspodemeAIgh OF amy tbe elede Tho > beredtas2 wat rineJoqmos .pnthbed beqoot bie be O32 i bas edeand2 Vws attfenqes pnideetd Aostd od mwOadesreb ' 13.G8a$ 6 boq goo? 1,0 OAS £.388S ts boq ‘Joo? = Meld be igITEs2e wet sedserse Yiu atDhYG vee os see peated, i i leno! Mawase i 2agsnde bre daha tus nwand~ ow tbe a ¢ | OF = tigt |
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t
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CORE LITHOLOGY USGS RED WASH #1--continued
Feet Description
2698.5-2704.6 Oil shale, light-olive-brown to light-gray-brown, marly, even and massive with trace contorted and streaked bedding, competent; abundant light-grayish brown marlstone streaks and 0.1 foot band at 2700.2 and 0.2 foot band at 2700.4; numerous greenish-gray to black pyritic tuff streaks, Stringers, and blebs, 0.1 foot pod at 2699.2; trace dark- brown asphaltic tuff streaks and blebs; numerous light- to medium-olive-brown oil-shale streaks and stringers; few scattered medium- to dark-mahogany-brown oil-shale streaks and stringers, 0.2 foot band at 2702.4 and 0.2 foot band at 2703.7; trace gilsonite streaks; sharp contact
2704.6-2707.8 Marlstone, light-gray to light-grayish-brown, massive and Streaked bedding, competent; trace kerogen; few scattered green to gray pyritic tuff stringers, streaks, and blebs; trace medium- to dark-brown asphaltic tuff streaks, Stringers, and blebs and 0.1 foot zone of dark-brown Stringers at 2705.1; few scattered light-olive-brown oil- shale streaks and stringers; sharp contact
2707.8-2710.5 Oi] shale, medium-olive-brown to medium-gray-brown, streaked and contorted with trace even bedding, competent; 0.4 foot band of brown to gray asphaltic tuff with black asphalt filled pores at 2710.0; few scattered green to gray pyritic tuff streaks and blebs; few scattered dark-brown asphaltic tuff streaks, stringers, and blebs and 0.1 foot bands at 2709.8 and 2710.0; trace asphalt streaks; sharp contact
2710.5-2711.8 011 shale, medium- to dark-mahogany-brown, even with trace streaked and irregular bedding, very competent; trace greenish-gray pyritic tuff streaks; few scattered light- to medium-olive-brown oil-shale streaks and stringers; sharp contact
£/44.0-2/18.1 Oi] shale, light-olive-brown, streaked and looped with trace even bedding, competent; numerous green to gray pyritic tuff stringers, streaks, and blebs; few scattered dark- brown to black asphaltic tuff streaks and blebs; trace white to buff argillaceous tuff streaks and stringers; Sharp contact
27 1le.i-2) 20.7 Oil shale, medium- to dark-olive-brown to gray-brown, even and streaked with trace contorted bedding, competent; few scattered very dark- mahogany- brown to black oil-shale streaks, stringers and 0.6 foot band at 2718.1; few scattered dark-brown asphaltic tuff streaks and blebs; trace greenish-gray pyritic tuff streaks and blebs; sharp contact
ed
o Sree’ i ’ ; or iis = a 7 Havsi, ¥! tem two td ~Ve t ah potsosngs. 39 os a ae
ren ibhec. basseide Dig be at > SERIS OITe. yee
. 2sse%se. sontelram Awowd s ie y ane 02 7h, OOUS 3a ted: Joo? ie 3.00 ‘ th bed #9 py £0 bi
peuaeide Yat otter aoiatad os" ween" -wreb 42844 28,0008 26: log fast fy oe isid IAS’ |
ot -dilo?! ewrsoun sedgte bie ainsi hud ott we? Ceseerenrt hing gapeave Sate=fe nab ziews2 ofsda~lio owood-giepinem dash) oF 4 $6 vied foc? $1.6 bre >. SONS oe base Bao? jowtnod mere :sieevie stings tps:
bas avittem ,oworrd-de tye toeadot T ee ba1s7 98-2 we? snsgoveds sopa? oF r d bevgerte ¢ bag ailleerte etapoinge Yiat att OF N9a7%Q% edgaita Wut otefsiaas. a neOtde M6 OF <murbom epest wd web Yc anos Boot £.9 bre bie ,2teprisdse | rae
‘te nwowkavito-dipl!. berebigoe wat : fh mapninie ae Spatnon ovsta ; Rae bas eanergse ofan : ;
bevsevt2 ,nwodsvtro-mitbom oF awoidesovt joo? 1,0 ;Saegaymoy ,petboed «evs sony dare BE tlonges dontd Atty Whur ohetedges ° Nok ee 3 sittwq yer? 63 peeap berer2ase WaT 7 O00 Ststiade2s tmOtded bess 7508 wi : aun Sak t% ebned Sao? 1.0 ben ead Ons -2vegnhage 336INOD nine ,evseerse Ifetges ssi19 ¢0.0%
4357) itt neve , nwitd-ynepatsmjreb oF -muiham4 g209) ;Fnedeqros yvev ,onlbbed sefypettt |
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CORE LITHOLOGY USGS RED WASH #1--continued
Feet Description
2720.7-2727.7 Oi] shale, light- to medium-olive-brown to grayish-brown, marly, streaked, looped, and contorted with trace even bedding, competent; few scattered medium-olive-brown oil- shale streaks and stringers and 0.6 foot band at 2726.6; numerous white to light-grayish-brown marlstone streaks, Stringers, and blebs and 0.6 foot band at 2723.2, 0.3 foot Dandedtec/ 24-5200.) footebands at 2/22.8, 2722.9, 2723.9 and 2726.5; few scattered dark-brown asphaltic tuff streaks and stringers, some with white calcite(?) centers; few scattered green to gray pyritic tuff streaks and stringers; 0.3 foot solution fracture, sealed with asphalt at 2725.0; Sharp contact
Pi csiel=21o3~D 0i1 shale, medium- to dark-mahogany-brown, contorted, streaked and even bedding, competent; numerous medium- to dark-brown to black asphaltic tuff streaks, stringers, and blebs and 0.6 foot band at 2727.8, 0.8 foot band at 2729.1, 0.1 foot band at 2728.6, 2729.0, and 2732.4; few scattered green to gray pyritic tuff streaks, stringers, and blebs; gradational contact
2733.5-2760.6 Oi] shale, very light olive brown to light-gray-brown, marly, even with massive, streaked and trace contorted bedding, competent; numerous greenish-gray pyritic tuff streaks, Stringers, and blebs; numerous medium- to dark-brown asphaltic tuff streaks, stringers, and blebs and 0.1 foot bands at 2734.6 and 2738.6; few scattered light- to medium- brown pin-point nahcolite streaks and stringers and 0.1 foot zones at 2741.1, 2743.9 and 2744.7; numerous light- gray to light-grayish-brown marlstone streaks and stringers and 1.1 foot bed at 2756.1, 0.3 foot bands at 2754.3, 2734.9, 2744.1, 2744.8, and 2748.0, 0.2 foot bands at 2739.0, 2742.8, and 2748.4, 0.1 foot bands at 2735.2, PAGS. PT 2ESE. 25 2ISCtObl 275726 902749. Per 274903, 02747 385 2745.3, and 2745.5; 1.2 foot zone of abundant green to gray pyritic tuff streaks, stringers, and blebs at 2751.5; 0.4 foot bands of marlstone at 2756.9 and 2758.4; sharp contact
2760.6-2774.8 Marilstone, very light-brown to light-gray, massive with streaked, looped and contorted bedding, competent; trace kerogen; numerous greenish-gray to black pyritic tuff streaks, stringers, and blebs, and 0.2 foot band at 2774.0; 0.2 foot band of medium-gray to brown tuff at 2762.1; gradational contact
28
~t
| er
| i ~anierk ir ze THe
Ld ™ & Pwo FG (i VSte we) digas : Toumutan e aaaeiae ve ti i : vee 5 al 4 *% j eG’ yt! | rie “nave Boe7F EeW ewes 2 wee deocomes i: oo!" i = . we a Be aly reg 4% & * he 22 w* oy 4 ‘ d 4 a stare
* = > r Ooi + ol . , S q “140 BNO “bmco Jo” 3.0 bee erepelsse be’ 2igense a aS ‘ 36 Tia? w/t o wh ,
2 a = : iigt! ot atti eiesma ey f ; J= RST YSIP INET! - GO. #4 pra ; > ’ - a » wattafaA EAB: ef4% aor : “ ; oF 3.0 bas edetd & ae ’ ‘ r . ' é - - . a bh 5 * awahy Fe 7 4! 7 ’ 7 ae i , ell sO 67a VS v ag t . > + i nM - ~ a ae SAS = *s - ’ be te-3 Wat | sBurts wt y . % r - i] 5, ¢ . : sh? CTE eH, DS Fare bab: | e*845 ; , =) ‘ ittw amo PeSOn | Je aoe bo - ’ : 7 * , : : an : i> p hay A eats 72 ' 4} : ves at ? | ov , ; ° ~~ t ‘a SOT Te Ok” sass Klas - Chuteee) wbinloe: Joor t.0 .. ; ir a a ‘ e 5 my] Bi $5705 q76he fir ‘ i «mi fhem ,o/¢ Vie , y . o ¥ >.> vi j \ 55 Sra My : ee “AY 7 ~— : | ‘ned Qt Mword—AIRb ett wc wh ‘ ‘ 7 - rf b aie fs BANG Joo* J, 1 ; ; sa of "te . + : J ‘ + = aS . i ~ 4 ¢ mare ~ ib 7 b 7 i “SY S) ite ‘6 c~ _ 3 ‘ ‘ t+ w rovsc « b '] c- ' Pe : : ; . ‘ a ie on Siu ShaseGih F { ; al j 4 ane nirae ; , : ’ a - - + 174 ' » 6o7 PY?) AF Seve ERT 9 oat) ‘i Mer 2 4 fe ” Re G bt & yo i TE ¢ c : ; 7 i Ie ak: A tr) | zipe 90-48 Masian. JRO | : aa cee LATS Sh Rees S09 « '? ¥ ri - fA , i - ten al 6 IPTV 1Od ty , ~*~ a"}4) - =, = te . S 4 - 29° “< iat iL. 2 7 ' > ’ » 440 : ee ‘ sR ' ' ITS B-8\, 1 ORs me am ee ‘D.8b0S bas -RLSARS SO,BbKS | i a , t& at “= - «* - : we + ms ; z in Sia nv oacte { BATS sie y ‘ Pe ¢ =e { re > al oA Fi Pid ! = a a a . i ; Oo. 1ovS i> Wee ve iO @arna ‘ = mk? > e\PES ky 5 > amos foot S.f 2ayeeNe DAB 46s6P 3 Vg MeOtNGS Th amos PONT | ‘3? PGF arsine 7 an : ssa04 52 Ws 25st" a rg POs 'C ORG. .2 a Ht pte i @ he 2007 , “ef 7 Ag hs ee TT snaize | B34) ‘0 a a “ . at a Mo iy P,ucio vv ‘ tr.4 itl . _ F = 3 o> F ‘« 4 a ‘) o1d«tipel oF nwo wd-rar! a8 5 2.2 sy feo" “ari eae nat mel bes103N0>. DNs Hegeg al: 9067); Insteqnea. .pathh 3p ‘vosaman 7S r ’ % “ “wr | “4 } $ 63 ve v D- net ne ’ ¥ 4 é °S i ” Fue wy : a fd noe 2 apntys oe H.OtTS #6 boned Bae 5.0 tne 2094 + ts to brid eyeeN' oat fe FEye He WONG 03 YeTO<mutivam. G\ J s4aU2
Feet
2774.8-2779.8
2779.8-2809.9
2809.9-2813.2
2813.2-2817.6
2817.6-2820.1
2820.1-2825.1
2825.1-2828.5
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale, very light-brown to buff, marly, even with trace streaked and off-set bedding, poorly competent; abundant Shaly partings throughout unit; few scattered greenish-gray pyritic tuff streaks and stringers; 0.2 foot band of light- olive-brown oi] shale at 2779.2, 0.3 foot band at 2779.5; Sharp contact
Marlstone, light-gray to light-brownish-gray, massive with even, streaked, and trace contorted bedding, fairly competent; abundant asphalt streaks, 7.0 foot zone at 2781.0, 0.4 foot zone at 2794.0, and 2.0 foot zone at 2795.8; few scattered green to gray pyritic tuff streaks, Stringers, and blebs; gradational contact
0i1 shale, light-brown to light-grayish-brown, marly, even and massive with trace streaked bedding, competent; abundant light- to dark-brown asphaltic tuff streaks, Stringers, and blebs; trace green to gray pyritic tuff streaks; few scattered light-gray to light-grayish-brown marlstone streaks and stringers; sharp contact
Oil shale, medium- to dark-olive-brown, contorted and Streaked with looped and irregular bedding, very competent; 1.0 foot bed of dark-brown nahcolite with bladed and radial Structure at 2816.4, 0.3 foot band at 2814.9; few scattered greenish-gray pyritic tuff streaks and blebs; 0.2 foot zone of white and black speckled nahcolite with capillary-type structure; few scattered dark-brown asphaltic tuff streaks and blebs; sharp contact
Oi] shale, light- to medium-olive-brown, even with streaked and trace contorted bedding, competent; abundant greenish- gray pyritic tuff streaks, stringers, and blebs; 0.1 foot band of buff to light-brown blebs of marlstone with pyritic tuff streaks and shale; sharp contact
Oil shale, medium- to dark-olive-brown, streaked with inclined and trace looped and contorted bedding, competent; 0.3 foot band of dark-brown nahcolite with bladed and radial structure at 2822.9 and 0.2 foot band at 2823.5; Sharp contact
Maristone, light-gray to light-brownish-gray, streaked with inclined and contorted bedding, competent; trace kerogen; few scattered light-olive-brown oil-shale streaks and stringers; few scattered dark-brown bleeding asphaltic tuff streaks and blebs; 0.4 foot zone of medium-brown nahcolite and greenish-gray pyritic tuff stringers at 2825.4 and 0.1 foot zone at 2826.5; sharp contact
29
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ri dx $ shi psrig WwoWt-5 vessjsene wet juts. JosdHOs Grane padeta bie | mya herss itiw nave yid-avilo-.nerhem og cnt patarte fro ae af ehne tRayeud: feonmon pnribac oot edna apes on6 cot 1,4 adele bis ,2ranninte (edeente Fae apnea nD 3 itlw enéde fren to 2d60¢d owoid.dep OF OP Pieeae ‘Baed . tostags grste ‘gtes bs edesnte us
siw Delleente , nwerduertl[o-s7ab of <00F Si a rt
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CORE LITHOLOGY USGS RED WASH #1--continued
Feet Description
2828. 5-2830.6 Oil shale, light- to medium-olive-brown, streaked with trace contorted bedding, competent; few scattered green to gray pyritic tuff streaks, stringers, and blebs; few scattered medium- to dark-olive brown oil-shale streaks and stringers; sharp contact
2830.6-2839.1 O11 shale, light- to medium-olive-brown to grayish-brown, marly, evenly bedded with contorted, streaked, and inclined bedding, competent; numerous light-grayish-brown to dark- brown nahcolite streaks, stringers, and blebs and 0.4 foot band of coarsely crystalline nahcolite with bladed and radial structure at 2833.5, 0.1 foot band at 2834.0, 0.1 foot pod at 2834.2; 0.1 foot band of light-grayish-brown tuff with disseminated nahcolite and green to gray pyritic Streaks at 2835.1 and 2837.0; numerous green to gray pyritic tuff streaks, stringers, and blebs and 0.1 foot band at 2832.2; 0.3 foot band of light- to medium-brown to greenish-brown argillaceous tuff at 2835.7; 0.9 foot light- gray to light-grayish-brown marlstone band with trace kerogen at 2837.1; trace asphalt streaks; sharp contact
2839.1-2842.1 0il shale, medium- to dark-olive-brown to grayish brown, contorted and even bedding, competent; few scattered green to gray pyritic tuff streaks, stringers, and blebs and 0.1 foot pod at 2841.3; few scattered dark-brown asphaltic streaks and stringers, and 0.1 foot band at 2840.7 and 2841.9; trace light-olive-brown to buff oil-shale streaks and stringers; sharp contact
2842.1-2847.7 Oil shale, light- to medium-olive-brown to grayish brown, marly, even with streaked, off-set, massive and contorted bedding, fairly competent; few scattered very light-brown to gray marlstone streaks and stringers and 0.1 foot bands at 2843.4 and 2847.3, 0.2 foot band at 2847.0; numerous green to gray pyritic tuff streaks, stringers and blebs; few scattered dark-brown to black bleeding asphaltic tuff streaks and blebs; trace asphalt streaks; gradational] contact
2847.7-2851.8 011 shale, medium- to dark-olive-brown, streaked with looped and contorted bedding, competent; numerous green to gray pyritic tuff streaks, stringers and blebs and 0.6 foot zone of pyritic streaks and stringers interbedded with marlstone; few scattered very light brown to light-gray marlstone streaks and stringers; sharp contact
30
+ Lo > aM
we wise
: he : ba e. t : _ os
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syerd natw dex o17& ienrdesu foun juihamn oF igaert a sie 0 ‘ep o2 ngewe be isihese we ee senivbed bedwos O% baxesias2@ wh? :ecsd sd One , eteporise 4 degnty Thus tS
b Mi 2. "7 TP hi 1). I P& WWO Wd). se vitae aD a3 «wut bath. tutnes gana. eeneueries
AAetystp ¢ wordesy } Lom! Seam os jaaet ores r0 -
: psn ; f re ST i ofiw vebbsd ¥y rERSYD ov T8eh -4 ~ ~ oO amen . $neteqgmos ante pad ; ; : 2 d 3 p ,295ente soileamen mwoyd 7 bald. ary Oatign anritetevid yViszed Yo hed > 4€5 . 0 th. wtoutte [othe {ery ~orig 149d too? £.0 >$.8€88 76 Bog Jour io vwetcotempaeth Aotw tus / v4. 2. CEGS 36 2Ateive pa792 WTu2 nq é it + £8.25, S888 Js bis : | hors) pwotdes ; - ne i? in. SAH TT ¢ G’ { TEAC ee Oo 7 oS «fi at ‘G I, j agya han betrogno: 3 Ae) ’ STs vit ae 40" ; [ees te 4 or ¢ [\ae YAS .< Ly ; ' , ; fi t mol} SSerg oP Tag 1gh2 '299GRIA = 5 : ‘ Aeiyent we <u them of «Japty weterte fi... A roasts 31 a4 4s2.13% , ba sdente. ttiw fovea eyryem - y 4 ; 7 ‘aqua yitet Jentbed ; 2 ) eweerie oO F2:1 VED 07 7 uereeun =f, TOF brad toot Get T2e5 wine bbe iS 35 i f rigewcte TT 2h gg KBD, on msip.-
‘efqen Patheald doard of nwetcee ep batesisoe. wer shew ;adaorte JTadoan. soetd cadetd ‘bine, aiisgs3 2 ABBINOD 5
bacoo! riitw besdgetts .mwotdesy {oases of oie? ‘e “5 ot neete guonvemun <inegeqnns .parShed Deaw snes 3007 4.0 bog atietad hans araparrse 246973e ee aa ‘ on ‘zh habbetiedat esspringe be. 2 elguiga oty hee ‘has ae yop INDTT OF Mwénd Sigil. yrey bet9I7G5R Wet say cee an a BYNES arene alte ie a eHtente ahd a : ol res ig
’
fais stay o> brs a
ie
ra =
‘ J
r a4 3 \
Feet
2851.8-2857.4
2857.4-2860.1
2860.1-2863.6
2863.6-2873.8
2873.8-2878.2
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Oil shale and marlstone interbedded. Oil] shale, light- to
medium-olive-brown to grayish brown, even with streaked and contorted bedding, fairly competent; few scattered medium- to dark-olive-brown oil-shale streaks and stringers and 0.4 foot band at 2854.1, 0.1 foot band at 2856.6; marlstone, light- to medium-gray to brownish gray, massive bedding, competent; trace kerogen; few scattered medium- to dark- brown asphaltic tuff streaks and blebs and 0.1 foot band at 2559.2. Snare contact
Oil] shale, dark-olive brown, streaked with contorted and
trace looped bedding, competent; few scattered greenish- gray pyritic tuff streaks and blebs; 0.1 foot band of light- to medium-gray fine-grained tuff at 2858.7; few scattered medium- to dark-brown asphaltic tuff streaks and blebs and 0.3 foot band at 2858.9; trace asphalt streaks; sharp contact
Oil shale, light-olive-brown to light- to medium-gray-brown,
marly, even with massive and trace contorted bedding, fairly competent; numerous green to gray pyritic tuff Streaks and stringers; 0.3 foot band of medium- to dark- brown oi] shale at 2862.8; 1.2 foot solution fracture at 2861.2 sealed with asphalt and white kaolinite(?); sharp contact
0i1 shale, medium- to dark-olive-brown to medium-grayish-
brown, streaked and irregular with contorted and even bedding, competent; 0.3 foot zone of medium- to dark-brown asphaltic tuff streaks and stringers at 2863.9, 0.4 foot band at 2864.4; numerous green to gray pyritic tuff Streaks, stringers, and blebs and 0.1 foot pod at 2871.6; few scattered very light-olive-brown to buff oil-shale streaks and stringers and 0.9 foot bed at 2870.4; sharp contact
Oil shale, marly; very light-olive-brown to light-grayish
brown, even and massive with trace streaked bedding, competent; marly from 2874.8 to 2875.8; trace greenish-gray pyritic streaks and stringers; 0.1 foot band of light- grayish-brown tuff at 2875.1; sharp contact
34
- 2 i aad o - F : Doeate =a baal abe . n ~*~ ae cla , ic so nee 0} -3ngt! ~olete FH susisegnesog S00 sé © ste 1t0 pas Sovegnde ftw neve awd careers es | mera 7 amar wratisoe wet irreregmns yintet: path ine a ~ $5 jpnivte bas ateerge of ewe- lio rs36- 047 Loca, OR i? snote trim ;vG28S Je Bosd Joo 0 pheRRES 25 aad Jone a spi ooed eyiaeam vee feinwewd of anaes o3 See | eas : b Cd sy bee peTeIEDe 4a) CnsgOre epeas Lo negegmeD 8). t soot, I, sio ove edoerg2 Tut otplengeb nwong, 9 ; yaIMOD Ged 2S. 8288 a : ere 2 mie wifos syst ~shade: TO. > 7 5! St ;dnsreqmho .enibhed beqgpol sasts — ; ) bd. Se rom -edeid ore serge TryP STF yer 5 we tts ‘Sf VE"D- ou tigen os ~Iiptt - ’ Fiud- ottletees awend. deb of —theM beiettsaz ev 7 i ; ‘ tert ‘ney Esch bne esl -_ / Ce ea nwo b-mutibsy ot --¢intl ot owoncwevt heosteh? wéelede. Fro ays ; he . on hf) tes Pe AasTw peys én 9 come tt 3 21/0 1 .Sneiéends yi te fo besa 7507 prince DAB. 2¥e977 » Se eledte [7D nactd ‘f Shr enqes Hvtw Baréea S$. 58S d SOS PRO: vt amy than d~art fie Os srytham .sToi? (70 8 bas Oeivesnss Wtiw eri , bas Doweuege .owortd “ + ty fire » Baos 4 Cc. ; Jheleqmee _ ven tboed —— z ;
bh.) ,@, G88 -ce exepniase bas edeeage Fiud She teaee.
; mbes . 3 j — ’ a ‘ . as h aim Paty wl TRIG YO 3 Mf rey : ey ¥¢ Heil, io fy , ; 36, hired
: peek :AVTSBS xe bee too. 1.4 2dstd bap ,atepnhide: evade niata-Tte Pty ot a0 -avilongipe! yaey b a \eiteo2 wa? e sh B bad coo? Ff ba 27S! sn rte bs * 24497 a 7 7 J953n nS 4 Netverg-tiptl of aword-sutle-diptt eiev oye ,Cnrobad 4: e 673 rite evre26me ofS may ve 1Dtetns 9673 (8.2588 ef 8 a. a ul vem Z3
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{.% es 4 Tw? 7
>
CORE LITHOLOGY USGS RED WASH #1--continued
Feet Description
2878. 2-2884.6 011 shale, medium- to dark-olive-brown to medium-grayish- brown, even and massive with streaked and contorted bedding, competent; numerous medium to dark-brown asphaltic tuff streaks, stringers, and blebs and 0.1 foot bands at 2878.7 and 2878.9; trace greenish-gray pyritic tuff streaks and blebs; few scattered medium- to dark-olive-brown Streaks and stringers and 0.2 foot band at 2881.5, 0.3 foot band at 2878.2; gradational contact
2884. ,6-2893.8 Maristone, light-gray to light-brownish-gray, streaked with even bedding, competent; trace kerogen; few scattered green to gray pyritic tuff streaks and blebs; few scattered dark- brown asphalt streaks and stringers and 0.1 foot zone of asphalt stringers at 2892.9; sharp contact
2893.8-2903.3 Oi] shale, medium- to dark-olive-brown, streaked and contorted with trace looped and even bedding, competent; numerous white to dull gray pin-point calcite(?) streaks, Stringers, and blebs; numerous medium- to dark-brown to black bleeding asphaltic tuff streaks, stringers, and blebs and 0.1 foot bands at 2896.5, 2900.9, 2900.0, 2902.3, and 2902.9, 0.2 foot band with pod of white altered pyritic tuff at 2901.9; few scattered, very light-brown to gray marlstone streaks, stringers, and blebs and 0.9 foot bed at 2898.2, 0.2 foot band at 2899.2; trace asphalt streaks; sharp contact
2903.3-2913.0 Claystone, light-green to light-brownish-gray, massive with even and streaked bedding, competent, fairly soft; the only C03 content is in marlstone bands; 1.1 foot bed of light- brown to grayish buff maristone at 2903.4, 0.4 foot band at 2904.8; numerous green to gray pyritic tuff streaks, Stringers, and blebs; few scattered medium- to dark-brown asphaltic tuff streaks and stringers; few scattered white pin-point calcite(?) streaks and stringers; trace asphalt streaks; few scattered black gilsonite streaks and Stringers; sharp contact
2913.0-2917.8 Oil shale, medium- to dark-olive-brown, contorted, streaked and even bedding, competent; abundant very dark-brown to black oil-shale streaks and stringers and 0.4 foot bands at Pots. and 2914.1. 0.2 foot: bands’ at, 2913.8 and 2974.7, and 0.1 foot bands at 2913.6, 2917.2, and 2916.5; few scattered dark-brown to black bleeding asphaltic tuff streaks, stringers, and pods
32
Mt bem ah awouds inShectnetieles . eg ane nadia Shes big pastpon ya thtiw nen reve , wor
sit teryes nwo. teh: ofan ebem epesemnes- iteatsqno> B ntbbed sangd faq? [0 Dag eGeid Die ,2190R Fuge 2 heed Fy 7 ouaov7s. Td SHEN WED te AONB S5e8F SOBS BA Seti Wirral * Tes 16 oO}. -muthem bs ‘9d3602 wet -padeth: bg .
cf. ,@.TA8S 76 ‘bead Soo? B60 bes seeantage hos, gdeartz
TB IAOS ‘stor tsheao + S6GTRS oe ‘basa '
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one 24gerc: atinvorlip soele fetesogoe we? pahberse 3
JOAINOD GuENs ihe "Iz we
hetserte ,het9ogned , cwortdsavil(aeiaab ot -m ther
afl .o3 apnea lint “9 i saa btuida ,faeteamoo “bn thned te zbned Jon? &,0 ene zrannha2e bow. attorte Sfodzehte brs .\.S20S bos METeS gs ruigd, 300% $40 eles: bingo? . beneiveoe wet 72, ates ong STIRS ,@.E10S fm edna 10
-edsatde ud oi tiem rer Yop ld os uae aboy, bas. . 7
pal i i
Feet
2917.8-2929.7
2929.7-2937.6
2937.6-2955.2
2955.2-2962./7
2962.7-2970.0
2970.0
CORE LITHOLOGY USGS RED WASH #1--continued
Description
Marlstone, very light brown to light-brownish-gray, massive with even bedding, very competent; trace kerogen; 0.7 foot solution fracture sealed with asphalt and small clear crystals of calcite(?) at 2919.0; few scattered light- to medium-olive-brown oil-shale streaks and stringers and 0.5 foot band at 2929.2; numerous green to gray pyritic tuff Streaks; trace white pin-point calcite(?) streaks and stringers; sharp contact
Claystone, light-greenish-gray, streaked and even bedding, competent; trace kerogen; numerous green to gray pyritic tuff streaks and stringers; few scattered light-olive-brown to light-grayish-brown oil-shale streaks and stringers; trace gilsonite streaks; sharp contact
Marlstone, light-gray to very light brown, massive with trace Streaked and contorted bedding, competent; numerous gray to green pyritic tuff streaks and stringers; few scattered medium-brown asphaltic tuff streaks and stringers; trace white pin-point calcite(?) streaks and stringers; trace asphalt streaks; sharp contact
Mudstone, light- to medium-grayish-brown, even bedding, fairly competent; few scattered medium- to dark-olive-brown to grayish-brown oil-shale streaks and stringers and 0.4 foot band at 2955.2; trace kerogen in oil-shale band; numerous greenish-gray pyritic tuff streaks and blebs; few scattered dark-brown asphalt streaks and stringers; trace dark-brown asphaltic tuff streaks and stringers; trace white pin-point calcite(?) streaks and blebs; gradational contact
Marlstone, very light brown to light-gray, massive with trace even and streaked bedding, competent; abundant gilsonite streaks, stringers, and pin-point streaks; few scattered green to gray pyritic tuff streaks and blebs; trace dark- brown asphaltic tuff streaks and blebs and 0.05 foot stringer at 2965.6; total depth at 2970.0
Total depth
23
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+ ~296P 92542 oui bes gisoita thes ofsiyen) yeu of Nao Ww J 0 bre 2dofd bos exsevte Ftus ota hshaet wotd O.Nt2S ts Heoeb fegas iis &aes 36°48 tide
yl a ets
Figure 2:
34
Oil-yield bar graph of the RW-1 drill hole from Fischer assay analysis (in gallons of oil per ton); 1" = 100'
« i a oe Tel = Ve a
a a:
*
pee Se ee ar a 7 t
P|
i ane
Bet) ey ml tee
the
: 2 af) n ee ow : ; Y
ee ny !
=
i
i
: aay 6 e y lf ms
i ry Pa ¥ i" e
5 7
:
Oil yield bar graph for the RW-1 drill hole from Fischer
oo Oo pees vet <r er e Nin ~ - nom 90.0 = ce —— 80.0 > Wn = w 70.0 cs a > 5 60.0 O ” = one 50.0 a 5 - Cc — 40.0 WY mm 1 a Boh ae 30.0 *y “” o| = 20.0 A i oa al set [emery | Meena oa || eee were Tee og ee oe r | 2 ee) S = ur a “ Le
Well No.
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ee ee LL ee
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Figure 3: (continued)
eR ye opr gona gr 7F -r- Param : wa die pf em sn + a ~~ — ——
Oe
Tg AGN ei i ee te aggre ean ce
DR hk tila til hhh linln ds Att Set he at
ae
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(continued)
Figure 3:
37
SE A SS NR SR NN a
eli RRR Rh Rt lik
Lo) rs ag:
nd
core.
Nahcolite Occurrence
Red Wash #1
Nahcolite was observed in the rotary cuttings, however, because of the high solubility of nahcolite in drilling fluids, an accurate percentage of nahcolite could not be determined. rotary cuttings from 2,120 feet to 2,130 feet.
Evidence of nahcolite was observed in the
A visual estimate of the percentage of nahcolite per 10 feet of core was recorded throughout the cored interval. The zones of nahcolite mineralization are as follows:
8% 31% 15%
3% 14%
5%
2% 25% 15%
o%
22% 15%
10% 10%
from from from from from from
from from from from
from from
from from
No large void spaces
2,160 oy uiU 2,200 2,190 2,200 25210
2,200 2,240 2,290 2,260
2,280 2,810
2,820 2,830
to to to to to to
to to to to
to to
to to
from the
oy 2,180 you 2,200 Ce eee
2,240 2yea0 E3200 Cary a he Zeeoy 2,820 2,830 2,840
leaching of nahcolite was observed in the
38
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- ’ of at % bw ; gs? Uj 7 SFr aoe Ar) %s 6 7 mn to 2HNnOy
-~ 1..wC
¢
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