WA ( PAA NORTH AMERICAN FORTY-NIN ji HF wm ‘GINALD ALDWORTH DAL (I PART TU Vf \ | Bit Q y) SAID A PH Ht A A AN ! y ly. i Ad yal 4 y | it od, BR? GEOLOGIC AT DE, IF aN) Q | ME. NY Oy ; ME a S| JR WIE OTTAWA” TOUS PYF) PERE ed) cE ris. ee FROM THE LIBRARY OF CARORGE P. MERRILL U.S NATIONAL MUSEUM fi f Us Ses yy NVDYNWNO PACH FIC Kry SHowine PosirioN oF SHEETS. - 7 i ahsenian. eat ek : ‘suregunoy AeMpPIV—-OT 320uUS are peed | “oyg une “sosUBY OPBOSED PUL BIQUINIOD ‘AIIAIIS 94} JO SMIIA—C/L,, ‘SosUBY HILAJOS pue AHSOT 2u Jo smoiA—7Z/ 271d ‘o4e’] BUNSIIUD—G6 Ss, - *gureyUNOy PUEISsSOy- 8 ‘JOA OIOIO,d PUg—L oy ‘youary, [PNgG—9 _—_,, ‘asusy aAop—S _,,, asuey yueA—p i, ‘yOUsT], ureyunoyy Ayooy—e Oi, | | "odUBY WOVEN) —e 99 ‘oqe7T seunG—/[,, “PAT AeCMYTYO— OTC, _ ‘asuey JiseyS—s{_,, _ ‘asuey Us.UIOZOF]—pT _,, ‘aBuey uUeseueyO—sI _,, ‘UIBJUNOYT JosniIsj—ZI =a, ‘aqe’] SOOAOSCO—TT ; poe asuey oxrIelD—T yo Mido na | mba ‘ rhe tae ili! Arh oe: a ea ee ae enn Tere ener Pe he iw aa gst , . ox m y abbas diitpbtet0s : V cde bres ; Sy, ane. Ft bre RMA) ae oni by ay one chiefly MIDDLE CAMBRIAN® MIOCENE PLEISTOCENE LEGEND ——— , _ Glacial drift and alluvium teluding winged-out moraines of the Flathead valley & RECENT cr — Kishenehn formation. chiefly bluish-grey clays; interbeds of grey saristonefosstifer ous [Kn | Kintla. formation. chiefly thin-bedded ;red. argillite;and. interbedded flow of basic lava - Y Sheppard formation. chiefly thin-bedded,, ight THOR Oe dolortite; ar titerbe. Ww of basic lava a Purcell lava ic flow massive, basic Siyeh formation chiefly massive, dark grey, siliceous magnesiar LTTE » also rreuch ishngrey metangillite cc = Grinnell formanon_ chiefly than-hedded. red metargillite; an interbedded flow of basic amygdaloid Appekumny formation. LOWER CAMBRIAN(:) subordinate quartzite and tmagrestar Altyn. formation thir-to thick-bhedded , ught enerally sandy, siliceous, | qnagnesiaze gE Peers SS Pe Ural, sree i BELTIAN [ ton formation massive, dark grey, felspathized "dolorrite Intrusive [esl Abnormal Gabbro CAMBRIAN® Symbols Geological boundary ——— Fanlt Note. Localities of chemically analyzed rocks, shown thus, + 1306 "y i generally thin-bedded , light greenish gre. metargulite; reer tres Sheet Nol 11430’ 25° 20° 15’ 10’ 5’ ° 49 163 ik. A R K E STARVATION PEAK R A N 1300 SS BRITISH COLUMBIA ALBERTA fr PROVINCIAL OUNDARY 114-30° 25" Ge Wee gS \ : 7 RIDGE : | Lh O N T 20' 15’ Jo’ Topography: from, surveys made by the Boundary TRINLS SUOTE- | Sea Leve/ Starvation Creek, F g g Ss ry x g : g CRETACEOUS ea Leve/ Sections along Ime AABCDEF GEOLOGY OF THE FORTY-NINTH PARALLEL, ByR.A.Daly. Scale: 2500 = 0-9864 Statute Miles to | Inch Miles 1 we o a 2 3 a Contour interval, 100 feet MAP 74A Reprinted by permisstor of Chief Astronome;, to accompany Geological Survey Memowr N°36 of 4:9 | esau ham bei Ni peec Lihat ln ad toe - \ ‘atom nee . aunt sag arene aa Lh aie | ' erin» ier dyreHURES 9 Fb aera Melby 4 Welly ey (eae i AP haNE gn Ep stent « Fee 2 ia ee A GaSe Ly (AN MIR Um ipo I et ry ay SANA trp NR omy aR have HURT NAT pA ta TCW Rh yy 4 Pare ih He a bs 2 . Dotti us r i MISSISSIPPIAN PLEISTOCENE &DEVONIAN MIOCENE & RECENT SCI he a PN ee i. (?) chiefly MIDDLE CAMBRIAN a CAMBRIAN@) BELTIAN LOWER CAMBRIAN rae 2, Joe LEGEND Glacial draft and albixvivon Ks Kishenehm forma chdetly blaish-grey clay ; wterbeds of grey’ sarulstone ; fossili va) (RT Phillips formation. purplish. te red, trirbedded metangilite & quartzits me Te Gateway formation diefly thavbedded, siliceous metargilite, sore dolomite at base. ree massive , basic flow me Siyeh formation _ massive, dark greys sificemes, m: Sie limestone with nich greenishgrey ctor gillite EW Wigwam formation. thin to-thickbedded wed sandstone and. metargillite Mc MacDonald formation thin te thick-bedded., grey metargillite, with rare lenses pectatarneite , et al Hefty formation. chiefly thick-hedded reddish sandstme Altyn. formation. tun-bedded. siliceous dolomite Intrusive. Abnormal gabbro Symbols Geological boundary Fault = | Glacial Striae Nolte. Localities of chemically analyred racks, shown thas, +1250 Wigwam River t, a Bei ala SS Res WX y~.2 yar. LZ 5 Topography ft SUT" made 6 a A DOE SLon “Co YEA: 6 Sea Leve/ Section along line AB GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A. Daly. Scale: 62500 —0-9864: Statute Miles tol nch wwe. ee ty ae ee 3 4 MAP 75A Reprinted. by permisstior of Chief Astronomer, 5 7 . ‘72 (VO DAE TA Dao io accompany Geological Survey Memowr N?36 ape Toe i rae VG i i ATL Re Ait i i" i ti i na et) Hi Bg 7 ties = ‘ we ta on a PLEISTOCENE Chiefly LOWER CAMBRIAN@ MIDDLE CAMBRIAN®@ DEVONIAN —_ & RECENT Limestone urcell lava. MacDonald formation. thirt-to-thick-bedded , grey metangillite Symbols Fault > Glacial striae Note. Localities of ee ee analyzed rocks, shown thus, +1202 10’ aeeeee So Bo ag Al ANS ee Fag, : : ¢ \ 7S . bf Vie ——_S A wie Zl of 9 FH i =} y MY) ; usw ‘ ie \ . | es ‘ : i : s ia : 4 A Wi { ( j Sy : 5 wx \ Yl *% L Topography from surveys made by the Boundary Commission. ———— — SSS = >= a ore = rae =—=> — [cc [ati SSS Ss fare Sea ae ee ee ee ee See ae —S SoS SS Se ae _ Co Seat Me eee a Oe pind aS ~ = a SS ae eS | [ee ae SSS = SeaLeve| = eS ee ee SS =e 6 Sie WS SSS SRS pogeievel Section along lime AB GEOLOGY OF THE FORTY-NINTH PARALLEL, Scale: 2500 — 0:9864: Statute Miles to 1 Inch Miles MAP 764 Reprinted, by permisstor of Chief Astronomer, to accompany Geological Survey Memoir N?°36 Contour interval, 100 feet. i ve, PAD a N ee GEG» » Vea 2 ” GES» » €&¢ ” ” vEeS ”? ”? (ANG ? » €€6 » » LE>™ ” »” (ANA ? ? 0€? >”? »”? LES» » 666 ” ” 0& » » 866 ” ” 626» » L6G ” ” 826» » 966 ” ” 206» » GOsG ” ” 926» » ES ” »” GCS» » €6¢6 ” ” ¥oG > GCG ” ez peal pinoys Lge Juauinuoy|| Auepunog VivaHys SONVY HVA —? LASAHS Chiefly ; MIDDLE CAMBRIAN?) (2) LOWER LOWER CAMBRIAN?) CAMBRIAN® & BELTIAN CAMBRIAN(?) LEGEND oyie formation thin-to thick-bedded. shales, Rivet A Eee and quartzites; white, grey, blackish,greehish &purplish Gateway formation. chiefly thin-bedded,, siliceous metargillites; some dolomite at base. (Equivalent of ( lower part of Moyie formation) Purcell lava massive basic flows ee ee Kitchener SOumat ony ito thi edded. eccnish-grey quartate and thetargillite ; tents do itie in places | bye. Fe Si ormation din-to thick-bedded, greenish: ey metargulite with massive, formation) siliceous magnesian limestone. quivalent to up! Kitchener ——= SS Wi formation. 7 thin-to-thick; bi yred sandstone and metargiltite (Equivalent of lowerpart of Kitchener formation) Srestany formation. ETLET ick-bedded, y quartite aid s etd yiltice ReneS Dolomiti Intrusive Abnormal hornblende gabbro Symbols alee boundary Fault Glacial strine Note, Locatities of chemically analyzed: rocks, shown thas, + \{64 f 4.9" Hes : < s M O N = iis A N A IL : 2 UT NG oo’ 55’ 507 45/ 4.0/ rani TS's0' To, Ay from. yeys de b 1263 WA. Bousilany, | ide § is : S 3 ss Section on line AB GEOLOGY OF THE FORTY-NINTH PARALLEL, ByR.A.Daly. Scale: 2500 — 0:9864 StatuteMiles to 1 Inch Mile it % oO 2 [oe 3 4 MAP 77A SS rE Reprinted. by permisstor of Chief Astronomen, Contour interval, 100 feet to accompany Geological Survey Memow NN? 38 GGG ”? ” 0c¢ 9 ”? LdG » » 616 » ; ” OGG 19 ~ » Sle ” ” 6Le pest pynoys Zhe ” ” Zig “UO JO jSee SOI ZOOSI8LG ” : Zl6 » » Q9Le ” 2. 916 » 59, AGI Gpeoe espe ” Glo» » VLo ” ”? VIG » 99 EGae eg? ”? Elo 9 re) Cle ” 5y) GEG. =e 20 Llo ro 2 LLG 9» ~ 9 OLC ? =F OLE » 3 6026 ” ” 606 ” i 80¢ ”? ” ? 80¢ pees pjnoys 20c ” ” 80g ‘UO JO ISOM SAIIW ZZ"g SI 20g JUSUINUOW AepuUNog Vivaes SAONVY SIAOW—'S LAAHS ety chiefly MIDDLE & BELTIAN®@ L? CAMBRIAN( CAM BRIAN RECENT L°CAMBRIAN MIDDLE & CAMBRIAN® LEGEND Moyie formation thin-to thick-bédded. shales, metangillite aud quartzite white, grey, blackish, greerish & purplish Kt Kitchener formation. thin-to thick-bedded, greenish-grey pupae € ond mierbedded metagi Creston formation massive to tlan-bedded, grey quartzite and subordinate metargulite Intrusive Abnormal harnblende gabbro Symbols Note. Zocaktzes of a, analyzed rocks, shown thas, +W34 eee Re Comer animal 10 Iopography trom, surveys made by the Bo ny TUNALSSTOTL. GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A. Daly. Seale ezto0 — 0:9864: Statute Miles to 1 Inch Section along Time AB Miles 1 2 K qe Contour interval, 100 feet MAP 78A Reprinted by permasstore of Chief Astronomer, to accompany Geological Survey Memoir N°38 Wea raat i | cnet an he i pati he 2 pe Mnhiee : o if i ata fs (e) Chiefl. a] LOWER CAMBRIAN ———— BRIAN RECENT & BELTIAN MID.CAM ——— BELTIAN PRE-BELTIAN PRIEST RIVER TERRANE @) JURASSIC TERTIARY @ (3) CAMBRIAN (?) LEGEND Kitchener formation greenish-grey ywortrite. Wt Wolf formation massive grey grit and arkoseinvery hick beds; subordinate sandstone. Mk Monk formation altanating phyllites md metamorphosed (achistose) Gris, sandstones und conglomerates; grey colours. Ivy Inene voleantec formation thick Flows of | pyroxene andesites, with. some pyroclastics and. a massive titerbed of maguesian. lanestone Trene conglomernte INassve, greatly sheaced than sand stune lenses tnica schists, quartadtes ard. dolonites EUR YH dolomites, quartzite and. phy lite phyllites and sericite-quartz schist - sheared, massive Ss ages with: sericite and cli ie schist sericite schist, spangled withe large biotite crystals schistose quartzite and. mica. schist glittering mica schists and sheared quartzite Intrusive Abnormal hornblende Sranite probably a sill Abnormal hornblende Bana sills in Kitchener fe Lore Greenstone dikes wud sheets uv the Priest River terrane ——4 Glacial striae Note. Structure of Pre-Reltian series, shown’ : on peer me: dagrammatic. Localities of chemi analyzed: Boe: lee thus, $900 ne Sheet NV? 6. 1e@z0' 198 MOUNTAIN SYSTE " Ni7oo’ lapography from SUTVEYS made TRILS SLOTU. C OUT Sea level \. D RANG EE) PURCELL TRENCH +962 49° Wily, yi, “ oY 50' Section along lme AB GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A.Daly. Seale: e2500 — 0:9864 Statute Miles to Inch Miles L a AAO, au Contour interval. 500 feet MAP 79.4 Reprinted. by permission of Chie? Astronomer, to accompany Geological Survey Memo N?°38 ) he I ee ar. are A Bila uly 1 i REN ED cha, We el RMN SIPR I A eet UI I al wp " “ie i seer sireti dora: a am gt shen Me ait cr mes ees Tp pects 4 , pals ac cela tae ae adele oka fo eins ahd otiommsbnc hoo LEGEND fe v ate va ; ig f jee I7s0 : ae ots BONNINGTON #0 RANGE AB NELSON 1 RANGE 5 (SELKIR KS) T1700 Beaver Mountain sedimenrs ff Reaver Mountain wvoleanics Rossland volcanic formation. flows and pyroclastic deposits of augite andesite and basalt ‘TERTIARY | fn CARSONIFEROUS TO (2) Pend D’Oreille limestone white to bhuish massive niuwbles PD Pend D'Oreille schist carbonaceous phyllite with quartiitic and cantplaboltiic intercolations ca ai Lone Star formation dark grey, carbonaceous phyllite ,with quartz schist and quartdte To BRIAN ORDOVICIAN CARBONIFEROUS CRETACEOUS?) (?) CARBONIFEROUS M MIDDLE CA ) efl vi ao ‘| ae u ch Beehive formation banded quartzite, with: thivinterbeds of metargilite os Ripple formation qnassive, white quartzite rad Dewdney formation. banded quartzite , with conglomerate interbeds _ Wolf formation. h WTASSVE Me grit, az arkose WW Ver thick Bera subordinate pices & BELTIAN LOWER CAMBRIAN() () LOWER CAMBRIAN Mk Monk formation. alternating phyllites and metcamorphosed(schistose) grits, sandstones, and conglomerates ; grey colours. Iv BELTIAN Tvene voleanic formation. thick flows of pyroxene anrdesites, ith some pyroclastics ot oy ot ae Intrusive AA | cel hy APN UK ; ; , gt ; \& ASS i AP le \<6 : ‘| | Salmon river monzonite stock Granite sotellitic to Bayonne batholith (> TERTIARY 7 Olivine s stock()) Symbols be tie ael ce tens AS Geological boundary 49 00 | TEMMTSE RW ANT: NAO BOUNDARY Fault | Ww A s H I N G T ¢ : : = TI7z0" 25° 20° ine 10’ 5 11760’ RE ao from. surveys made by @ 1266 oO ay TRAILS SCOT. Note: Somewhat 1aanerous, though narrow dikes ofrrinette, cutting the schists in the Pend D Oreille valley,are not shame. Note, Locatitzes of chemically analyzed A rocks, shown thus, +666 . K - | a i ee eek. i SS AU ieee eaReeeaay 1 | al ay atria: agi ead line ABC GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A.Daly. Seale: 62500 — 0-986 Statute Miles to 1 Inch a4 Miles ‘ £ MAP 804 Repruited by permisstor of Chief Astronomer, Contour interval, 500 feet. : to accompany Geological Survey Memowr N?58 Sealevel — V2 00) ee liver TR adi" oF seri nacialis toda aig ek aL alk dala \aneray tpt Phat Le A | r? is Otto ih Agr gaed ania em sti d Salven iin al ‘ aie “a gee Abe ape at ine 5 F pou ewe FAN ar a bgt ay DT ML dre bee Lyin, fr. “4 i i a ‘ Ai aa rhs ie a 1 ST «(ND nat ta Me Re Tf Syn betsy mie ll a bc ty Ne Lee 1 Sheet NV? 8. — M1800! ROSSLAN D 55) MOUNTAIN By | | G uP 45 : ri | nie SELKIRK VALLEY ate BONNINGTON 35 RANGE (SELKIRKS) 2730 LEGEND | pO fe | : ak . SN ea) | SS | - / r %, ham io r | : 3 SS 136% TS J NZ : x fi ¥ . aman f\dooe! : Ee | Conglomerate fosstliferaus on Sophie moovtair Beaver mountaim sediments grey aul brown shales andsandstones | ee Beaver mountain-volcanics Ve abet ang enie |e | | | | | ey ae SN s . \ SSS ” | by t TERTIARY (2) CARBONIFEROUS Rossland volcanic formation. flows and pyroclastic deposits of latites, andesites and basalt ETACEOUS TO CRETACEOUS Lower Carbonaceous argillite, sandstone,ete. fossitiferous Pend D'Oreille limestone | ah white marble, fossilifercus CARBONIFEROUS (2) CARBONIFEROUS ; Pend D'Oreille schist G ceou lite, with quart:at Gente ae phy! Tntercalations i? TO ORDOVICIAN Intrusive Coryell batholith. hornblende-biotite syent (putes tote) with phases of syehite porphyry TERTIARY Sheppard granite biotite granite; stocks and. dikes | | ( Shatter-zone of Trail batholith MESOZOIC ad Geological boundary 00 SS EN gt poe tL s~. = = aie a ie _f pein ie el a, Glacial strine (COLUMBIA SYSTEM) A s eA ' , , Il800 | 56 fas 4.0 . pe 730! Topography from surveys made by % the Bo y TRINLSSTOT. § Note: Many mineties and other micarlamprophyres cut the Pend DOreille schists in the Pend DOreille river gorge, & as well as the olderrocks in the Rossland waning camp, Numerous porphyrite dikes syngenetic with the Kossland , yoleanics arenot shown and apophysal dikes from batholiths und. stocks are likewise nov plotted. Localities of chemically analyzed A rocks, shown this, +409 i [Red Mountain Rv. Sea level Sora ciliates te GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A. Daly. Seale: 2500 = 0-9864 Statute Miles to lInch. 1 Yeo 1 2 3 2 MAP aA Reprinted by permission of Chief Astronomer, Contour interval, 500 feet to accompany Geological Survey Memoir NP 38 nat Balsa ~ a “t hurt me j bey een, tard ms fp ED sn: nilKoomed ng ae v bagel ty Seater ito LEGEND TERTIARY Conglomerate Phoenix volcanic formation flows arulpyraclastic deposits tr angite andesites, etc, = Rossland volcanic formation flaws and pyroclastic deposits of latites, arndesites and. basalt, CARBONIFEROUS ~ TO CRETACEOUS() PALAEOZOIC?) —_— Sl EJ TT FF 2 Tt SSO OO OO iO Devi OORT Su Sutherland sekists phyllite, garnetiferous, epidotic and actinolitic schists, etc (?) CARBONIFEROUS Lim me white to bkesh marble (?) Grand Forks schists amphibotite, horiblenide schaists,ete. Intrusive S i Coryell batholith < hornblende-biatile syertite C pulaskite) o-¢ o = Syenite porphyry | peripheral) younger) phase of Coryell batholith, = Fa) 9 tu fs Olivine syenite Harzbur gite n e 5 le i (e) eel peridotite Wu O <4 kK ty a oO cS 2 ve aplitic grartite ao 2 ries ate * . Cascade batholith iotite granite ; satellitic(! reissic b ae south of Castle mountain, Symbols Geological boundary => Glacial striae Note. Folded structure of Sutherland and Grand Forks ; seliists TUNA. . is, In section, merely diagran Many apophysal dikes thon: large iniiusive. masses not Shown. 2 Localities of chemically analyred rocks, shown thus, + S17 aeee si) i 30 25 20’ 10'MOUNTAINS oe COLUMBIA 5 sySTEM) W800" ROSSLAND sa — : hee Cena tT sSpanaciNIN faci! Rann iG ee (COLUMBI|A SYSTEM) P 49° 49) | geestrson gg eS eee SAGEY co a ; 43° OUNDARY 167 168 169 170 = ee SSS SSS SET] OQ! I N G Ay O N ROSSLAND MOU ee GROUP 830° 25 20’ ie fh a 2 15 10’ f | | 5 11800" Vpn 3s eee He ples, Winans ae - Section along line AB | ih ; GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A. Daly. Scale: ezboo — 0:9864 Statute Miles to ] Inch Miles Le) 1 74 3 4. jE ese eee Contour interval, 500 feet MAP 82. Repriuied. by permisstor of Chie? Astronomer, to accompany Geological Survey Memow N?36 aerate oe \ ni Me i) is i | Paes. y if ™ , Tare Ps ou) ¥ Th Mi r tts + \) , A he : i ; 5 Sued tlie OI ate Coe : ‘ yea h ce Re \ i : uy r t : J RAN “aN he iid ; ; b PRC Op" ; ( hatte a A aN Nan A : 7 Mae almnnelycw” Nie = ‘rieh h rene i ¥ f avant ne a INO ty de len , ‘i RRS AIA ai Whe 4 f : ; wee ; patra i) caer ee re) : b aaa: Tien : " r Whee ei Kt Vesa ore fd Wh ha a Ms heb eri Stic ein wrens fis ith ae u sl 7 on 4 .' ‘ . fi aie in ” : ahs 4 2 Ayah we LEISTOCENE P OLIGOCENE MIOCENE & RECENT (?) = TRIASSIC IBONIFEROUS << — 3 (*) CARBONIFEROUS De (2) RASSIC OLIGOCENE MIOCENE A. (2) Tss==2 () CARBONIFEROUS JU LEGEND Sheet NU0 =~ | q ¥ Ce, hy) F fs h 4 A 5 = a ; Ati eee ear ana 119 00 : 3 ee MIDWAY MOUNTAINS = Hs (COLUMBIA SYSTEM) 40 3B 11830 3 Mirhway volcanic group yy thachyte and analeitic rhom Dp pPeyry ; y flows and pyroclastic deposits I C x \ Xi isec F yi Z A " Gi ae z : \ ¢ 5 ‘a ‘ fi 4 Ae y ‘} r / : i 5 - ap F tN af ° y De lo Kf a | Ma =| ; t i \ AN ) vil ———~ : ( Bhs Fee B } bp Kei Midway volcanic froup : f Ly “ = 3 } . ats eae Ue > SS Zoi fe! Wf Zi andesites and basalt; flows andyyreclastic i a her ates y Y Kerle river formaton Anarchist series quartzite, phyllitic shales, greenstones with die Ciriani idk [3 sorulstone,conglhanerate,sfuinle,arkose { A Zs (ee Phoenixvolcanic formation. Zee = ow ; a es: - " 1 YG yy ——— alee : : : = a= yyy Seetion along lme ABC Note, Shuctures shown in schists and. limestone merely rea ran alla tats creas ee pina oe GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A. Daly. many dikes and witrusive sheets of porphyrttes aud. porphyries, as well as granodiorite apophyses are ’ nov plotted. Simtel many dikes whichsareeyngencti Scale: ezs0o — 09864 Statute Miles tol Inch with. the voleanics are not shown. ae Localities of ee eae analyzed n 2 P 4 Miles 5 Z A rocks, shown thas, + \010 0 = a Contour interval, 100 feet a : 7 Y a? eee a f i i : ey Re iy, a cor tm mel ‘ ™ . ee A Laleiae camera these dei alaska 1 oR eee ae een a camucichss ebb silt tae ae ae Tee ee q oy BG ; peat ; Ws Eye EON ‘ my ats (2) CARBON- UPPER PALAEOZOIC IFEROUS OLIGOCENE (2) JURASSIC (?} MIOCENE wate @) LA) PALALOZOIC LEGEND ut ae So Be Loy Glacial doaft and alhbavinom [20S as Pa Shackanite ol flaws (part of Midway valeantc group) “g = Exn-usive rhomb-porphyry flows ( part of Midway voloanicgroup) SS J Kettle river formation. sandstone, conglomerate, shale, arkose LE Limestone of Anarchist series white to bluish-grey, crystalline An Anarchist series quartrite, phillitic slates , pCR rENePTRES with. limestoie pods - Intrusive —_— Intrusive rbomb-porphyry chonvlitis and dikes Osoyoos bathohth gneissic derivative of granadiorite Diorite and gabbro Geological boundary Glacial striae Note; Strwetures of Anarchist series, shown ww the section ,nurely diagrononatic. Localities of chemically analyzed rocks, shown thas, $295 . A, Ue 5s 15° MIDWAY MOUNTAINS 149° 00 20! ace 78 ap ts +f a iST MOUNTAIN oe ‘11930’ 25" Topography from surveys made by the Boundary Commission. | GEOLOGY OF THE FORTY-NINTH PARALLEL, ByR.A.Daly. 7% Section along tne ABC Scale:e3s00— 09864 Statute Miles tolinch Males ° i 3 a Contour tnterval, 100 feet MAP 84A Reprinted, by permisstor of Chief Astronomer, to accompany Geological Survey Memoir N?°38 Be . We it mr ivh Ni i oye }, We ApS. Wd 4 me Mt on + want oa inn, . tee } Sie Sheet N° 12 35" PLATEAUS INTERIOR BELT OF 40° i, RG Yy y 50° SY os) aly (Es eM Bb" (CAS|\C ADE RANGE O K AN AG AN Z eae uf, CF!) ey: Se *, " , OY me -: SLL A x 1 ROR = — Ss T1930’ ‘ 35" ( 140 7) SO % | Ryne, fe Y Va G aX {7 Wee aA ees GHOPAKA Mr 4.5' 50° 5b’ Va 12100 veys made STOn. surveys Commiss graphy vi the LEGEND pods. 1 tryna eenstone draft and all Anarchist series martxite, Glaci amphibolite, with. Tin plyllite , slate, 4NI9344 ¥ (O10ZOSVIVd 3NFI0ISIZId = Uddin Ltrusive In ith. granodiorite Similkameen batholith Cathedral b. ‘ = is) aus 3 tf 3 3 i ae ry ° a} & & g So Basic intrusives of Richter mountain. Perido Symbols AUWILYAL @alssvunr o10z0aVvAVd aLv7 cal boundary Geologi cial striae Gla (0) , Shower COOTATLOTL EC. analyzed. Ly, 110 merely diagr shown this, + localities of chemica chs, we section, Note, Structure of Anarchist series re 1271 6 + from Boundary Section along lime A B GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A. Daly. it cale: 62500 = S 09864 Statute Miles to ] nch es MAP 854A Reprinted: by permission of Chief Astronomer; to accompany Geological Survey Memoir NV? 38 Cordeur tnterval, 100 feet Stain lt a Titags ty a ome foe | ; Lh an or ah pa itn i Pe a gh Sache mera TEM, Meanie OC ese Soe Co Hr he ‘ UA at " Serena Rca Aen ar sian. acts wh a! hint 3 ie état iit ain dle! ere eats vat ah ve nie i pedis t aa Sheet N25 12000' 20° Vie i DX al git Me 4 Ly : K Li SAO zy ia) (« “p 120%0’ - ct = 12000’ r 15" 20’ 25 12030 LEGEND 4w3MO01 t . : in Tegee., cece a < 4 — zt as S fe feds Pass: Gs} a, 3 B=} Nain gr S a 8 58 | Glues fee | oes pee a & £ Ls Hl hee 3 = af ne Pog ee 4 Aa Ss OR ° ; : q 4 3 o us 3 3 eS 28 @AN390LSIF1d AMV LLUSL snoaovisus (2) o1ssvanr @awwzoavivd 3LV1 cial striae Gla is atc 8 chemically thus, +1 realities of rocks, shown Note. Zo w fea) i ¢ ei q (3) ra 2 < : S ra) & & a = gS as TET, Chief Astrono ‘to accompany Geological Survey Memo N?38 Reprinted, by permission of GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A.Daly. $00 — 09864- Statute Miles to] Inch ' Scale Miles 100 feet Contour interval, Meet Angee ite! 2 ella J Maas pen | ee iy ere : ae CRETACEOUS (SHASTA-CHICOQ) ty CARBONIFEROUS pa LOWER ETACEOUS Pasayten Series MIOCENE (?) JURASSICH) aa Member L blach angillite ies shift: | Sh a ta eH Wedine grey sandetor He ithe of s: Lg UntTer rhe. Members Btol arkose and sandstone chiefly, witht conglomerate and shale 7s ~ \s Resa Pasayten volcanic formation andesitic hreccia. Hozomeen series greenstone chery quartzite & Limestone pods Intrusive ALA, (LLP LLL! Syenite hy chonstaok ve CastleMountain stock granodigrite lighoums Creek stocks diorite Remmiel bathohith Westermphase; sheared granodiorite Symbols Glacial striae Note. Structure of Hozomeen series, shown tt 3 pmerely diagrammatic. Localities of chemically analyzed: rocks, shown this, +144! 12100’ Sheet N° 14 2 we 50° 45° 40’ 12030’ HOZOMEEN RANGE OF CASCADE in CL re N/ AX < WGA RWI \\ Hf AN ( ( ce Si } : \ WN « SAN ¢ \ \ nl HN ACES) AWS EK BAVA SR Ne Ws RY ‘ \) \\) ARN Ki H PWT //prerr < iy) PERRY Wi, OKANAGAN Fopograply, fren OS made by SEOTL. fi Section along line AB GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A.Daly. Scale: 2300 — 0'9864 Statute Miles to Inch Miles ly ° 1 2 3 4 Contour interval, 100 feet MAP 874A Reprinted by permission of Chief Astronomer, to accompany Geological Survey Memow N? 38 ah j Wu) { fh Beal, Ne r fin A mi ie *! qin BGR Steg th ha - ape ¥ as va ote a i S Pi Sheet N? 15 Fr ’ o 10 5 12100’ = : : = : il LEGEND (Fm, Glacial drift and allacyionn & RECENT OLIGOCENE@) PLEISTOCENE ie - 49° On aa ix voleamie for: tion. idee ee latte Chilliwack series locally urgitite and saruistone Hozomeen series (2) CARBONIFEROUS carpowiFERaUs ch, quartzite , eerrtorns, phyllites atu Bee pe pods SS Intrusive HOZOMEEN RANGE MIOCENE®@) () CN PG NRL ia set en Y aN i= TAH ey : Rint foes i) \ , | f } AW SSG \ Ni\\« | AAS x SSR | ) it Ni S\N \ S b WSN : SEs if | di} Wie Naa Z TAMA JURASSIC() Za 1 49° i oo’ | aah Oo |i eA ne SN = . ) ly Note. Swucture of Hozomeen sertes,shown on section, merely diagrammaie. locakities of chemically analyred pock&, shown thus, +7 SS SGEACIER PEA “gO ‘ ‘? 7 on 230" ' PI 2 20 15 10’ 5f 12100° Topography from, surveys made by the Lo ry: TRINLS STOTL. = dtl eg : le Phen ie > : La hj SSSR 2 SURE ~ SAN : “i | Gey: » : ws GSES SSS TN NINA = ee : = PIS SITES SSR SSS CU tina, PNM Hill Section along lme AB GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A.Daly. Scale: ezs00—0:9864 Statute Miles tol Inch 1 ye o 1 MEMES ys 3 4 MAP 88A SSS = 3 —— = Reprinted. by permission of Chiel Astronomer, to accompany Geological Survey Memowr N° 38 Contour interval, 100 feet Nien Non wth ee : ek ‘i q i Li On ¥ 1 1 r 4 ‘ ¥ ‘ J y iv “ ap % rd ena ea! ‘ " Das be re erat Jin <2 ee ig Goatees een ru ae " ys anh hcp lai ayia lagi y py ‘ 4 i . Pw ati yo TU alata Saher: y Ps 7p ras aaa @ CARBONIFEROUS TRIASSIC CRETACEOUS — ae CARBONIFEROUS (and older?) @) MIOCENE (2) CARBON|FEROUS —— = ate LEGEND a> i“ Ta : Tamihy series 3 con. roraommes ites pets aE san ietones, s formation Colon dark grey to black argittite, with interbeds of grit, tand conglomerate Chill formation. chiefly flows of’ ite and, hornblende aidesites, ash-beds A Chillivack series ou angi granedio) Note; ilEite qgusrixitic sar with interbeds of grit ps of fossiferaus Lmestane Intrusive Chilliwack bathohlith. rite, with graitic pluses Slesse stowk ciorite LN edder greenstone Symbols Geological boundary Fault Structie of Gdtus forniation, shown on section, merely diagram- Lovatities of chemically analyzed. rocks, shown this, + 54 " Topography from surveys made by the Boundary Commission. Alluvium i i) ILL 12200’ BBY ST tse NN 5 ‘)\) Za) Ue it sae Me — es Ghee Pee ESA, Se. { SS ‘ 2S = 4 WSS ia wy = ——— SS S Sj Ww “ ZF Z AUIS j Bo! : 45" 40° Se tien, AE Ime ABC GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A. Daly. Seale: ezs00— 0:9864 Statute Miles tol Inch Miles L +2 o 1 2 3 a —— Contour tdterval, LOO feet KK i i Li. i \ NA MAP 89A Repriuted. by permission of Chie? Astronomer, to accompany Geological Survey Memoir N?38 aM vi ton i wns me et Rah a AEN — aes ra wi juillet: ie ahr ecepkorme : : pak Naren * ( pols ' y a t pes solicits igo) Ri eae aL cin Say ee “Gs th bee PLEISTOCENE (@) EOCENE AND RECENT (?) re) JURASSIC @) CARBONIFEROUS Grd olden) TRIASSIC LEGEND Alhuviom and glacial drift (north of Boundary Line) Huntingdon formation. sandstone, conglomerate,shale and thin coal-beds Wc J Cultus format OTL Tait ly ey to black illite with Pree stone ae fas pheaiee Ieee conglomerate, eries argillite sandstone and tine conglomerate Os: (here wafossiliferous) Intrusive Symbols Geological boundary ; ae Localities of aL analyzed rocks, shown thas, +201 2.0' 1’ 10’ 5’ 122° ree SE ese — co) ——_—— {1TH Woop Fx CLEARBROOK can ) 6 Lake aX i. Wes AN | 12200 | Topography trom surveys made by TS ie! oor ae - eA 2, SE Sea leve/ Section along lime AB GEOLOGY OF THE FORTY-NINTH PARALLEL, By R.A.Daly. Scale: 42300 = 0:9864: Statute Miles to Inch Miles i Yo ° L & 3 4 Contour interval, 100 feet 1276 MAP 90A Repruued by permisstor of Chie? Astronomer, to accompany Geological Survey Memow N?36 Ms ie are raat ie a eitaaer aah, baa haan ais Y AND SE ey en ra. ee eae tea Be ene Ue ashe i Pratz 72. Typicaljview,in the Clarke range. Looking eastward from head of Starvation Creek. The slope in middle of view is composed of the Siyeh formation capped by the Purcell Lava which is overlain by the Kintla formation. { Summit of the Nelson range (Selkirk system). Looking north from a point a half-mile south of the Dewdney trail. Beehiye Mountain distant, on the left. Nelson range, looking west from summit ridge north of Dewdney trail, Ridges of near distance composed of vertical quartzites, etc., of the Summit series. 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