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+ ; + +
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+ + + + +
+ + + + NTS SHEETS 104B,C,F,G,J,K
+ + +
+ + + +
+ + + + +
+
; +
1:500 000 GEOLOGY + + PART OF NTS SHEETS 103O,P; 104A,H,I,N,O,P + +
QUEST-NORTHWEST PROJECT ++ +
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30' 133°W 30' 132°W 30' 131°W 30' 130°W 30' + + 129°W +
+ + +
+ + + +
550000 600000 ; 650000 700000 750000 800000 + 850000
+ + + ; + + +
+ + + + + +
+
+ +
LK + Ddr ++ + qm >Dr + ; ; ODSMR + + Q Disclaimer: While every effort has been taken to ensure the accuracy of the information in this map, MJCc LTQT Mto +
Q u=S LTQT LTQT LKqm >um Q + + u{`Go the data are provided on an 'as-is' basis, without any warranty, guarantee or representation of any kind, MJCc + + ODRo
; + MJCc + + Tuya P
=gb ; db
)So + `OKe
+ >Bs + + whether expressed or implied. It is the responsibility of the user to check the facts before entering any
lmJLa ODSMR +
+ DMEa `At P + CP >Dr >Dr db rum +
CP LTQT EK +
rum Lake EJgb gr DPHq + ODSMR ODSMR financial or other commitment based upon this information. + + MJdr MJCc LKqm Pgd + + + LTQT + + D= + + +
59°N gs Q MJCc + DPHq +
+ LTQT MJCc Pto + + 59°N
+ +
>Bs + Pgr + ++DPum +
+ u=S MJCc +
CP Q + + + +
+ rum + +
)So LTQT + DP + +
+ + dr +
Pog + +
CP + DPSm +
lmJLa + gb MJCc Pdb
Pto + + + + + +
+ +
ETqp LTQT + >Dr + + + + + +
+ Pdr LTQT DPgd + CP +
gb P + + + to +
CPrum MJCc + + +
+ +
Q + Pdb
+ + + +0
+ + + + + + + +
lmJLa LTQT =gd =JTk + + + +++ 0 u=S + National Topographic System + + Location Map
+ D + + +
EJ =JTk P P 0 gd + + ET Q db DP qp + CPgb + u gb +
= 37 + +m + 0
u=S gd +
+ +
+ >Dr + + +
!( 5
MJCc +
ET + ++
gr )So + + +
MJCc LTQT =gd + 5
ET ; + + gr + CP Pdb+
+ LK rum ++ + + 1
qd + =gd = =gd +
EJqm u=S LTQT gd + +
+ + + YU
Pog EK + + KO + gr N + + TE 094M
R =JTk ++ ; RRITORY 104O +
+ MJCc ; + 104M 104N 104P
+ + lmJLa PJKu =JTk + + DP Rabbit
um +
ET DPSt LTQT =gd EK Q + + ; Skagway Jennings + >Dr
gr LTQT gr + Atlin Mcdame + DMgs + E u=S + River
+ + +
CPrum + + River r
+ KSu +
CPrum +
V lmJLa + +
+ Q + e +
I = DC + + gd gd + ;
+ MJdr ET
+ v gr + U
R r + + +
+
EK + +
= + gr + + + i
+ EKgr gd
e +
EK + .
gr +
+
+ S
)So + =JTk +
+ +
ET v +
gr +
MJCc +
Q = R ; + .
ETqp + i gd
u=S + A
+ + +
DMEa + + +
+ PJKu MJdr .
R + >Dr + u=S + + +
DMpg + ; 094L
+ +
+ lmJLa EK ;
u=S MJ gr + 104L dr + 104I MJCc + 104J
ET Q 104K Kechika ;
gr + +
+ !P Part of 104K
Dease Cry
Porter Landing +
+ LTQT Tulsequah River
ET +
qp Tulsequah Lake + ;
Lake
LTQT +
EJqm +
+ +
U Cry Lake + BRITISH COLUMBIA +
e +
ETqp Q =gd +
)So u=S l
LK + ;
K qd a +
DMEa + A + Q u=S + lmJLa g
+ y ; DMEa
DMml A LTQT LTQT CPrum + +
L
u a EKgr
0 + + DMEa + Map Area
T B
+ T ;
LK 0
0 qd LTQT +
E + + r = `OKe 0 0 gd +
e MJ MJgd E
m gd 0
0 LKqd 094E
q )So +
v ; 104G 104H + MJ + gd + R 0 `OKe + 5 C )So i 104F
+ u=S ETqp Toodoggone D 5 5 Q Telegraph Spatsizi
T
+ Q EJgd + ; Sumdum MJCc +8 1
+ R Stewart ! River Laketon A Creek River
lmJLa `At +
EKgr + + +
)So ; + !P
ETqp u{Ig +
`At
C=um DMEa `OKe
+ +
+
Q + Q
+
ET + Q gr ; + ;
+ CP
rum ODSMR +
+
+ Q
!P )So + MJCc LTQT
Tulsequah y C MJgd
+
Q )So P + 104C + a r lmJLa um Dease + 104A 094D
+ Q l LTQLv !P lmJLa Part of 104B 104B + Callison Ranch DPSt + s Bowser Mcconnell
+ MJgd Lake Iskut River Iskut
+ lmJLa MJCc Lake Creek
ETgr PJKu e River
u=S + u=S h ET + )Hp Prince
gr CP EKgr !
ETqp =gb S LTQT rum LK LTQT
+ gr
KTgb LTQLv Q George
+ ET +
qp + LTQT +
=qd u=S Q lmJLa u{`Go
ETqp + MJCc LTQT +
LKfp )So + LTQT + + +
DPSt + +CPrum Q
+
DPSt +
ETmi + ET +
gr + + + 103P
+ + +
)So )So PJKu + + + EJgd 103O 093M
u=S + MJCc + +
+ P Nass
+ PJKu J
+
+ K
+
MJCc + + Part of 103P Hazelton
LTQLv PJKu + u
+ River
+ + + +
+
DPSt + LTQT
)Hp + Nass River
ETgr + PJKu
Q + CPgb ODRo
+ 30' LKqd lmJLa LTQT + + +
lmJLa CP CP + 30'
ETgr lmJLa LKqd + rum rum M Q
)So Q + lmJLa J
+ C lmJLa +
+ lmJLa + P
)So 0
Q + c + +
JKgd ET Q u=S + u=S gr + = 0 103K
lmJLa Q + um a +
ETgr + 103J 0
u=S + 093L
=gd c Dixon 103I u=S + 0
u=S PJKu CP EJgd u{`Go i Prince Smithers
+ rum
+ 0 f Entrance
LK v
qd ET JKgd Jgd + M + i Rupert Terrace L
)So qp 5
C+ CP J + rum + MJCc + LTQT P C c U + Q g 1
LKqd ETqp u=S LK 37 b c
T gr !( O L +
+
+
u=S =qd KSu PJKu + DPHq
+ MJCc
MJCc + c + PJKu `OKe
. !P Dease Lake + EJgd + e = + Boulder
u=S lmJLa qd =gd + a
+ MJCc
S =Jg u=S City + n +
DPSt +
CPrum =JTk
ET + !P
gr + MJCc
+ +
u=S + PJKu + ETgr = + ! + ET gd +
. gr +
u=S MJCc CP CPrum Vancouver
+ CP A
ETqp DPSt LTQLv LTQT + gb r IC
+ CP R
= =J LTQLv um gb + AME A gb g + CP
Q MJCc + rum + + + ES OF
Q + + AT
DPSt ETqp =qd lmJLa Q ED ST
+ + UNIT
+ MJCc
+
ETgr ETqp + MJCc + = + M VICTORIA
)So qd DPSt =gd + J \
DMgs =qd KSu Jdr lmJLa + C
=qd u=S + c C
+
+ P
)So DPSt MLJ PJKu + M ru + gd J m
)So Jdr Jsy Cc
+ +
+ =qd +
PJKu +
ETgr u=S Jgd + CPgb
+
)So DPSt +
+
+ + +
= ; + qd
LKqm u=S MLJgd lmJLa lmJLa + CPgb + +
0
+ +
u=S P+ JKu =qd +
Q +
0 + + u=S
ET )So )So u=S +
0 gr Q
+
+
+ MJCc
0 +
; + u=S +
+ KSu
+ lmJLa + +
+ + ; u=S
0 +
ET a Cariboo +
)So gr L lmJLa 5 + + Sheslay J LTQLv DPSt +
+ CP + + + gb
+ lmJLa CP +
1 ; m DPSt rum
+ MJ l !P Meadows
+ gd = + DM + + dr +
gs + DPSt ; + + = + DM qd ;
gs + ; =qd =gb ETs !P u=S
+
; + = + = u=S gb +
JKg ET qd EJgb EJqm + PJKu qp ; MJdg + CP
DMgs + ; )So u=S = u=S =qm rum ETgr dr =qd = + =qm
; ; qd ; EJgd = MJqm l + qm m + + J PJKu
DMgs Golden ETqp lmJLa La
ETqp Æ t
ETgr u=S MJqm =um M +
ETqp =qd Bear S u=S =qm JC
lmJLa c +
+
P +
= +
+ qm
; ; + +
+ ; +
ETgr D +
)So MJ +
LTQLv qm + +
+ + + Legend
DPSt +
+
DMgs Q + + +
+
MJ + +
u=S qm +
; MJdg Hyland Ranch + +
; ; =gb +
DM ET + + ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
gs qp =gb + u=S +
ETs + !P u=S + +
+ Mineral deposit (selected) Æ
+ +
MJqm + + u=S = +
+ qm PJKu+ lmJLa
; = + u=S u=S qd Q MJ +
Saloon DPSt u=S dg u=S + ET +
gr )So ; =qm =qm ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
JKg !P + P
ET ; u=S + + u=S lmJLa Q Populated place (unclassified) qp ;
+ + KSu + =qd Q LTQLv + lmJLa MJgd ; LTQLv =qm
=qd ETs =qm MJ LTQLv + qm
ET =Jg + u=S mJKBo gr + =qm MJqm
; = MJqm Fault JK ; qd
dr =qd u=S u=S MJ = mJKBo
Q KSu qm qm )So ; ETfp =qm ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
; EJ
+ EJgd gd Normal + )So ; u=S ; ; ; Hiusta MJqm LTQLv LTQT u=S DPSt LTQLv Meadow 0 JKdr ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! DPSt u=S 0
LTQLv Qv + Thrust (teeth on upper plate) + + + ET = + u=S qm 0 qp !P =qm DPSt = 0 ETgr ETqp ET + KSu u=S qm u=S !P 5 58°N u=S =gd gd =qd
=J 4 sy Days mJKBo 58°N Extension ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! 7 7 7 )So + Q u=S 1 DMgs )So u=S Qv DPSt = EJqd ET =Jg u=S !P Ranch + dr EJ gr Qv Tahltan LTv =dr gd LTv Unknown ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! KSu MJto KSu Q =gb DPSt =qd DPSt KSu u=S LTQLv LTv = =J u=S u=S MJ ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! qd g EJgr to River Road (unclassified) =Tg ETgr Q LTv u=S u=S tikine KSu lmJHz ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! =qd = LTQEz S DPSt Province of British Columbia border qd =Jg u=S Qv =dr DPSt DPSt =dg =qd LTQLv DPSt DP DCqd !P Q =dg St ; DCqd u=S = DCqd ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Telegraph Creek u=S dr QUEST-Northwest airborne geophysical survey outline
DPSt Q JT DPSt MJdr DCqd =Jqm =J LTQEz qp DPSt
=Jum um EJ KSu LTQEz Qv lmJSp ; Q dg LTQEz lmJSp
; ;
0 Glenora Q )So Iskut lmJHz
; ; * 0
Qv !P *
0 LTQLv EJ ; ;
!P Q lmJHz gr ; u=S ;
DM ; 0 gs
u=S Eddontenajon = ; ; ; KSu ;
dg ; ;
5 ; ; ; KSu ;
)So !P ; ; 4 =J =Jum KSu ; sy Qv ; ; ; ;
1 =J =Tg Qv g ; ; ETgr lmJHz K ; VOLCANIC AND SEDIMENTARY ROCKS INTRUSIVE ROCKS LTQT )So LTQEz lmJHz ; + ; =Jsy EJqm ; ;
Q l ;
EJdg JKdr a ; u=S + JK Qv
KSu dr DPSt p ; ; ; + EJ Cenozoic ; Paleozoic to Mesozoic Cenozoic
qm ; =T ; Y
p =Jg + g
DPSt u=S KSu Y
DM + D a ; ; + gs + u=S g +
DPSt EJ ; ; ; + JKdr qm n
ETgr + DPSt u=S + u=S
+ LTQEz JKdr ; Neogene to Quaternary Permian to Jurassic Early Tertiary: granodiorite (gd), granite (gr), quartz diorite (qd), + ;
+
+ KSu lmJHz ET
+ +
EJdg + ; + quartz monzonite (qm), quartz porphyry (qp), feldspar porphyry (fp),
+ Q
+ LTQEz =T ;
lmJHz g ;
+
+ JKdr + KSu ; ; ; ;
DMgs DPSt + ; Quaternary cover: Alluvium, glaciofluvial gravels and sand, till. Kutcho Formation, Sitlika Assemblage and possible equivalents: orthogneiss (og), migmatite (mi) and undifferentiated intrusive rocks (g).
lmJHz Q PJKu +
+
r D JKdr u=S Red Chris + g (Note: the extensive Quaternary deposits of the Rocky Mountain foothills Basaltic to rhyolitic schist, greenstone, pillowed metabasalt, heterolithic
e + mJKBo
+
v +
i +
DMgs Ch R + Æ ; ut G
ine JTqp + and the Peace River area have been omitted as they would completely breccia; slate, phyllite; banded siltstone, sandstone and conglomerate;
u=S R mJKBo G + D
+ dr lmJHz Q JKdr KSu JKg lmJHz + cover and obscure !Pthe bedrock geology.) minor limestone, marble, chert and green chloritic phyllite.
Qv u=S i
Q v ; ;
u=S + Qv e Mesozoic
JK + ;
+ g
+ )So DPSt u=S = r Q JKg qm mJKBo + + KSu =
DMgs KSu qd LTv Quaternary; volcanics including Blue Lake Volcanics, Lambly Creek
MJ lmJSp +
+ qm + Qv
+ + lmJHz Mississippian to Jurassic Cretaceous to Tertiary: gabbro (gb) and quartz diorite (qd).
+ u=S Basalt, Lake Island and Big Raven Formations: Basalt, olivine basalt,
+ =Jsy + KT + + +
+ ; +
+
+ ; lmJHz ; mJKBo ETgr lmJHz lmJHz ; unconso; lidated ash, scoria, agglomerate and breccia.
MJto Qv u=S mJKBo Q lmJSp lmJHz u=S + LTQLv + + Cache Creek Complex and equivalents: Greenstone, amphibolite, mafic O
+ t
O + S lmJSp + MJCc
DP ; ; + lmJSp 0 pillow lavas, volcanic breccia, agglomerate, tuff, rare felsic flows and
+ LTQEz ; 0 KSu ; ; LTQEz Mou;nt Edziza Complex: Aphyric trachyte and olivine, plagioclase and Late Cretaceous: granite (gr), quartz diorite (qd), quartz monzonite (qm)
MJ 0
R to KSu LTv mJKBo + + LTQEz tuffs; phyllite, siliceous phyllite, metachert, ribbon chert, chlorite schist, LK MJ Q lmJHz lmJSp LTv lmJSp 0 augite- phyric alkali olivine basalt, trachybasalt and hawaiite lava flows, and feldspar porphyry (fp). ET qm D ;
gr g 0
E EJgd + ; sandstone; micritic to clastic limestone, argillite, marble, dolomite; minor
DM 4
gs u=S ;
V ; D ; domes and pyroclastic breccia and ash flows; includes some fluvial g + 1 + I MJdr ; DMgs mJKBo Kinaskan lmJSp lmJSp ; + + serpentinite and mafic intrusions. L EJ LTQEz L R gd = ; gravel and glacial deposits.
um u=S mJKBo LTv LTv Early Cretaceous: granite (gr).
Lake + ; + + ; EK ;
; ; + DM DPSt DPSt ; u=S gs Q
MJ + qm KSu ;
mJKBo Level Mount; ain Group: Alkali olivine basalt, minor trachyte and rhyolite;
30' mJKBo lm 3; 0' ; + ETgr LTv J ; LTQLv ; H
DM EJgd Dg LTv z +
gs ; aphyric and olivine, plagioclase and augite- phyric, fine- grained basalt ; ;
; Paleozoic ; ;
EJ ; + Jurassic to Tertiary: granite (gr), quartz monzonite (qm),
gd JKdr m mJKBo ; ; + flows+ , in part columnar- jointed, locally vesicular or amygdaloidal; may JT
ETgr ;
; J ; ; mJKBo K LTv ; ; + quartz porphyry (qp) and feldspar porphyry (fp). KSu B +
EJgd ; include massive, fine- grained diabase sills. O
Qv o Big Salmon Complex, including the Teslin Tectonic Zone: Quartzite, ; ; ; ; lmJHz ; >Bs O
; ; lm LTv
; LTQEz
=J EJgd u=S J + + + ; ; ; ; phyllite, biotite- muscovite schist, marble, limestone, dolomite; chert;
sy + ;
; ; E ; H LTv ; ;
EJgd z lmJSp + T+uya Formation: Alkali olivine basalt, tuff, agglomerate, minor trachyte greenstone, andesite and basalt tuffite, tuff , wacke, rhyolite; quartz- Jurassic to Cretaceous: diorite (dr), granodiorite (gd),
N LTv + ;
; LTQT JK
DPSt I DPSt LTv ; ;
u=S ; + ; ; EJ ; DPSt ; + ; dg MJto KSu LTv + and rhyolite tuff and flows. albite- mica gneiss, albite- actinolite schist, quartz- chlorite- epidote- and undifferentiated intrusive rocks (g).
K ; ; MJ ; ; ; lmJSp
; to +
ETqp I D + ; + albite gneiss, meta- chert, calc- silicate schist, hornfels. g + ; + ETgr LTv mJKBo + ; + T +
DPSt ; ; ; E
E
= lmJHz ;
0 ; gb
DPSt S ; ; Unnamed Neogene volcanics: Olivine basalt necks, breccia and Jurassic: diorite (dr), granodiorite (gd), syenite (sy) and orthogneiss (og).
; ; + ; 0 ; ; LTv J + 0 EJ ; pillow flows, conglomerate. Dorsey Complex (includes Rapid River Tectonite): Green magnetite- 0 qd ; )So + >Dr 0
EJqd + u=S Schaft Creek Qv LTv LTv phyllite, chlorite schist, mafic schist, quartz- sericite schist, metachert, 4 +
EJ MJto u=S = ; ; ; JK ; 1 EJ EJgd qd qd Æ dr quartzite, limestone, quartz- plagioclase grit, quartz- feldspar schist, gd ; 37 Maitland Volcanics: Basalt breccia, vesicular basalt, volcanogenic
+ lmJHz JTqp Middle Jurassic: diorite (dr), monzodiorite (dg), gabbro (gb), granodiorite (gd),
EJdg ; Q LTQEz !( LTv LTQMl phyllite, pelitic schist, amphibolite, siliceous and gneissic tectonite. MJ
+ LTv
EJ ; ; sediments and pillow lava. quartz monzonite (qm) and tonalite (to).
EJ gd ; ; ; + dg ; + G ; = mJKBo mJKBo
qd JK )So G
D g ; g
+ u=S S + Q
EJ ;
dg = = ;
+ qd
; ; Middle to Late Jurassic: granodiorite (gd). u ;
+ DPSt LTv LTv Devonian to Permian
EJ MLJ
dg z
;
; ; Paleogene
= H + + + + gb m
+
J;
+ u=S q
+ J
+ ; Slide Mountain Complex and Antler Formation: Massive and pillowed EJdg m
= l
ET D JTqp DPSm -
gd ; = g =J - um ; Paleogene sediments including Chuckanut, Kitsilano, Slatechuk,
+ qm
+ basalt, breccia, tuff, diabase, minor diorite, gabbro and serpentinite; ; + + ETs
EJ ; ; Early Jurassic: diorite (dr), monzodiorite (dg), gabbro (gb), granodiorite (gd),
qd ; =um Tanzilla Canyon, Kishehn and Sophie Mountain Formations: chert, argillite, lithic sandstone, limestone, dacitic tuff and agglomerate, EJ
; granite (gr), quartz diorite (qd), quartz monzonite (qm) and feldspar porphyry (fp). =qd ;
; m Conglomerate, sandstone, siltstone, shale, marl, minor coal; minor ; black argillite, quartz- chert sandstone, varicoloured chert, rhodonite,
u=S ; ; ; JKB ; ; u=S o
u=S EJqd tuffs and tuffaceous siltstone; basalt. ; + calcarenite, phyllite, chlorite schist. ET ; Q
gr ; =Jqm LTv
ET ; ;
gd =gb Ddr ; Triassic to Tertiary: diorite (dr), granodiorite (gd), quartz diorite (qd)
DPSt =gd EJdg + ; +
; ; D JTqp =T
g ;
; ; + ; JTqp ; + EJ Sloko Group: Basal conglomera; te, coarse sandstone to siltstone, locally and undifferentiated intrusive rocks (g). Q + qd Nizi Formation and unnamed equivalents: Limestone, cherty limestone, Qv ; )So
EJ DPHq T
= ; qd qd + + carbonaceous; andesite to rhyolite flows, pyroclastics and derived T
Dg greywacke, minor conglomerate, maroon shale, siltstone; mafic to felsic DPSt ; + lmJHz Dg Ddr ; epiclastics, minor basalt. +
0 ; EJgr lmJHz volcanics, pillow basalt; black and green chert, argillite, schist, quartzite
= EJqd JTqp Triassic to Jurassic: diorite (dr), monzodiorite (dg), quartz
qm EJum + 0 =J =Jqm ; ; Galore Cr; eek u=S ; 0 metaconglomerate. monzonite (qm), syenite (sy) and undifferentiated intrusive rocks (g).
ETgd ETgd + LTQEz =Jsy 0 =J + mJKBo
sy z
; 5
Æ ; + Hart Peak Volcanics: Rusty- weathering trachyte and rhyolite flows,
DPSt H D
dr Q 3 DM EJdg J ; )Hp
gs ;
; 1 + ; pyroclastic flows, pyroclastic rocks, and related intrusions. ET S
gr ; lm Stikine Assemblage: Maroon and green tuff, lapilli tuff, volcanic
ETgd DPSt Triassic: diorite (dr), monzodiorite (dg), gabbro (gb), granodiorite (gd), S
=Jsy mJKBo ; =
;
; ; conglomerate, wacke; pyroxene- phyric agglomerate, breccia, pillowed quartz diorite (qd) and quartz monzonite (qm). ; lmJHz
; u=S ; and massive basalt flows, andesite, minor rhyolite and gabbro; siltstone,
EJdg Ddr ; DPSt ; EJdg u=S o sandstone and lesser chert; limestone, bioclastic limestone, calcarenite;
Ddr p B
; ; Mesozoic Mesozoic: ultramafites (um): EJum, =Jum, =um q t K foliated metamorphosed equivalents. ; Ddr T S J LTQEz D J ET g P u=S E gr m EJdg ; D E
=qm Ddr ; Cretaceous to Tertiary 57°N =qm Ddr ; 57°N =qd D MJdr DPSt ETgr dr Devonian to Mississippian ETgd D JTqp Sustut Group and unnamed equivalents: Sandstone, siltstone, mudstone,
g ; MJdr KSu
DPSt ; Bob Quinn Lake chert and quartz- pebble conglomerate, felsic ash- tuff, minor coal. Paleozoic
ETgr =T Earn Group: Argillite, slate, shale, locally carbonaceous and pyritic; chert, g ; DMEa ; u=S mJKBo !P Dg ; DPSt cherty mudstone; chert arenite and pebble conglomerate, polymicitic Permian: diorite (dr), granodiorite (gd), granite (gr), tonalite (to),
EJ P 0 conglomerate; limestone; nodular and bedded barite +/- sulphides.
u=S gd Dg Jurassic to Cretaceous diabase (db) and orthogneiss (og). DPSt ; 0 ; LTQMl W W 0 DPSt
0 =Jg =Jqm LTQMl
5 Bowser Lake Group: Heterolithic conglomerate, sandstone, siltstone, ; ;
3 mJKBo MJdr Carboniferous to Triassic: diorite (dr) and gabbro (gb).
1 u=S ; mudstone, shale, feldspathic wacke, minor coal; minor basalt and Ordovician to Devonian C= + LTQMl
DPSt DPSt andesite flow, breccia and tuff, dacitic lava flows, lapilli tuff.
=Jqm ; D Road River Group (may include some undifferentiated Earn Group): ; dr +
=Jg + LTQMl ODRo
+
+ Shale, slate, siltstone, chert, minor coarse clastics, limestone, dolomite, H
=T + H DPSt dr ; Ddr Q Carboniferous to Permian: gabbro (gb).
; Dqd rare tuffs. CP + Jurassic Fowler
!P lmJHz
MJdg ; ; mJKBo Lower to Middle Jurassic
+ Sandpile, McDame, Ramhorn and Otter Lakes Groups: Dolostone,
Ddr Dg ODSMR Mississippian: tonalite (to).
MJdr ; MJ LTQMl Hazelton Group; Griffith Creek and Hotnarko Volcanics: Calcalkaline dolomitic sandstone, limestone, shaly dolostone, carbonate breccia, M
dr T
; D + dr mJKBo lmJHz T
+ =Tdr =Jqm + mJKBo + basalt to rhyolite pyroclastics and flows, derived volcaniclastic minor calcareous siltstone, shale, quartzite, alkaline volcanics. MJdr =Tg D conglomerate, breccia, sandstone, siltstone, shale, minor limestone =T g Ddr =Tqd g and marl. Devonian to Permian: diorite (dr), gabbro (gb) and granodiorite (gd). Qv + DPSt Dqd DP ETg Cambrian to Ordovician
DPSt =Jg
ET DPSt Dg u=S Laberge Group: Conglomerate, diamictite, wacke, argillite, shale, R g =dr Dqd Qv lmJHz ; lmJLa Kechika Group; may include some undifferentiated Road River Group, R
u=S EJdg calcareous sandstone, chert- pebble conglomerate, minor limestone; `OKe ISKU Q u=S + Devonian to Carboniferous: granodiorite (gd), quartz diorite (qd)
T EJ Skoki Formation or Gog Group: Limestone, argillaceous limestone, pale DC
Stikine DPSt EJqm fp 0
u=S u=S + andesitic breccia and tuff. and quartz monzonite (qm).
; 0
u=S Q + = R DPSt + calcareous slate, phyllitic limestone, calcareous phyllite, pyritic and dr I 0 !P V + ;
EJdg ER DPSt + =Jg 0
=J Eskay + carbonaceous slate and shale; minor conglomerate, sandstone, greenstone
dg 0 ; u=S
u=S EJdg 3 Spatsizi Group and Abou Formation: Siliceous, well bedded,
u=S EJ EJdg mJKBo + and green tuff. Devonian: diorite (dr), gabbro (gb), quartz diorite (qd), quartz dg + Creek 1 lmJSp =Tgd Snip ; D EJdr Æ tuffaceous siltstone, siltstone, calcareous siltstone, tuff; calcareous
ETg monzonite (qm) and undifferentiated intrusive rocks (g). O
=J lmJHz JTgr O g Æ ; u=S DPSt + er to siliceous siltstone, limestone, concretionary shale. u=S EJ v Cambrian DPSt dg u=S i lmJHz mJKBo EJfp + R =Tg =Tgd u=S u=S lmJHz EJfp Paleozoic: granite (gr). u=S EJdg Atan Group: Orthoquartzite, siltstone, shale, sandstone; limestone; minor > =qm EJfp u=S `At gr
DPSt JTgr + Triassic to Jurassic dolostone, phyllite and conglomerate.
DPSt + +
ET
g +
EJdg +
+
EJ
fp N
+ Takla Group (may include deformed Asitka Group); Tezzaron Sequence;
EJdg N + =JTk + + + Paleozoic: ultramafites (um) and serpentinites (us):
Qv u=S
=dr and unnamed equivalents: Augite- phyric and aphyric basalt breccia,
=Tg +
+ C=um, CPrum, DMus, DPum, >um
EJdg u=S EJdg mJKBo
+ agglomerate, tuff, pillowed and massive flows; mafic to felsic tuff, ash Proterozoic to Paleozoic - ; +
- ; + =Jg EJqd tuff, lapilli tuff, breccia and conglomerate; tuffaceous argillite and siltite,
u=S +
+ + EJ 30' lmJHz fp 30' greywacke, conglomerate, sandstone, siltstone and chert; phyllite, Upper Proterozoic to Cambrian
+ EJ
ETg dr + t DPSt =Jdr phyllitic schist; limestone, minor skarn.
0 EJdg EJ S + fp
0 P JTqm + Gog and Boulder Creek Groups; Badshot (may include some METAMORPHIC ROCKS
Æ T
0 D u{`Go
+ + T 0 mJKBo undifferentiated Index Formation), Hota Mohican, Marsh Adams and
Qv Sulphurets EJ mJKBo 0 DPSt fp +
ET
3 g Triassic + Mount Ganier Formations, and unnamed equivalents: Limestone, JT Creek 1 gr JT mJKBo Paleozoic + fp siltstone, dolomite; quartzite, pebble conglomerate; alkalic to calc- DPSt lmJHz Upper Triassic alkalic basalt, andesite and dacite; mica schist, marble, amphibolite. Paleozoic: greenschist to lower- amphibolite facies rocks (gs, ml) DPSt Q = dr Q + DMgs, DMml, DMpg Qv k lmJHz Bowser Stuhini Group; Mosley and Mount Moore Formations, and unnamed and paragneiss (pg): S ETg u S n EJfp u=S DPSt U Lake equivalents: Mafic to intermediate lapilli tuff, ash, breccia and tuffite; ETqm massive, aphyric or plagioclase and augite- phyric flows and sills; Qv Proterozoic u=S felsic tuff ; tuffaceous siltstone, wacke, argillite, polymict conglomerate, Age Unknown JT gr limestone, shale; graphitic shale, rare black chert, ribbon chert. Upper Proterozoic Age unknown or poorly constrained: greenschist facies rocks (gs): E MJdr E D= u{Ig Ingenika Group: Quartzite, micaceous quartzite, pebble conglomerate, gs limestone, dolomite, oolitic and pisolitic limestone, shale, sandstone, wacke, ET mJKBo qm =qd =Jdr sandy limestone, phyllite, schist, gneiss, chlorite- muscovite schist, slate, Q argillite, micaceous crystalline limestone, marble, calcsilicate rock, U
amphibolite. U ETg Granduc 0 mJKBo 0 =Jdr !P 0
EJ 0 EJgd fp 5 2 Æ Granduc 1 Q Q
ETgd
EJ ETgd gd ETfp -
ETqm ETqm - JT qm 37A
(! JTfp Premier Meziadin lmJHz JTgr 0 !PÆ Lake
0 Premier
0 EJgd 0 C C 56°N 5 ET 2 qm 56°N
1 mJKBo ETqm EJdr
m q T B E ETqm B !P ETqm !(37
Stewart
N A S S
The geology data on this map is from the British Columbia Geology Survey and has been cartographically E E * prepared by Geoscience BC as part of a suite of maps for the QUEST-Northwest Project. ETfp Q
Mineral deposit data 0 R 0 MINFILE (2012): MINFILE B.C. mineral deposits database; B.C. Ministry of Energy and Mines, 0 C
I C V 0 URL
R 1 Geoscience BC is an industry-led, industry-focused, not for profit lmJHz Geology and topographic data society that works to attract mineral and oil and gas investment to Massey, N.W.D, MacIntyre, D.G., Desjardins, P.J. and Cooney, R.T. (2005): Digital Geology Map British Columbia through collection and marketing of geoscience data
u=S N of British Columbia: Whole Province; B.C. Ministry of Energy and Mines, Geofile 2005-1, URL www.geosciencebc.com N < http://www.empr.gov.bc.ca/Mining/Geoscience/PublicationsCatalogue/GeoFiles/Pages/2005 Q -1.aspx > [November 2007] mJKBo u=S MAP 2012-QNW-1-1 mJKBo Acknowledgments E GEOLOGY E
Cartography by Fion Ma, Geoscience BC I I lmJHz ETqm 0 ETg lmJHz
0 Geoscience BC is funded through grants from the Provincial Government of British Columbia. 0 0
0 QUEST-NORTHWEST PROJECT
2
1 ; 1:250 000 NTS SHEETS 104B,C,F,G,J,K
; C C
ETg ; PART OF 1:250 000 NTS SHEETS 103O,P; 104A,H,I,N,O,P
Dgb
30' ETg ; 30' ;
lmJHz ; Qv
Alice Arm Q
Jog !P ; 1 : 500,000
lmJHz Qv S ; Qv S Jog K; itsault !P Qv 0 5 10 15 20 25 50 km ET qm !P Anyox ETqm ET ETqm g Albers Projection, Central Meridian 126° W, Latitude of origin 45° N, First standard parallel 50° N, LTv ETqm O Second standard parallel 58.5° N, False easting 1,000,000; North American Datum 1983 O mJKBo
Jog J 0 Mean magnetic declination 2012, 20°45'E, decreasing 18.3' annually. Readings vary from og Qv 0 ETqm ETqm 0 19°57'E in the southeast corner to 21°21'E in the northwest corner of the map. 0 5 mJKBo E E 1 1 January 2012 ETgd )og ETgd Q Qv )og Qv D R A F T G G
550000 600000 650000 1150000 700000 750000 800000 !P New 30' 133°W 30' 132°W 30' 131°W 30' 130°W 30' 129°W Aiyansh
Kitwanga !P
!P Woodcock
Greenville !P
!P Cedarvale
+ + +
+
+ +
+ +