MINISTRY OF ENERGY, MINES AND PETROLEUM RESOURCES
GEOLOGICAL SURVEY BRANCH

GEOLOGY OF THE KOOTENAY RIVERMAP-AREA

NTS 82 (and parts of 83C,D)

COMPILED BY T. HOY, A. LEGUN, B.N. CHURCH, G. GIBSON, K. GLOVER and J.O. WHEELER

CARTOGRAPHY BY J. CUNNINGHAM AND P. DESJARDINS

SCALE 1:500 000


INTRUSIVE ROCKS

CENOZOIC

Ti
HORNBLENDE-FELDSPAR PORPHYRY; Tg-GRANITE

EOCENE (AND PALEOCENE?)

mEc
CORYELL INTRUSIONS: BIOTITE MONZONITE, SYENITE
mEs
GRANITE; PEg; INCLUDES SHEPPARD INTRUSIONS, TUZO CREEK, SHINGLE CREEK (Eg)

PALEOCENE

Pgn
K-SPAR-QUARTZ MONZONITE; GRANITIC GNEISS

MESOZOIC

fp
FELDSPAR PORPHYRY; qm-QUARTZ MONZONITE; peg-PEGMATITE; grn; (AGES UNKNOWN)

CRETACEOUS

KTVg
OKANAGAN BATHOLITH: GRANITE AND GRANODIORITE; INCLUDES LADYBIRD (TERTIARY) AND VALHALLA INTRUSIONS
Kg
GRANITE, GRANODIORITE, MONZONITE, GRANITIC GNEISS (uKgn); INCLUDES WHATSHAN BATHOLITH (Kw, Kw1), GREENWOOD, WALLACE CREEK PLUTONS, KINNAIRD GNEISS (Kkgn), BATTLE RANGE BATHOLITH (Mbr); lKg; ANSTEY PLUTON (Kas)
Kq
QUARTZ MONZONITE, GRANODIORITE, QUARTZ DIORITE; Km-SYENITE; Ma-ALBERT STOCK; mKq

MIDDLE JURASSIC

mJgS
SIMILKAMEEN BATHOLITH: GRANODIORITE, KRUGER (mJsK) AND OSPREY LAKE INTRUSIONS (mJgO)
JgO
OKANAGAN INTRUSIONS; PROVIDENCE LAKE MICRODIORITE (Jmd) AND RELATED INTRUSIONS (JgOr), OLALLA INTRUSIONS (JsO)
mJp
PORPHYRITIC GRANITE, GRANODIORITE, MONZONITE; INCLUDES BONNINGTON PLUTON (mJb), TRAIL PLUTON (mJt), PENNASK BATHOLITH (EJp), FAIRVIEW AND OSOYOOS INTRUSIONS (JgF); mJg; SELKIRK STOCKS (Mf) AND ADAMANT PLUTON (Mg)
mJn
NELSON BATHOLITH AND RELATED STOCKS: PORPHYRITIC GRANITE, GRANODIORTIE
mJk
KUSKANAX BATHOLITH: MONZONITE; MINOR LEUCOSYENITE AND LEUCOGRANITE; (mJq)

LOWER JURASSIC

lJp
FELSPAR PORPHYRY, QUARTZ LATITE
lJsk
SILVER KING INTRUSIONS: PLAGIOCLASE PORPHYRY (LEUCODIORITE)
lJec
EAGLE CREEK PLUTONIC COMPLEX: METADIORITE, MONZONITE, MONZODIORITE, GABBRO; minor CLINOPYROXENITE; lJrm-ROSSLAND MONZONITE
PALEOZOIC

DEVONIAN

Djp
JOHNSON CREEK PLUTON; ICE RIVER COMPLEX (Dir); Dgn - GRANITIC GNEISS

MIDDLE PROTEROZOIC

mPp
HELLROARING CREEK STOCK: COARSE GRAINED GRANODIORITE, PEGMATITE, MINOR APLITE
um
SERPENTINIZED ULTRAMAFIC - AGE UNKNOWN
Pmi
MOYIE INTRUSIONS: DIORITE


LAYERED ROCKS

QUATERNARY

Qal
TILL, SAND AND GRAVEL

OKANAGAN HIGHLANDS

QUATERNARY

QvL
LAMBLY CREEK BASALT

MIOCENE/PLIOCENE

MvC
CHILCOTIN: NON-MARINE `PLATEAU BASALTS'
MvO
OLALLA RHYOLITE: RHYOLITE BRECCIA, OBSIDIAN

EOCENE

EP
PENTICTON: ALKALIC AND CALCALKALINE VOLCANICS, SILTSTONES (EPs); INCLUDES MARRON, KETTLE RIVER AND SPRINGBROOK FORMATIONS

MESOZOIC

TRIASSIC/JURASSIC

TrJv
BASIC AND INTERMEDIATE LAVAS, VOLCANICLASTICS; COMAGMATIC INTRUSIONS; INCLUDES ROSSLAND
TrJN
NICOLA: BASIC AND INTERMEDIATE LAVAS, VOLCANICLASTICS, INTERBEDDED SEDIMENTS

TRIASSIC

TrB
BROOKLYN: SHARPSTONE CONGLOMERATE, LIMESTONE, ARGILLITE AND MINOR VOLCANICS
uTri
INDEPENDENCE: GREENSTONE, SEDIMENTS, GREY CHERT
TrvA
APEX MOUNTAIN VOLCANICS: OLD TOM GREENSTONE, BRECCIA AND INTRUSIONS
Trsm
SHOEMAKER: DARK CHERT, ARGILLITE

PALEOZOIC

PERMIAN/CARBONIFEROUS

DTrH
HARPER RANCH: ARC CLASTICS, BASEMENT TO QUESNELLIA
PA
ATTWOOD: ARGILLITE, SANDSTONE, LIMESTONE, SOME SHARPSTONE CONGLOMERATE, GREENSTONE
CPA
ANARCHIST: CHLORITE SCHIST, GREENSTONE, CHERT, MINOR ULTRAMAFIC ROCK
CPK
KOBAU: SCHIST, CHLORITE SCHIST, QUARTZITE, AMPHIBOLITE, MINOR MARBLE
DTrB
BARSLOW ASSEMBLAGE: SLATE AND ARGILLITE
PC
CHAPPERON: SILICEOUS AND CALCAREOUS ARGILLITES, GREENSCHISTS

PERMIAN TO DEVONIAN?

DCK
KNOB HILL: RIBBON CHERT, ARGILLITE AND THIN LIMESTONE BANDS

PROTEROZOIC

PMgf
GRAND FORKS GNEISS / MONASHEE GNEISS: QUARTZ-BIOTITE GNEISS, QUARTZITE, MARBLE, AMPHIBOLITE

uPS
SHUSWAP TERRANE: MONASHEE COMPLEX (TERTIARY METAMORPHISM); SCHIST, GNEISS, PARAGNEISS


PURCELL AND SELKIRK MOUNTAINS

EOCENE

mEm
MARRON FORMATION: MAFIC VOLCANICS

CRETACEOUS

uKsm
SOPHIE MOUNTAIN: CONGLOMERATE, ARGILLITE

DEVONIAN TO EOCENE

tgn
TRAIL GNEISS

LOWER JURASSIC

lJR
ROSSLAND: MAFIC VOLCANICS, SILTSTONE
lJh
HALL: ARGILLITE, SILTSTONE
lJe
ELISE: MAFIC VOLCANICS
lJa
ARCHIBALD: ARGILLITE, SILTSTONE

JURASSIC - TRIASSIC

lJY
YMIR: ARGILLITE, SILTSTONE, LIMESTONE

TRIASSIC

TrS
SLOCAN: CARBONATE, ARGILLITE, SLATE

PALEOZOIC

lP
METASEDIMENTARY ROCK, LIMESTONE

PERMIAN TO CARBONIFEROUS

CPmr
MOUNT ROBERTS: SILTSTONE, ARGILLITE; ULTRAMAFICS (um)
gn
PARAGNEISS, ORTHOGNEISS, PEGMATITE
cgn
CASTLEGAR GNEISS
PK
KASLO: MAFIC VOLCANICS; SERPENTINITE (PKum)

UPPER MISSISSIPPIAN TO (?)PERMIAN

uMM
MILFORD: ARGILLITE, LIMESTONE, QUARTZITE, 

DEVONIAN

Dmf
MOUNT FORSTER: SHALE, LIMESTONE, QUARTZITE

CAMBRIAN TO DEVONIAN (?)

Deb
EAGLE BAY: Debc - CALCSILICATE GNEISS; Debm - MARBLE; Debq - QUARTZITE
lPL
LARDEAU: METASEDIMENTARY ROCKS
lPb
BROADVIEW: LIMESTONE, PHYLLITE, GRIT
lPj
JOWETT: GREEN PHYLLITE, GREENSTONE
lPa
TRIUNE: DARK SILICEOUS PHYLLITE AJAX: MASSIVE GREY QUARTZITESHARON CREEK: DARK SILICEOUS PHYLLITE
lPi
INDEX: MICACEOUS SCHIST, IMPURE MARBLE; (lPl - LADE PEAK FORMATION)
Pmi
MOUNT IDA: PARAGNEISS; QUARTZITE, MARBLE, CALCSILICATE GNEISS; PEGMATITE; ORTHOGNEISS

ORDOVICIAN

Oa
ACTIVE: ARGILLITE, QUARTZITE

CAMBRIAN

mCn
NELWAY: LIMESTONE, ARGILLITE
lCl
LAIB: PHYLLITE, ARGILLITE, SCHIST, QUARTZITE; INCLUDES REEVES (BADSHOT) 
lCec
EAGER AND CRANBROOK FORMATIONS
Ce
EAGER: ARGILLITE, SILTSTONE
Cc
CRANBROOK: QUARTZITE, ARGILLITE

CAMBRIAN (LOWER)

lCb
BADSHOT (LOCALLY INCLUDES MOHICAN): MARBLE, DOLOMITE, LIMESTONECdo: DONALD
lCm
MOHICAN (LOCALLY INCLUDES BADSHOT):PHYLLITE, MICACEOUS QUARTZITE, LIMESTONE

UPPER PROTEROZOIC (TO LOWER CAMBRIAN)

lCH
HAMILL GROUP (RENO, QUARTZITE RANGE): QUARTZITE
lCma
MARSH ADAMS, MOUNT GAINER: QUARTZITE

UPPER PROTEROZOIC

uPW
WINDERMERE SUPERGROUP (UNDIVIDED); uPWb-BASAL 
uPHC
HORSETHIEF CREEK: PHYLLITE, QUARTZITE, GRIT: uPHC6-UPPER CLASTIC; uPHC5-MIDDLE MARBLE; uPHC4- SEMIPELITE-AMPHIBOLITE; uPHC3- LOWER MARBLE; uPHC2-LOWER PELITE; uPHC1- GRIT
uPMC
MICA CREEK SUCCESSION (EQUIVALENT OF HORSETHIEF CREEK): uPMC6-UPPER CLASTIC; uPMC4-SEMIPELITE-AMPHIBOLITE; uPMC2-LOWER PELITE; uPMC1-GRIT
uPM
MIETTE: SANDSTONE, ARGILLITE, CONGLOMERATE; uPMu-UPPER, INCLUDES BYNG; uPMm-MIDDLE, INCLUDES OLD FORT POINT; uPMp-LOWER TO MIDDLE; uPM1-LOWER PHYLLITE
uPW
THREE SISTERS, MONK AND IRENE FORMATIONSuPWb: UNDIFFERENTIATED BASAL WINDERMERE
uPts
THREE SISTERS: GRIT, QUARTZITE
uPm
MONK: PHYLLITE, QUARTZITE
uPi
IRENE: GREENSTONE
uPt
TOBY: CONGLOMERATE

MIDDLE PROTEROZOIC

PURCELL SUPERGROUP
mPmn
MOUNT NELSON: QUARTZITE, DOLOMITE
mPup
NICOL CREEK; SHEPPARD, GATEWAY, PHILLIPS, ROOSVILLE FORMATIONS (CORRELATES WITH DUTCH CREEK)
mPdc
DUTCH CREEK: SILTSTONE, ARGILLITE, QUARTZITE, DOLOMITE
mPnc
NICOL CREEK: BASALTIC TO ANDESITIC FLOWS
mPvc
VAN CREEK: SILTSTONE, QUARTZ WACKE
mPk
KITCHENER: DOLOMITE, DOLOMITIC SILTSTONE
mPc
CRESTON: SILTSTONE, ARGILLITE, QUARTZITE; LOWER: mPc1  
mPa
ALDRIDGE: SILTSTONE, WACKE; UPPER: mPa3; MIDDLE: mPa2; LOWER (mPa1) 
mPf
FORT STEELE: QUARTZITE, MINOR SILTSTONE
Pwa
ALTYN, WATERTON (CORRELATES WITH ALDRIDGE)

LOWER PROTEROZOIC

lPgn
BASEMENT GNEISSES; INCLUDES MOUNT BLACKMAN AND HUGH ALLEN GNEISSES


ROCKY MOUNTAINS (PURCELL MOUNTAINS)

TERTIARY

Tk
KISHENIN: MUDSTONE, MARL, SILTSTONE

LOWER CRETACEOUS TO TERTIARY

uKT
WILLOW CREEK: SANDSTONE, SHALE
uK
ALBERTA: SILTSTONE, SANDSTONE
Kb
BLAIRMORE GROUP, CROWSNEST: SANDSTONE, SILTSTONE; TUFFS

JURASSIC AND CRETACEOUS

JKk
KOOTENAY: SANDSTONE, SILTSTONE, COAL

JURASSIC

JF
FERNIE: SHALE, SANDSTONE; LIMESTONE

TRIASSIC

Tsr
SPRAY RIVER: CALCAREOUS SILTSTONE, ORTHOQUARTZITE, SHALE

PENNSYLVANIAN AND PERMIAN

PPrm
ROCKY MOUNTAIN: DOLOMITIC SILTSTONE; SANDY DOLOMITE; ORTHOQUARTZITE AND LIMESTONE

MISSISSIPPIAN

MR
RUNDLE GROUP (ETHERINGTON, MOUNT HEAD AND LIVINGSTONE): DOLOMITE, LIMESTONE, CHERT
Mb
BANFF, EXSHAW: CARBONATE, SHALE

DEVONIAN

Dp
PALLISER: LIMESTONE, DOLOMITE 
DF
FAIRHOLME GROUP (INCLUDES SASSENACH, ALEXO): CARBONATE, SILTSTONE, ORTHOQUARTZITE
Dch
CEDARED, BURNAIS AND HARROGATE: DOLOMITE, SANDSTONE, LIMESTONE, GYPSUM, SHALE(Dbf: BASAL DEVONIAN UNIT)

MIDDLE SILURIAN TO MIDDLE DEVONIAN

SDs
SHALE; LIMESTONE; CONGLOMERATE; VOLCANICS

UPPER ORDOVICIAN TO MIDDLE SILURIAN

OSbw
BEAVERFOOT: DOLOMITE, CHERT, SHALE; MOUNT WILSON: QUARTZITE AND SANDSTONEGLENOGLE: SHALE, SILTSTONE, LIMESTONE;MAY INCLUDE OWEN CREEK, SKOKI, OUTRAM AND SURVEY PEAK (OSS)
OSb
BEAVERFOOT: DOLOMITE, CHERT, SHALE; 

ORDOVICIAN

Ogw
MOUNT WILSON: QUARTZITE, QUARTZ SANDSTONE
SKOKI: DOLOMITE, SANDSTONE
TIPPERARY: QUARTZITE, SANDSTONE
GLENOGLE: GRAPHITIC SHALE, SILTSTONE, LIMESTONE, SANDSTONE;(MAY INCLUDE SURVEY PEAK AND LYELL)

CAMBRIAN TO SILURIAN

COmb
McKAY GROUP AND BEAVERFOOT FORMATION

CAMBRIAN AND ORDOVICIAN

COm
McKAY: ARGILLITE, SHALE, LIMESTONE
CO
UNDIVIDED SHALE, LIMESTONE, DOLOMITE, SILTSTONE, QUARTZITE; Ccp-UNDIVIDED PLATFORMAL ROCKS
upper to MIDDLE CAMBRIAN
Clm
MISTAYA, BISON CREEK, LYELL 
Csu
SULLIVAN FORMATION
muC
JUBILEE (Cj); LYELL, SULLIVAN;ARCTOMYS, WATERFOWL (Cwa); ELDON (Cel), PIKA (Cpi), STEPHEN, MOUNT WHITE (Cps); CATHEDRAL (Cca): LIMESTONE, DOLOMITE, SHALE; TANGLEFOOT, ELKO, GORDON
Csi
SNAKE INDIAN: (Canoe River Sheet)
Cot
OTTERTAIL: MASSIVE DOLOMITE, LIMESTONE
Cj
JUBILEE: MASSIVE GREY TO WHITE DOLOMITE
mCch
CHANCELLOR: RED AND BROWN SHALE, LIMESTONE; Ccu-UPPER, Ccm-MIDDLE, Ccl-LOWER;Ckb: KINBASKET UNIT; Ctc: TSAR CREEK UNIT
mCf
FLATHEAD, ELKO: SANDSTONE, DOLOMITE
C?m
MARBLE, SCHIST; Age unknown

LOWER CAMBRIAN

lCG
GOG: SANDSTONE AND QUARTZITE; SILTSTONE
lCmh
MAHTO 
lCec
EAGER (Ce); CRANBROOK (Cc): SHALE, LIMESTONE, QUARTZITE AND MAGNESITE

UPPER PROTEROZOIC AND LOWER CAMBRIAN

uPmc
MURAL AND McNAUGHTON (INCLUDES JASPER, uPj)
MONASHEE MOUNTAINS

PROTEROZOIC TO (?) LOWER PALEOZOIC

uPS
SHUSWAP COMPLEX
PM
MONASHEE COMPLEX (UNITS ARE NOT IN STRATIGRAPHIC ORDER); PMp: LAYERED PARAGNEISS, SCHIST, QUARTZITE;PMcs: CALC-SILICATE GNEISS, AMPHIBOLITE, CARBONATITE, MARBLE;PMq: QUARTZITE, SCHIST; PMmq: MARBLE, THIN-BEDDED QUARTZITE, SCHIST; PMpp: PARAGNEISS, SOME PEGMATITE, AMPHIBOLITE; PMm: MARBLE; PMa: AMPHIBOLITE
PMo
GRANITIC ORTHOGNEISS
PM3
QUARTZITE, MICACEOUS SCHIST, CALCSILICATE GNEISS
PM2
SCHIST, CALCSILICATE GNEISS; MARBLE, AMPHIBOLlTE, NEPHELINE SYENITE, MOUNT GRACE CARBONATITE
PM1
BASAL UNIT (PM1q - BASAL QUARTZITE)

LOWER PROTEROZOIC

lPogn
CORE (BASEMENT) ORTHOGNEISS
lPpgn
CORE (BASEMENT) PARAGNEISS
