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Ministry of Energy Mines and Responsible for Core Review

092P Geological Legend

 

Bonaparte River

PLEISTOCENE TO RECENT

PIRal

alluvium, till
HOLOCENE

Hvb

basaltic volcanic rocks
 PLEISTOCENE TO HOLOCENE

PIHal

alluvium, till
PLEISTOCENE

Plvb

basaltic volcanic rocks

Plvk

alkaline volcanic rocks
 MIOCENE TO PLEISTOCENE
            CHILCOTIN GROUP

MiPlCsc

DEADMAN RIVER FORMATION coarse clastic sedimentary rocks

MiPlCvk

alkaline volcanic rocks
MIOCENE TO PLIOCENE

MiPiCvb

basaltic volcanic rocks
EOCENE
            KAMLOOPS GROUP

EKaC

CHU CHU FORMATION undivided sedimentary rocks

EKaCa

SKULL HILL FORMATION calc-alkaline volcanic rocks

EKav

undivided volcanic rocks

Evc

volcaniclastic rocks
CRETACEOUS

Kg

intrusive rocks, undivided

Kqm

quartz monzonitic intrusive rocks

Ksc

coarse clastic sedimentary rocks
LOWER CRETACEOUS
            SPENCES BRIDGE GROUP

lKSB

calc-alkaline volcanic rocks, undivided volcanic rocks
JURASSIC

Jgd

granodioritic intrusive rocks
MIDDLE JURASSIC TO LATE JURASSIC

MLJgd

granodioritic intrusive rocks
LOWER JURASSIC TO MIDDLE JURASSIC

ImJA

ASHCROFT FORMATION mudstone, siltstone, shale fine clastic sedimentary rocks

ImJs

undivided sedimentary rocks
LOWER JURASSIC
            NICOLA GROUP

IJNqz

quartzite, quartz arenite, sedimentary rocks

IJNva

andesitic volcanic rocks

IJNvc

volcaniclastic rocks
LATE TRIASSIC TO EARLY JURASSIC

LTrJgd

THUYA and TAKOMBONE BATHOLITHS granodioritic intrusive rocks

LTrJsy

SPOUT LAKE INTRUSIVE SUITE syenitic to monzonitic intrusive rocks

LTrJum

DUM LAKE INTRUSIVE COMPLEX ultramafic rocks
UPPER TRIASSIC TO LOWER JURASSIC
            NICOLA GROUP

uTrJN

undivided volcanic rocks

uTrN

undivided volcanic rocks
uTrNsf mudstone, siltstone, shale, fine clastic sedimentary rocks
uTrNvb basaltic volcanic rocks
MIDDLE TRIASSIC TO UPPER TRIASSIC

muTrN

undivided sedimentary rocks
PERMIAN TO TRIASSIC
            CACHE CREEK COMPLEX

PTrCM

MARBLE CANYON FORMATION limestone, marble, calcareous sedimentary rocks

PTrCsv

marine sedimentary and volcanic rocks
UPPER PALEOZOIC

UpzC

CROOKED AMPHIBOLITE serpentinite, ultramafic rocks
PENNSYLVANIAN TO PERMIAN
            FENNEL ASSEMBLAGE

PnPFU

UPPER STRUCTURAL DIVISION basaltic volcanic rocks
MISSISSIPPIAN
            EAGLE BAY ASSEMBLAGE
MEBS SLATE CREEK UNIT mudstone, siltstone, shale, fine clastic sedimentary rocks
DEVONIAN TO TRIASSIC
            HARPER RANCH AND(?) NICOLA GROUPS

DTrHsf

mudstone, siltstone, shale, fine clastic sedimentary rocks

DTrHvb

basaltic volcanic rocks
DEVONIAN TO PERMIAN
            FENNEL ASSEMBLAGE
DPF basaltic volcanic rocks
DPFL LOWER STRUCTURAL DIVISION marine sedimentary and volcanic rocks
DEVONIAN TO MISSISSIPPIAN
            EAGLE BAY ASSEMBLAGE

DMEBF

FOGHORN MOUNTAIN UNIT andesitic volcanic rocks
DEVONIAN
DEBD DIXON RIDGE UNIT basaltic volcanic rocks
DEBdr dioritic to gabbroic intrusive rocks
DEBus serpentinite ultramafic rocks
LOWER PALEOZOIC
IPzEBF FOREST LAKE UNIT greenstone, greenschist facies metamorphic rocks
PROTEROZOIC TO PALEOZOIC
            SHUSWAP ASSEMBLAGE
PrPzSog orthogneiss metamorphic rocks
HADRYNIAN TO PALEOZOIC
            SNOWSHOE GROUP
HaPzS metamorphic rocks undivided
HaPzSgs greenstone, greenschist facies metamorphic rocks
HADRYNIAN TO LOWER CAMBRIAN
            EAGLE BAY ASSEMBLAGE
HaCmEBG GRAFFUNDER LAKES UNIT quartzite, arenite, sedimentary rocks
Geological legend and base derived from:

Schiarizza, P., Panteleyev, A., Gaba, R.G., Glover, J.K.  (1994): Open File 1994-7 Geological Compilation of the Cariboo-Chilcotin area south-central BC, B.C. Ministry of Energy, Mines and Petroleum Resources

Schiarizza, P., Church, N. (1996): Open File 1996-20 (East Part), B.C. Ministry of Energy, Mines and Petroleum Resources

See Bonaparte River (092P) Summary Sheet for an overviews of the map areas and additional regional references.

Positions of all geological contacts are approximate. In the case of an apparent disagreement between an occurrence’s geological location on the map and its stratigraphic setting given in the MINFILE documentation, the latter should be given priority.