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Ministry of Energy Mines and Responsible for Core Review

093A Geological Legend

 

STRATIFIED ROCKS

QUATERNARY

RECENT

Rvb

Basalt flows, breccia, cinder cones
TERTIARY AND QUATERNARY

PLIOCENE AND PLEISTOCENE

PPvb

Olivine basalt, cinder cones, breccia
TERTIARY

MIOCENE AND PLIOCENE

MPvb

Olivine basalt flows, breccia, tuff

OLIGOCENE AND MIOCENE

OMe

ENDAKO GROUP: Andesite, basalt, dacite

PALEOCENE, EOCENE, OLIGOCENE

ITs

Conglomerate, sandstone, shale, tuff, breccia
JURASSIC

LOWER AND MIDDLE JURASSIC

Js

Shale, greywacke, conglomerate

UPPER TRIASSIC AND LOWER JURASSIC

TrJt

NICOLA OR TAKLA GROUP: Andesite, basalt, tuff, breccia, conglomerate, greywacke, shale, limestone

uTrp

QUESNEL RIVER GROUP: Black phyllite, siltstone limestone, quartzite
MISSISSIPIAN TO TRIASSIC

CACHE CREEK GROUP

PPcs

CACHE CREEK GROUP: Ribbon chert, black argillite limestone, greenstone
MISSISSIPPIAN TO PENNSYLVANIAN

SLIDE MOUNTAIN GROUP

Msm

Basalt, breccia, tuff, chert, argillite, sandstone limestone, conglomerate
CROOKED AMPHIBOLITE: Chlorite schist amphibolite, serpentinite, ultramafic rocks

Mg

GUYET FORMATION: Conglomerate, argillite, sandstone, minor basalt
DEVONIAN

LOWER DEVONIAN

IDbs

BLACK STUART: Siliceous argillite, quartzite, limestone, chert breccia
CAMBRIAN

LOWER CAMBRIAN

CARIBOO GROUP

Icq

YANKS PEAK AND MIDAS FORMATION: Quartzite, shale, phyllite

Icc

MURAL FORMATION: Limestone, dolomite, siltstone, sandstone
HADRYNIAN AND PALEOZOIC

Hps

Undivided sedimentary and metasedimentary rocks of Hadrynian to Lower Devonian age
HADRYNIAN

CARIBOO GROUP

Hcy

CUNNINGHAM AND YANKEE BELLE FORMATIONS: Limestone, dolomite, shale, quartzite

Hi

ISAAC FORMATION: Phyllite, schist, sandstone, conglomerate, limestone

KAZA OR SNOWSHOE GROUPS

Hk

Sandstone, conglomerate, grit, phyllite, schist, quartzite, amphibolite, marble, gneiss

PLUTONIC ROCKS

CRETACEOUS

EARLY CRETACEOUS

EKg

NAVER INTRUSIONS: Quartz monzonite, syenite, monzonite, granodiorite, diorite
JURASSIC AND/OR CRETACEOUS

Jkgd

Granodiorite, quartz diorite,minor granite
TRIASSIC

LATE TRIASSIC

LTrg

TAKOMKANE BATHOLITH and bodies of similar age and
lithology: granodiorite, quartz diorite, quartz monzonite
PERMIAN AND/OR TRIASSIC

PERMIAN TO MIDDLE TRIASSIC

Ptrub

TREMBLEUR INTRUSIONS: And similar bodies: peridotite, dunite, pyroxenite, serpentinite
AGE UNKNOWN

gn

QUESNELL LAKE GNEISS: Augen granite, gneissic biotite granodiorite, calc-silicate gneiss

SHUSWAP METAMORPHIC COMPLEX

n-s

Sillimanite gneiss and schist, granitoid gneiss, pegmatite, amphibolite, marble

Geological legend and base derived from:

Tipper, H.W., R.B. Campbell, G.C. Taylor and D.F. Stott (compilers) (1974): Parsnip River, Sheet 93; Geological Survey of Canada, Map 1424A, 1:1,000,000

Campbell, R.B. (1962): Quesnel Lake (East Half); Geological Survey of Canada, Map 42-1961, 1:253,440

Campbell, R.B. (1961): Quesnel Lake (West Half); Geological Survey of Canada, Map 3-1961, 1:253,440

See QUESNEL LAKE (093A) 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.