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Ministry of Energy Mines and Responsible for Core Review

093K Geological Legend

 

STRATIFIED ROCKS

TERTIARY

MIOCENE AND PLIOCENE

MPvb

Olivine basalt flows, breccia, tuff

OLIGOCENE AND MIOCENE

OMe

ENDAKO GROUP: Andesite, basalt, dacite

UPPER CRETACEOUS AND LOWER TERTIARY

KTol

OOTSA LAKE GROUP: Rhyolite, dacite, trachyte, sandstone, shale, conglomerate

KTs

SUSTUT GROUP: Conglomerate, shale, greywacke
JURASSIC

LOWER JURASSIC

HAZELTON GROUP

IJtn

TELKWA FORMATION: Basalt, andesite, breccia, tuff, shale, siltstone

lJhv

Andesitic to rhyolitic tuff, breccia, flows, sediments

Ijhs

Shale, conglomerate, greywacke

UPPER TRIASSIC AND LOWER JURASSIC

TrJt

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

MISSISSIPPIAN TO TRIASSIC

CACHE CREEK GROUP

PPcc

Limestone, minor chert, argillite, greenstone

PPcs

Ribbon chert, black argillite, limestone, greenstone

PLUTONIC ROCKS

JURASSIC

LATE JURASSIC

LJg

FRANCOISE LAKE INTRUSIONS: Granite, granodiorite, quartz diorite, quartz monzonite

LJd

FRANCOISE LAKE INTRUSIONS: Diorite

EARLY JURASSIC

EJg

TOPLEY INTRUSIONS: Quartz monzonite, granodiorite

PERMIAN TO MIDDLE TRIASSIC

Ptrub

TREMBLEUR INTRUSIONS: Peridotite, dunite, pyroxenite, serpentinite

 

Geological map and legend 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

Wheeler, J.O. and P. McFeely (compilers)(1987): Tectonic Assemblage Map of the Canadian Cordillera; Geological Survery of Canada, Open File Map 1565, 1:2,000,000

Armstrong, J.E. (compiler)(1948): Fort St. James; Geological Survey of Canada, Map 907A, 1:380,160 NTS 093K,N

Armstrong, J.E. (1941): Fort Fraser (West Half); Geological Survey of Canada, Map 631A, 1:253,440 NTS 093K

Gray, J.G. (1941): Fort Fraser (East Half); Geological Survey of Canada, Map 630A, 1:253,440 NTS 093K

See FORT FRASER (093K) Summary Sheet for an overview of the map area 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.