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Ministry of Energy Mines and Responsible for Core Review

093F 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
CRETACEOUS

Ksv

Andesite, tuff, breccia, argillite, arkose, conglomerate

LOWER CRETACEOUS

Iks

SKEENA GROUP: Conglomerate, greywacke, shale, coal, volcanic breccia
JURASSIC

MIDDLE JURASSIC

mJhv

HAZELTON GROUP (part), undivided; basalt, andesite, tuff, breccia greywacke, mudstone, conglomerate

LOWER JURASSIC

Ijhv

HAZELTON GROUP (part): Andesitic to rhyolitic tuff, breccia, flows, sediments

Ijhs

HAZELTON GROUP (part): Shale, conglomerate, greywacke

UPPER TRIASSIC AND LOWER JURASSIC

TrJt

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

UPPER TRIASSIC

uTrc

Limestone

PLUTONIC ROCKS

TERTIARY

Tg

Granodiorite, quartz diorite, quartz monzonite
CRETACEOUS AND/OR TERTIARY

Ktg

QUANCHUS INTRUSIONS: Granodiorite, quartz diorite, diorite, granite
JURASSIC

LATE JURASSIC (in whole or in part)

LJg

Granite, granodiorite, diorite

 

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

Tipper, H.W. (1963): Nechako River; Geological Survey of Canada, Map 1131A (Memoir 324), 1:253,440

See NECHAKO RIVER (093F) 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.