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Ministry of Energy Mines and Responsible for Core Review

092G Geological Legend

 

STRATIFIED ROCKS

CENOZOIC

QUATERNARY

PLEISTOCENE AND RECENT

Qs

Alluvial, marine and glacial deposits

TERTIARY AND QUATERNARY

PLIOCENE TO RECENT

TQG

GARIBALDI GROUP: Basalt to rhyodacite flows and pyroclastics, minor intercalated sediments

TERTIARY

EOCENE

EH

HUNTINGDON FORMATION: Sandstone, shale

MESOZOIC AND CENOZOIC

UPPER CRETACEOUS AND TERTIARY

CAMPANIAN TO EOCENE

KTKB

BURRARD AND KITSILANO FORMATIONS: Sandstone, shale and conglomerate; basalt flows, sills and dykes; minor tuff and coal

MESOZOIC

CRETACEOUS

UPPER CRETACEOUS

uKN

NANAIMO GROUP: Conglomerate, shale, sandstone

LOWER CRETACEOUS

IKH

HELM FORMATION: Argillite, quartzite, sandstone, conglomerate, limestone and arkose

IKFL

FIRE LAKE GROUP (INCLUDES BROKENBACK HILL AND PENINSULA FORMATIONS): Greenstone, slate, schist, greywacke, andesite

IKG

GAMBIER GROUP: Andesite to rhyodacite flows and pyroclastics, greenstone, argillite; minor conglomerate, limestone and schist

JURASSIC

JHL

HARRISON LAKE FORMATION: Felsic flows, porphyritic meta-andesite and meta-dacite; minor breccia

JC

CULTUS FORMATION: Pelite, sandstone, conglomerate

JBI

BOWEN ISLAND GROUP: Greenstone; minor chert and greywacke

TRIASSIC

UPPER TRIASSIC

uTrK

KARMUTSEN FORMATION: Basalt flows, pillow lava, pillow breccia, greenstone; minor limestone and shale

PALEOZOIC

PTI

TWIN ISLAND GROUP: Granulite, amphibolite, gneiss, schist

INTRUSIVE ROCKS

CENOZOIC - MESOZOIC

COAST PLUTONIC COMPLEX

g

Granite

gd

Granodiorite; leucocratic varieties of granodiorite, tonalite and quartz diorite

qd

Quartz diorite; leucocratic quartz diorite, minor granodiorite and tonalite

t

Tonalite; minor quartz diorite

qmd

Quartz monzodiorite; minor quartz diorite

d

Diorite; minor gabbro and quartz diorite

gb

Gabbro; minor diorite

ng

Migmatite

 

Geological map and legend from:

Roddick, J.A. and Woodsworth, G.J. (1979): Geology of Vancouver West Half and Mainland Part of Alberni; Geological Survey of Canada, Open File 611, 1:125,000

Roddick, J.A. and Armstrong, J.E. (1964): Pitt Lake (Vancouver, East Half); Geological Survey of Canada, Map 1151A (To accompany Geological Survey of Canada Memoir 335), 1:253,440

Lynch, J.V.G. (1990): Geology of the Glacier Lake Map (92G/16); Geological Survey of Canada, Open File 2203, 1:50,000

See VANCOUVER (092G) 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.