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Ministry of Energy Mines and Responsible for Core Review

093M Geological Legend

 

Hazelton

STRATIFIED ROCKS

CENOZOIC
QUATERNARY
     PLEISTOCENE AND RECENT
Qal Till, gravel, sand, silt, alluvium

TERTIARY

     EOCENE AND TERTIARY
Eo Rhyolite, dacite, basalt, intercalated and related sedimentary rocks (includes OOTSA LAKE GROUP, MORICETOWN sediments and volcanics, TZEZAKWA CREEK sediments)
MESOZOIC
CRETACEOUS
     UPPER CRETACEOUS
uKK KASALKA GROUP: Andesitic to rhyolitic flows, breccia, tuff, intercalated sedimentary rocks - related sills, dikes and intrusive domes (includes BRIAN BORU FORMATION, SUSKWA volcanics, CRONIN volcanics and FRENCH PEAK volcanics)

     LOWER TO UPPER CRETACEOUS

KT SUSTUT GROUP: Conglomerate, shale, greywhacke (TANGO CREEK FORMATION)
Ks SKEENA GROUP: Conglomerate, greywhacke shale, coal, carbonaceous units volcanic breccia flows tuff lahar areenstone (includes RED ROSE FORMATION, ROCKY RIDGE FORMATION, HANAWALD conglomerate, KITSUMRALUM shale and KITSUNS CREEK FORMATION)
     MIDDLE JURASSIC TO LOWER CRETACEOUS
uJKB BOWSER LAKE GROUP: conglomerate, greywqcke, siltstone, shale and argillite- minor coal carbonaceous units and volcanic rocks (includes NETALZUL and TROUT CREEK FORMATIONS)

JURASSIC

     MIDDLE AND UPPER JURASSIC

HAZELTON GROUP AND BOWSER LAKE GROUP
mJSA SMITHERS AND ASHMAN FORMATIONS: Shale, greywacke, breccia, tuff, conglomerate

     LOWER JURASSIC

HAZELTON GROUP
IJTN Basalt, andesite, breccia, tuff, shale, siltstone (includes TELKWA FORMATION, NILKINWA FORMATION AND SADDLE HILL volcanics)

TRIASSIC

     UPPER TRIASSIC

TRT TAKLA GROUP (STUHINI GROUP, SAVAGE MOUNTAIN FORMATION): Andesite, basalt, tuff, breccia, conglomerate, greywacke, shale, limestone

PALEOZOIC

CARBONIFEROUS AND PERMIAN (possibly some UPPER TRIASSIC)

CIPC CACHE CREEK GROUP: Metasedimentary rocks, schist, greenstone, serpentine

PLUTONIC ROCKS

CENOZOIC
TERTIARY
     EARLY TERTIARY
ETP BABINE, KASTBERG AND NANIKA INTRUSIONS: Mainly porphyritic rocks with biotite, homblende and feldspar phenocrysts, diorite, granodiorite, quartz monzonite, rhyolite
MESOZOIC
CRETACEOUS
     LATE CRETACEOUS
LKg Quartz monzonite, granodlorite, quartz diorite, porphyritic and aphanitic equivalents, minor granite, monzonite, gabbro (mainly BULKLEY INTRUSIONS)
JURASSIC AND EARLIER
     LATE TRIASSIC TO JURASSIC
EJg Quartz diorite, diorite, minor granite (OMINECA AND TOPLEY INTRUSIONS)
Geological legend and base derived from:

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

Richards, T.A. (1990): Geology and Mineral Deposits of Hazelton Map Area (93M), British Columbia; Geological Survey of Canada, Open File 2322, Sheets 1 and 2, 1:250,000

Carter, N.C. (1981): Porphyry Copper and Mo!ybdenum Deposits, West-central British Columbia; B.C. Ministry of Energy, Mines and Petroleum Resources, Bulletin 64, Figure 8, 1:500,000

 

See  Hazelton (093M) 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.