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Ministry of Energy Mines and Responsible for Core Review

094B Legend

 

Halfway River

CENOZOIC
TERTIARY AND QUATERNARY
     PLEISTOCENE AND RECENT

Qs

Gravel; sand; silt; clay; till
 
MESOZOIC
CRETACEOUS
     UPPER CRETACEOUS

uKD

DUNVEGAN FORMATION:  Sandstone, shale, minor conglomerate
 
     UPPER AND LOWER CRETACEOUS

KFSJ

FORT ST. JOHN GROUP:  Shale; sandstone; siltstone
 
     LOWER CRETACEOUS
           BULLHEAD GROUP (IKG AND IKc) 

IKG

GETHING FORMATION:  Sandstone; minor shale; coal; conglomerate

IKc

CADOMIN FORMATION:  Massive conglomerate; conglomeratic sandstone
 
     JURASSIC AND CRETACEOUS

JKM

MINNES GROUP:  Sandstone; shale
 
     JURASSIC

JF

FERNIE FORMATION:  Phosphatic and sideritic shale; siltstone; minor sandstone
 
     TRIASSIC

T1

TOAD, GRAYLING, LIARD, CHARLIE LAKE, BALDONNEL, PARDONET AND LUDINGTON FORMATIONS:  Siltstone; limestone; dolostone; sandstone
 
PALEOZOIC
CARBONIFEROUS AND PERMIAN

CP1

STODDART GROUP, KINDLE AND FANTASQUE FORMATIONS:  Shale; sandstone; limestone; siltstone; chert
 
CARBONIFEROUS
     LOWER CARBONIFEROUS

CP

PROPHET FORMATION:  Limestone; dolostone; chert; shale; siltstone
 
DEVONIAN AND CARBONIFEROUS
     UPPER DEVONIAN TO LOWER CARBONIFEROUS

DCB

BESA RIVER FORMATION:  Shale; calcareous shale and siltstone; siltstone; limestone
 
SILURIAN AND DEVONIAN

SD1

DUNEDIN, STONE, MUNCHO-McCONNELL AND NONDA FORMATIONS:  Dolostone; limestone; sandstone
 
ORDOVICIAN, SILURIAN AND DEVONIAN
     MIDDLE ORDOVICIAN TO MIDDLE DEVONIAN

OSDRR

ROAD RIVER GROUP:  Dolostone; limestone; sandstone
 
ORDOVICIAN
     LOWER AND MIDDLE ORDOVICIAN

OS

SKOKI FORMATION:  Dolostone; limestone; dolomitic siltstone; basaltic flows; pyroclastics
 
CAMBRIAN AND ORDOVICIAN
     UPPER CAMBRIAN AND LOWER ORDOVICIAN

eOK

KECHIKA GROUP:  Phyllitic, calcareous siltstone and shale; limestone; sandstone; minor volcanic beds
 
CAMBRIAN
     MIDDLE CAMBRIAN

ed

DOLOMITE UNIT:  Medium, crystalline dolostone; sandy dolomite
 
     LOWER CAMBRIAN

eG

GOG GROUP (Quartzite Unit):  Orthoquartzite; calcareous shale; silty quartzite; siltstone; shale
 
PROTEROZOIC
     UPPER PROTEROZOIC

PM

MISINCHINKA GROUP:  Phyllitic and schistose pelite; quartzite; limestone; dolostone

Geological legend and base compiled and simplified from:

Thompson, R.I. (1986):  Halfway River, British Columbia (094B); Geological Survey of Canada, Map 1634A, scale 1:250 000.

See Halfway  River (094B) 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.