Paleozoic Late Triassic Early-mid J CCP Late K.

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Transcript of Paleozoic Late Triassic Early-mid J CCP Late K.

Paleozoic

Late Triassic

Early-mid J

CCP

Late K

Eocene

Neogene

Quaternary

Chilcotin Mts square

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Last Creek Fm

RelayMountain Gp

Cadwallader, Tyaughton Gps

Bridge River Gp

Chilcotin Gp

Quaternary

Neogene

Ootsa Lake Group

Mid to Late K volcanic successions(Powell Creek Group/Spences Bridge)

Taseko River strata

Jackass Mt. Gp

Taylor Creek Gp

Silverquick conglomerate

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

F

Lizard FmDash FmParadise Fm

Aptian

Simplified Stratigraphy of the Chilcotin Mountains

Albian time schematic cartoon of relative positions of the Tyaughton and Methow basins and inferred sediment

sources

from Garver (1992)

Relay Mountain

area

Taylor

basin area

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Last Creek Formation

Hettangian to Bajocian black shales and siltstones with

tuffaceous layers

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Last Creek Formation

RM Callovian Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Relay Mountain Group

Callovian shales

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

upper Relay Mountain GroupOxfordian to HauterivianBrown sandstones with abundant buchia and belemnite fossils

Tepee Mountain

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Last Creek Fm

RelayMountain Gp

Cadwallader, Tyaughton Gps

Bridge River Gp

Chilcotin Gp

Quaternary

Neogene

Ootsa Lake Group

Mid to Late K volcanic successions(Powell Creek Group/Spences Bridge)

Taseko River strata

Jackass Mt. Gp

Taylor Creek Gp

Silverquick conglomerate

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

F

Lizard FmDash FmParadise Fm

Aptian

Simplified Stratigraphy of the Chilcotin Mountains

Paradise type sectionTertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Taylor Creek Group – Paradise Fm

Paradise

Paradise congl Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Taylor Creek Formation – Paradise Fm

Paradise

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Taylor Creek Group – Paradise Fm

Paradise

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Taylor Creek Group – Albian Dash Fm

Dash

Dash, Lizard, Cinnabar Ck section

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Dash Fm

Base of Lizard Fm

Top of Lizard Fm

Bridge River Complex

Dash

Lizard

SQ outcrop Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Silverquick Formation

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Taseko River strata

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Last Creek Fm

RelayMountain Gp

Cadwallader, Tyaughton Gps

Bridge River Gp

Chilcotin Gp

Quaternary

Neogene

Ootsa Lake Group

Mid to Late K volcanic successions(Powell Creek Group/Spences Bridge)

Taseko River strata

Jackass Mt. Gp

Taylor Creek Gp

Silverquick conglomerate

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

F

Lizard FmDash FmParadise Fm

Aptian

Simplified Stratigraphy of the Chilcotin Mountains

AlbianJackass

Mt. Gp

Early Cretaceous F

Aptian

> 5000 m

Lillooet viewAlbian

Jackass Mt. Gp

Early Cretaceous F

Aptian

> 5000 m

Highway 1- JM conglAlbian

Jackass Mt. Gp

Early Cretaceous F

Aptian

> 5000 m

Jackass Mountain Albian conglomerate

Bella Coola hwy Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Chilcotin Fm flood basalts

Tepee Mt top

Columnar Chilcotin basalts, peak of Tepee Mountain

Cardtable MountainTertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Flat-lying

Chilcotin basalts

Folded and faulted

Jura-Cretaceous strata

51 00N

51 30N

123 30 W 122 30W

Piltz Peak

Cardtable Mountain

Cardtable Mountain Piltz Peak

Chilcotin Valley

Bella Coola Highway

Topographic profiles showing tilted and warped Neogene basaltic mantle

from Mathews (1989)

Cardtable Mountain

Relay Mountain

Tepee Mountain

Piltz Peak

Looking west

Tertiary

Albian

Late Cretaceous

Neocomian

UpperJurassic

UpperTriassicLatePaleozoic

Early to MiddleJurassic

Quaternary

Neogene

Early Cretaceous

v v v

v v v

F

F

F

F

F

F

Aptian

Flat-lying

Chilcotin basalts

Folded and faulted

Jura-Cretaceous strata

Cardtable Mountain