26

part of the Castle Mountain group then known to contain members ranging
in age from Middle Cambrian to Ordovician’.

Dolmage also mapped similar beds west of Finlay River Valley.
Armstrong and Roots (1948) have mapped Lower Cambrian limestone on
the west side of Finlay River Valley on Mount Tsaydizkun.

TABLE I

Correlation Table—Proterozoic and Paleozoic of Northeastern
British Columbia and Mackenzie River Valley, Northwest Territories

. : Sikanni Alaska . Lower
Pine Peace Haltway Chief Highway, diard Mackenzie
River River River Riven Rocky Mts Plateau Valley
S Calcareous
a sandstone;
I limestone
aa ot Stott Chert , _|Sandstone,
(Kindle) chert, shale,
—|- limestone
Limestone, of Mount
black Merrill
shale;
g quartzite, Chert
8 between (Kindle)*
Ay Callazon
and
Mountain
Creeks
Dark lime- Dark lime- |Limestone,
‘ stone of stone, silty
a Fossil silty arenaceous
3 Point limestone,| limestone,
chert chert
(Kindle) *
Black shale Imperial
(Fort —
Creek)* Fort Creek
Coralline
limestone,
dark lime- Ramparts
stone (Ram-
3 parts) *
S Limestone |Dark lime- Grey, black,
Ay of Murray] stone of hard, silty
A Range island limestone
west of (Muncho)*
Point
z Creek Grey, black,
hard lime-
stone (Mc-
Connell) *
Limestone,
5 coralline
a limestone,
3 dolomite, Ronning
a quartzite,
shale
(Ronning)*

ete SEES LEILA ss ERE PBN GST

*Formation and group names used by Laudon and Chronic, 1947, 1949.