TERTIARY

i A ae A LS tu Oe Mn Lou aterie hyn cite u ON Ni cep eint eh aN Male eli each

MESOZOIC
CRETACEOUS

'

PALZ.OZOIC

PRE CAMBRIAN

/ Carada
Aepartment of Mines

HoNn.SiR JAMES A.LOUGHEED, MINISTER; CHARLES CAMSELL, Deputy MINISTER.

GEOLOGICAL SURVEY
W.H.COLuLINS, DIRECTOR.

Re-issued with additions and corrections,1921.

u5

“Clyon PiPicre
2

Darnie
Bay”:

rol B.

Ande 3

eed Gao

Ce L

wt fs . Aas ' ii
cen eras -_ - 3 Ler,, é Papo er ini din oe

Kathawachaga Lb,

Y

a \ Contwoyl? L.
&
@
é>
Paskapoo Tertiary eae : Sin ,
zs (not subdivided.) ~~ 5 Bsr P a = Foo
cite - \ Lac dé Of
é - gine —--o Ree Se as ‘ Be : . inter I
Edmonton and Wapiti River : hs ace" eden pe keene S ; Bee, oy \ : : 2
Athabaska River Peace River ; i ~ GN og 1,
Section Section is i z Ieee ; } y ; ;
Upper La Biche Smoky River :
Camsell L.
Lower La Biche
: roche L.
Pelican sandstone cr Nez Cree
etaceou
| (not Subaveted)
L. Goutton So aks “ L.duMort
Pelican shale Fort St John Willow £.. a } = Ta L, Francois
Grand Rapids Birch L.
Mink L.

UpperDevonian
(Shalesand limestones).

Middle Devonian a Sic Aa |
(lomestone) { ! r aL 6
5 Palzozoic
( not subdivided)
Devonian

(nol wsubdaided)

C-262ems --<

€

Silurian.

ee Ae

a SO Oo

<=

Late Pre-Cambrian.
(sediments and basic flows
and intrusives)

7

Granite and Gneiss

Early Pre-Cambrian
(schists, slates, limestones
quarizites )

Symbols

[——_—

Geological bound
( position defined. or approximately known)

Geological boundary

(position assumed )

Seardy
‘Snake & Y
fle ala Cross¢ 4

Lake
Canoe Dex. eric.
As
| o oe \
SS

3 Lac La Puang™
>
& /
Wee Ae
ATs
iS

i)

p

Co ee oe ee eee

; L
Prag dhi Moose b

pues
Re
“—™

==,

pittle

—-

a
Y
Gea
\
“4
eoce
fasts! /
fs ee

_ptisté R.

Longitude West from Greenwich —

C.O Senécal, Geo her and Chief Draughtsman
J.O.Fortin, Didinen

Publication No. 1585

NORTHWESTERN CANADA

1

Scale, 3.168.000
Miles
50 25 oO : .
ee — 52 ie BOO. : 150 200

To accompany new edinonol Memoir by
C. Camseadl and W. Matcolin, 1921.

5O MILES TO! INCH