COnwTiw TS

Fage
Introduction —~—~-------~- 9 -- = = 5 5 nn a i
Stratigraphy ----—---- n-ne nn ene 1
Formations ------~-------- 3-9 en nnn L
Peace River Foothills —------~--------~---------------------=----" .
Aylard Summit and Hackney Hills ------------------~-------~------- 6
Halfway Valley ----------------~--~-----------~-------+---------- 6
Prophet River basin and Kluachesi Lake -------~-~-------~-~-------~- 8
Tetsa Valley ----------------------------- == nn rn nnn 9
Liard River, by E.D. Kindle -----------~-------------------------== 3)
Correlation --------------------------------------------------------- 10
The problem ---------------------------- =~ === +59 nnn nnn nnn 10
Correlation with Burope and Asia ----~-------------~---------------- 11
Evidence of stratigraphic position -----~------------------------- 13
Alaska ---------- we ----------- = ~~ ~~ 5 5 = = 1
Se Seat eee a nae nee ee ee ee eee eee eee ee 1
Monreal onde eee os ot ee Ure i LG RA Ge 14
Kotelny Island --~------------------------~--~--~-------------+-=--=- 15
Conclusions -79441-----------~~---~----- === --- = -- 3 5 5 rrr 15
Notes on Fossils ---~------~----~--------- === 5 nn nn ND)
Genus Nathorstites -------------------~------~-----~--------------- 16
Genus Nitanoceras ~-----------------------~~-----~-- == === 57 === 17
Genus Isculites -—--------------------~-------------------------- 17
Genus Protrachyceras --------------------------~--~-------=--------- 17
Genus Paratrachyceras ------------------------------ 99-555 o 5 nnn el
Genus Sirenites ----------~------------~-----~-- == += 95 one nnn ane 24
Genus Dawsonites ---~------------------------ $95 nen nnn nna 2h
Genus Silenticeras -~------~-~----------------- == 9 nnn 25)
Genus Asklepioceras -~-----~--~~------------------- nnn 25
References --------------------~-------------- === ------------------ 26

Appendix.

Figure lA.

Plate

1B.

10,

1D.

is

New species from the Triassic Nathorstites Fauna,
by F.H. McLearn

Illustrations

Index map of northeastern British Columbia, showing
geosraphic features and Triassic fossil localities
referred to in this report ~------~------------------

Tentative correlation of Triassic formations and
unnamed lithological units in northeastern British
Columbia

Shows boreal distribution of Nathorstites fauna
Table showing relative position of Nathorstites~

bearing strata in northeastern British Columbia,
Spitzbergen, Bear Island, and Kotelny Island

Nathorstites fauna - 'Dark siltstones!

ee ee ey

ee es ree

Tre i "
Ths nN "
Iv. 1" "
v. i" "

VI 4 {f If
VI I eS ' ff
VIII. " "oo

tt

- ‘Grey beds!

't

LAE i ca a yD a a

FT pei hanna MN petite ee necator el re

Liard formation ---------~-----