iv

CHAPTER IlI—Continued

General statement..........0ccce cece eect ere r eee tees tere stsstces
Table of Triassic formations and lithological units.......--.--+++++++--

Grayling formation. ..........002 see cece eee ett adbugece
Definition, p. 35; Liard River Valley, p. 35; age and correlation, p. 36.
Toad formation. ...........eeece reese cent eee eee esse tse ese ese ses
Definition, p. 36; Halfway River Valley, p. 36; Sikanni Chief River
Valley, p. 36; Muskwa River basin, p. 38; Tetsa River Valley,
p. 38; Liard River Valley, p. 38; age and correlation, p. 40.
Liard formation............00cc cece eet teeter eet t tenet e nent nas
Definition, p. 42; Liard River Valley, p. 43; Tetsa River Valley, p. 43;
age and correlation, p. 44.
Magstonesty co... elec cscs seisc cee oem cise wicieieseleinssinleurieasicns (ers ore suclen clone
Definition, p. 44; Halfway River Valley, p. 44; Sikanni Chief River
Valley, p. 44; age and correlation, p. 44.
SMarktsiltstones seen several elereretecatetetsleta lets iaie otal ctekel aenegat eleta lao sogoennt
: Definition, p. 45; Peace River Valley, p. 45; Halfway River Valley,
p. 45; Sikanni Chief River Valley, p. 45; Prophet River drainage
basin, p. 46; age and correlation, p. 46.
4 Grey sbeds)es he scys cssieisce cielo ose eyo sie cjesonnselaqeloiels etal) teindefoleroe tetera ace
Definition, p. 46; Pine River Foothills, p. 46; Peace River Foothills,
p. 46; Aylard Summit and Hackney Hills, p. 49; Halfway River
Valley, p. 49; Sikanni Chief River Valley, p. 50; Prophet River
drainage basin, p. 50; age and correlation, p. 50.
Pardonetibeds scrcicvclereleteuetevetene res asoisdesctetede co lene larsteialeteletofe Peledeietetarencioted siemetasore
Definition, p. 53; Pine River Foothills, p. 53; Peace River Foothills,
. 53; Aylard summit, p. 56; Halfway River Valley, p. 56; Sikanni
hief River Valley, p. 56; Prophet River drainage basin, p. 58;
age and correlation, p. 58.

Aile con gadenne aaponoodtanodacdomhoooonedocmaunuooUGoUrddcuabucKooUd
Hernieigroup erat ore eerie OCT Pde er ie eee epee
Definition, p. 60; Pine River Valley, p. 60; Peace River Foothills,
p. 60; Halfway River Valley to Sikanni Chief River Valley, p. 61;
age, p. 62
Late¥Jurassic or early Cretaceous......... 2.00. cece cece eee eters
Cassiaribatholi th? 7 )-)acsieran teissatrlccstastoteiole arose niatoele eure terete cyan sersaetcrs
LowerjCretaceous and ? earlier..........-..0s ese e eee e cece cece eee eeeee
Bullheadteroupeseriteetivese ce eedeolelstere ote cee error ee eer ets eer
Definition, p. 63; Pine River and Peace River Foothills, p. 64; Halfway
River to Pocketknife River, p. 70; age and correlation, p. 71.
ower: Cretaceous sic ricy sere sciciele © ovens eialaieieie.c eis chetoke ied terete s eeeretet erent oloerenaiere
Fort Ste John; group iene css sea seems iene eee ee eee
Definition, p. 73; Peace and Pine River Foothills, p. 73; Halfway,
Sikanni Chief, and Buckinghorse River Valleys, p. 84; Tetsa
River Valley, p. 87; Liard River Valley, p. 89; Petitot River, p.
91; Peace River, Cache Creek to Alces River, p. 91; age and
correlation, p. 92.
Upper Cretaceous frac.ricwicers sjeleisiae sosssierecresc ioe ereroleens ee eleke ine eee Easter
Dunveganyformatloneerrbrer rire ital llores eeleiia iether eee
Definition, p. 96; Pine River Valley, p. 96; Moberly and Peace River
Valleys, p. 97; Peace River Valley, Cache Creek to Alces River,
p. be Fort St. John to Indian Creek, p. 98; age and correlation,
p. 99.
HortzNelsonjiormationn.piyce teicher eee eee
Definition, p. 100; Tetsa River Valley, p. 100; Liard River Valley,
p. 101; Petitot River, p. 101; age and correlation, p. 102.
Smokeyseroup reds ccetare casces ae er AS reser ee ae ees
Definition, p. 102; Kiskatinaw River, p. 103; Tuskoola and Wartenbe
Mountains, p. 103; Pouce Coupé River, p. 103.

46

53

3s

62
62
63
63

73
73

96
96

100

102