sa 
Pe i CoMPARATIVE TABLE OF THE Rocks oF THE CRETACEOUS SERIES IN THE INTERIOR REGION oF British Nortu AMERICA, 
es oy AND OF THEIR REPRESENTATIVES ELSEWHERE. 
. 
‘di CRETACEOUS SERIES IN THE VICINITY OF: THE | 
eT . * TyPicAL NEBRASKA SECTION, M. AND H. 49TH PARALLEL. Pror. HIND’s SECTION. Dr. HeEctor’s SECTION. 


Sandstones and arenaceous clays, yellowish Yellowish, grey, and in some 
and ferruginous, often nodular. places, greenish sandstones; 60 
No. 5—Fox Hitt Group.— feet exposed. Elbow of the S. 

pets Grey, ferruginous and yellowish Division Y. of Bad Lands’ Section, where | Saskatchewan; Qu’ Appelle Val- 
*< sandstones and arenaceous clays; | these beds were estimated to be 80 feet in | ley near Eyebrow Hill. 
v _ | 500 feet. thickness ; also at White Mud River, Three 
{ is Buttes, &c. 
> ° 
o 2 
i x f 
ra. 5 No, 4—Fr. PIERRE GRouP.— PEMBINA MOUNTAIN SERIES.—Greenish-grey, Rocks similar to those of the 
ie a Plastic clays; middle part barren | and brownish clay-shales, and clay, with selen- | Pembina Mountain Series. Sou- 
* of fossils; 700 feet. ite and few organic remains; 300 feét seen. | ris, near the Blue Hills; Two 
* a: Many localities E. of the Tertiary Basin. Creeks on Assineboine River; 
a 5 Qu’ Appelle River; and Riding 
‘ee 4 Division ©: of Bad Lands’ Section.—Som- | Mountain, 
bre and septarian clays, and greenish-grey 
clay-shales. Many localities W. of 420 Mile 
Point. Thickness at the Three Buttes esti- 
mated at 800 feet, 
+ 


No. 38—NIOBRARA GROUP.— Limestone of Boyne River. N. Branch of Saskatchewan at 
Greyish calcareous marl; 200 Sandstones, arenaceous and carbonaceous | Cole’s Falls ? 
feet. clays underlying No. 4, near E. Fork of Milk 
River? Of these beds about 870 feet seen. 
Sandstone underlying No. 4, at the Thre 
Buttes ? : 


EARLIER CRETACEOUS, 
No. 2—Forr BENTON Group. 
—Grey laminated clays, with 
some limestone; 800 feet 
N. Branch of Saskatchewan at 
Cole’s Falls. (probably.) 

CRETACEOUS AND TERTIARY—GENERAL ARRANGEMENT. 
Part of the section underlying No. 4, near 
No. 1—DAKoTA GRrRovp.-— . * 
Sea wide 
sandstones and clays ; 400 feet. 







Series A.—Elbow of Battle R ? 

SERIES B.—Indurated olive-coloured shales, 
with bands and fissures filled with clay-iron- 
stone. Long River; Souris River; Forked 
Creek on the Assineboine. 
Series C.—-Dark purple and brown lami- 
nated clays, with ironstone septaria, and 
sometimes crystals of selenite. Fort Ellice; 
Elbow of S. Saskatchewan; Eagle Hills; N. 
Snel to Fort Pitt; N. slope of Cypress 
ills. 

SreriEsS D.—Sandstone overlying marly clays, 
banded with thin seams of ironstone, thin 
beds of limestone, and stiff dark blue clay and 
arenaceous shales. _ Battle River? Hand Hills; 
Red Deer River, &c. 

SEriKS E.—Sandstones, coarse and friable 
or argillaceous and concretionary, indurated 
shales, and soft limestones, ironstone nodules, 
beds of lignite; 3 to 10 feet Red Deer River; 
N. and 8. Saskatchewan; Athabaska; N, 
Pembina River, &c. 


