BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



VOL. 24, PP. 233-240 JUNE 9, 1913 



PROCEEDINGS OF THE PALEONTOLOGICAL SOCIETY 



SPIEIFEEOIDS OF THE LAKE MINNEWANKA SECTION, 



ALBEETA l 



BY H. W. SHIMER 



(Read before the Paleontological Society December 31, 1912) 



CONTENTS 



Page 



Introduction 233 



Affinities of the fauna 234 



Description of species 235 



Devonian 235 



Mississippian 236 



Pennsylvania!! 239 



Introduction 



Lake Minnewanka, or Devils Lake, is situated about 9 miles northeast 

 of Banff, in the Eocky Mountains of western Alberta. The section was 

 made along the northwest shore of the lake and confirmed westward 

 across the Cascade Elver. 



The following formations are included : 



PERMIAN 



Feet 

 Upper Banff shale; an alternation of heavy bedded, light gray calcareous 

 sandstones and thin-bedded, dark gray arenaceous shales. Many 

 Lingula? and pelecypods (as Schizodus) 1,200 



PENNSYLVANIA N 



Rocky Mountain quartzite; an alternation of light gray quartzite and 

 light gray limestone. Eupkemus carbonarius is very abundant in 

 the upper portion 000 



Upper Kanff limestone; light to dark gray limestone, usually thin-bedded. 



The lower portion is of Mississippian age 2.200 



'Published by permission of the Director of the Canadian (Jeologieal Survey. 

 Manuscript received by the Secretary of the Paleontological Society January 28, 1918. 



(288) 



