PALEOZOIC STRATIGRAPHY OF ROCKY MOUNTAINS 251 



resulted in the complete removal of the quartzite, so that in the 

 section exposed on Blacksmith Fork the succeeding dolomites of 

 Trenton( ?) age rest unconformably on the Garden City formation. 



The Swan Peak quartzite contains a small fauna which has been 

 referred tentatively to the Chazyan by Ulrich. 1 Four of the eight 

 forms identified from the Swan Peak are found also in the similarly 



1 Op. cit., p. 408. 



