SECTIONS op the CAMBRIAN and ETCHEMINIAN 

 IN CAPE BRETON 



Showing their relation to each other and the underlying Pre- 

 pakeozic rocks. 



No. 1. — Section at Long Island, Bras d'Or Lake, Cape Breton. — A, Lau- 

 rentian limestone, schist, etc. — B, Volcanic eruptive (felsites etc.) — C, Cam- 

 brian. — D, Prepalreozoic Syenite. — C 1 Olenus Zone. — C a Peltura Zone. 



No. 2. — Section from Morley Road to Marion Bridge, Mira R. Cape Bre- 

 ton. — A, Volcanic eruptive (felsite). — B, Etcheminian terrane. — C, Cambrian. 

 — D, Lower Carboniferous— B 1 Lower Etcheminian. — B, -Upper Etcheminian. 

 — C, 1 Olenus Zone. — C, 2 Peltura Zone. 



3* 5b 



Ac 



