NORTH SYDNEY AND SYDNEY MINES, C. B. — DeWOLFE. 307 



ft. in. 



limestoiio 5 



red marl 1 



argillaceous shale 50 



arenaceous shale 10 



aro-illaceous shale 5 



red marl 6 



blue marl 5 



red marl 10 



aro-illaceous shale 20 



sandstone 4 



arenaceous shale 5 



argillaceous shale 15 



red marl 5 



argillaceous shale 3 



clay 2 



coal (lower seam, Cranberry Head) 1 



argillaceous shale 3 



sandstone 5 



argillaceous shale 11 



underclay 1 



coal (upper seam, Cranberry Head) .... 3 6 



shale (to top of Cranberry Head) 15 



1,735 ft. din. 

 Detail^ of sliore section. — Stnbbart point stself is a 

 salient of cross-bedded sandstone, which has been able to with- 

 stand marine action better than the shales overljdng it and 

 outcropping to the east of the point. Passing to the Stony seam, 

 88 feet above, the cliff was so covered with talus at the time of 

 this study, that I was unable to examine the coal. Robb ('74) 

 says that it has a fossiliferous limestone base. If so, this is 

 the low^est occurrence wutliin the Coal Measures, and none is 

 known in the Millstone Grit. 



The two next overlying seams, one six aaid the otlrer twelve 

 inches thick, are separated b}^ sandstone which contains a num- 

 ber of Sigillaria trunks, six to eight feet in length. The sand- 

 stone grades laterally into shale, and thins out so that the coal 



Proc. & Trans. X. S. Inst. Sci.. Vol. X. Tkans U. 



