524 CARBONIFEROUS ROCKS IN CUMB CO. — LOGAN & FLETCHER. 



Ft. In. 



duce this change of dip from east to south. A thin 

 band of red and greenish argillaceous shale on the 

 east side is lost against tlie sandstone on the west, 

 and the amount of the f lult may be more thm 20 

 feet, for nothing is seen of the shale on top of the 

 bank. Usually at these faults very little of the 

 rock is turned on edge, the course being marked 

 only by a quantity of soft clay or ''gouge" ; but 

 liere a block of 10 feet seems to have been dropped 

 off the gray sandstone on the west side. This fault 

 shows in the cliff 150 yards southwest of the iirst 

 rocks, or 400 from the end of the road to the beach 

 on the southwest side of Sand River. 



8. Red argillaceous shale. A two feet fault with a 



nearly vertical upthrow on the west side 19 



9. Gray and cream-colored, massive, fine sandstone. . . 9 



10. Greenish and gray coarse grit; cut out at one point 



and nearly all replaced by red argillaceous shale at 



a pillar-rock 22 



11. Greienish and reddish argillaceous shale, replaced on 



the strike by sandstone 2 



12. Reddish and greenish, mottled, argillaceous sand- 



stone 6 



13. Gray, coarse, pebbly grit and conglomerate 16 



11. Red fine sandstone and argillaceous shale, replaced 



in part at the bottom by gray sandstone. ........ 10 



15. Gray and greenish fine and coarse sandstone in thick 

 beds, with thin lenticular patches of pea-and-nut 

 conglomerate; coaly streaks associated wuth the 

 coarser patches and some finer bands of gi'ay 

 arenaceous shale are full of broken carbonized 

 plants. The bottom of the upper ten feet of this 

 band is at w^ater-level at the mouth of the Mile 

 Brook, the lower, at the next little brook quarter of 



