Forest of Rossendale. 341 



SnooeaBion _ 



ol Strata. Ft. In. 



11 Hard bluish-gray rock ; on surfaces of the several layers 



are numerous indentations and trail-like markings — 

 Heaps Moss, Old Meadows, Broad Clough Heights, 

 Dulesgate, &c., . . . . . . 11 



12 Black and brown shales — Hoyle Hey Clough, Old Shaw 



Dean ; remains of fishes in the lower portion overlying 



the 40 yards of coal, . . . . . 70 



13 Coal, 40 yards mine, (half-yard mine,) worked at numerous 



places in the neighbourhood, .... 



14 Fire-clay, much used for brick-making, 



15 Eocky bands and shale— Park Mill, Sharneyford, Old Shaw 



Dean. Frequently absent, .... 



16 Brown shale — Hoyle Hey Clough, Greave, Dnlesgate, &c., . 



17 Coal— Higher Change, Hoyle Hey, near Bay Horse Inn, 



Dulesgate, Old Shaw Dean, &c., 1 inch to 



18 Fire-clay, ....... 



19 Shale — Greave Clough, Old Shaw Dean, Dulesgate, 



20 Coal— Higher Foot, Clough east of Shawtorth, Holmes 



Clough Bacup, Small Shaw Dean. This mine unites 

 with the uudorlyiug Gaunister Mine, about \\ miles east 

 of Bacup, and forms the 5 feet mine, . . .08 



21 Fire-clay, . . . . . . .16 



22 Seat rock, soft shaly rock — Greave, . . . .16 



23 Shale, or soft valueless false-bedded rock, irregularly 



stratified — Oaken Clough, Greave, Higher Broad Clough. 

 This becomes shale after the union of the two mines 

 referred to above, . . . . . 40 



24 Coal — Gannister or Mountain Mine, Oaken Clongh, Dnles- 



gate, Hogshead, Rowley Moor, &c., from 5 feet to .26 



25 Fire-clay, full of stigmaria ficoides, . . . .26 



26 Seat rock, or Gannister, fine-grained, light-coloured, siliceous 



rock, very irregularly bedded, full of vegetable remains 

 and carbonaceous markings. On Eowley Moor, it is a 

 fine crystalline Gannister,* . . . . 12 



27 Black shale ; contains fish remains in the lower portion — 



Greave, Oaken Clough, Old Shaw Dean, . . .90 



• This rook does not occur under the Gannister Mine at Oaken Clough. 



