126 



MB. E. W. BINNEY ON A VEIN OF LEAD 



the rough rocic* — a rock so often confounded with the 

 millstone grits. 



The vein which it is intended to describe on the present 

 occasion, was discovered some years since at Horridge End, 

 near Whaley Bridge, by Thomas Gisborne, Esq., in working 

 seams of the lower coals. About a year and a half since, 

 the author had occasion to examine the mine in company 

 with his friend, Mr. David Christie, and he then obtained 

 what information on the subject he possesses. 



By the kindness of Mr. Gisborne, and his intelligent 

 manager Mr. Sigley, the author is enabled to give the fol- 

 lowing section : — 



Yards. Feet. Inches 



1 Gray Bind and Shale 50 



2 Coal 9 



3 Fire Clay 2 



4 Gray Bind 6 



5 Thin Coal (a few inches) 



6 Stone 2 



7 Gray Bind 4 



8 White Stone 6 



9 Shale 30 



10 Coal 16 



11 Stone 8 



12 Shale 12 



13 Coal 14 



14 Stone 6 



15 Shale 4 



16 Coal 9 



17 Stone 4 



18 Shale 6 



19 Stone 7 



20 Shale 13 



21 Coal 116 



22 Gritstone Rock 



{See Plate, where the vein is marked by the letter A.) 



The coals above mentioned are those of the Rochdale 



* For the position of this rock in the Lancashire coal-field, see p. 78, 

 vol. L, of the Transactions of the Manchester Geological Society. 



