Mineral Productions of Shropshire. 305 



The strata in the water pit, which is about a quarter of a 

 tnile to the north-cast of the preceding, are : 

 Basalt, here called Jewstone _ _ - 



Brown and white clunch, dry clay 

 Red rock, a yellowish sandstone 

 Bind and clunch, dry clays - - - 



Pinny ironstone measure, dry clay 

 Clunch, dry clay _ _ _ _ 



Brown rock, a yellowish sandstone 

 Tuff (plastic clay) and sand - - _ 



Black bind, a dry clay - - - 



Rock, very coarse sandstone - - - 



Strong clay - - . _ . 



Horse-flesh earth, a variegated red aud white marl 

 Gray rock, sandstone _ . _ _ 



Bind, a dry clay _ _ _ _ 



Great coal rock, whitish sandstone 

 Coal roof, dry clay - _ - - 



The great coal - - - - 



Coal bottom pounsin *, a dry clay 

 Ironstone roof and measure, a dry clay 

 Three-quarter coal, and bass - . - 



Clamper, a hard dry clay 



Smith coal, and clod in it - - - 



Strong clunch, dry clay . _ - 



Flan and bass, hard dry clay _ _ » 



Strong clunch, dry clav _ _ - 



Four-Toot coal, and bass - _ - 



Strong brown clunch, dn,' clay 

 Sunk into the four-foot coal rock 



137 o 



In the first of these Clce Hill pits, then, we find the first 

 strata of coal 98 yards below the surface ; that the thickest 

 vein is 6 feet; and that the aggregate of coal in 107 yards 

 1 foot, is 12 feet 6 inches. In the second pit they must 

 sink 116 yards before coal is found, the vein of which is 

 also 6 feet thick ; and the other veins, which are not pure 

 coal, measure in the aggregate 10 feet ; so that in 137 yards 

 there are only \G feet of coals, and of these only six that aru 

 unmixed. Of the collieries in the west and north-west ex- 

 tremity of the county, the most consideraljle were those of 



* " Pounclstone is probably meant by this wore), as it is the earih nr 

 stone lying iiiimciliattly under the criil, and which, vvhen it h a rock, 

 occasions the colliers to [;ound or break their tools." — Mr. William Rcj- 

 notJs. 



Vol. 21. No. 84. May 1805. U Llwyn 



