X. On the Strata at Whorlbury Camp, in Somersetshire. 

 By GEORGE CUMBERLAND, Esq. 



HONORARY MEMBER OF THE GEOLOGICAL SOCIETY. 



[Read 3d November, 1815.] 



W HORLBURY CAMP is a considerable Roman station situated 

 just above Weston-super-Mare on a high and well defended pro- 

 montory that projects into the Severn sea. At the foot of the 

 promontory, and at its northern extremity, is a small island, con- 

 nected to the main land by a bank of rocks, and always accessible 

 at low water. The island contains about three acres of green sward, 

 the remainder of the surface consisting of limestone rocks, which 

 are deeply excavated. It serves during the sprat season as a place 

 of resort for fishermen, who have extended their sprat-hangs from 

 the island to the main land. 



A narrow horse road forms the descent from the downs in the 

 island to the level of the sea, and it is just where the road begins to 

 quit the sward on the left hand side opposite the sea, that a narrow 

 stratum of soft red sandstone appears. This sandstone is of the 

 consistence of schist at its surface, and has its lamina* divided by a 

 hardened ochreous marl. Its whole thickness is about 6 feet, and it 

 dips at an angle of about 47°. 



