KIMMERIDGE BAY. 

 Clavell's Towek, CoastgUxVrd Station. 



flimmcriligc §hale. 



By J. C. MANSEL-PLEYDELL, Esq., F.G.S., F.L.S. 



'HE Kimmeridge Clay derives its name from the 

 village of Kimmeridge, in the Isle of Purheck. 

 The formation extends from St. Alban's Head to 

 GadclifF ; hoth of these headlands consist of Port- 

 land stone, Portland Sands, and Kimmeridge Clay at 

 the base, and constitute the range of hill which 

 terminates at Gadclifif on the west. The junction of 

 the Portland Sands with the Kimmeridge Clay 

 is well shown throughout the whole distance Ijy 

 a series of parallel launchets on the scarjj of the hill. The 

 Shales* upon which the Sands rest are well exposed on the 



* Kimmeridge Shale, its origin, history, and uses by Burton Gear, 

 pp. 22, 1886. 



