INTEODUCIIOIf. 



17 



and south-west districts there is a striking difference as regards 

 petrological characters, thickness, and fossil contents. The sedi- 

 mentary rocks in the north-eastern area consist of a considerahle 

 thickness of estuarine or freshwater deposits, with here and there 



Scale of Mies (l InchtoGHiUs) 



, SaltwicK Nal> 



Chalk 



1 ^jKtmendge 



fRDVuvHood 

 Bay 



iJJldTteaTt 

 ^cjA-Blca "Wyte Ft, 



I ■■'.■:■■ .ICoralUan Beds 

 I - ■• ■ 1 etc 



etc 



Estuarine Series 



Fig. 1 . — Geological Sletch-map of part of East Yorkshire. 



a thin marine band, whereas in the other districts the Lower 

 Oolite rocks are almost exclusively of marine prigin. The country 

 between Whitby and a few miles south of Scarborough is occupied 

 by Middle and Lower Oolite and Liassic strata ; the aooompanyinp 



c 



