64 A. E. Trueman — Tlie Lias of South Lincolnshire. 



III. — Thk Lias of South Lincolnshire. 



By A. E. Trueman, M.Sc, F.G.S., formerly Kesearch Scholar, University 

 College, Nottingham. 



Introductort. 



THE area to be described is that part of the Lias outcrop extending 

 from Lincoln southwards to Barrow-on-Soar and Grantham, 

 and includes south-west Lincolnshire and small portions of north- 

 east Leicestershire and east ]S"ottinghamshire (see Map, Fig. 1). 



UtiCOlM *^^ 

 Bwtebridge, 

 Waddington 



Sassmgliam 



Brant Brouehtofi 

 ^ Lftadennam 



lOrtlLES. 



'Cotham n^ ., »L "^ 

 .Caythor|)c 



Jotkcsford , 



• ' . ^Cjoncrby 



Cot3raveQors|.^y~-^arn5tone' ^' '""^ .QaKnTHAM 



riungar ^^Ji^^alkersford 

 StaiWern ^ 



^ormanton Hillsj 



Old Dalb 



White lodofe 



1. 



arrow-on -Soar 



Fig. 1. — Diagram map of South- West Lincolnshire to show the position of 

 exposures. (Adapted from the Index Map of the Geological Survey.) 



The rocks of this district were mapped by the Geological Survey, 

 and an account of some of them was published in 1885 ^ and 1888*; 



^ The Geology of South-West Lincolnshire (Mem. Geol. Surv.), 1885. 

 ^ Cowitry around Lincoln (Mem. Geol. Surv.), 1888. 



