﻿382 ME. LlNSBAlL EICHAEDSOtt ON THE [May 1905 



apparently to the Llanmartin section (p. 380), in that there is a 

 deposit below the grit of contorta-age — distinguished as bed 16 at 

 Llanmartin. 



Near Bishpool, the escarpment formed by the Keuper and the 

 Ehsetic, and capped by the Lower Lias, is very conspicuous; and 

 at Pinkham Hill it is breached by a road-cutting. 



(F) Bishpool. 



Feet inches. 



14. Shales, light-coloured, clayey, with two thin 



gritty seams passing up into black clayey 

 shales. 

 I a. Quartz-sand, rich reddish-brown and black. 9 



15. \ b. Sandstone-layers and shaly matter 7 



( c. More massive layers : Modiola minima ... 3 



16. Shales, black, with sanely layers 4 



I. ' Tea-Green Marls.' Pale-yellow: visible 5 



The last section to be described is at Lis-Werry, near the well- 

 known quarries in the Lower Liassic limestones : indeed, the cutting 

 in which the Rhsetic beds are exposed was made for the road to the 

 quarry. This section also has received attention from Mr. Strahan, 1 

 but the following record is much more detailed. The Lower Liassic 

 beds are given on that writer's authority. 



(G) Lis-Werry. 



Feet inches. 

 % f- Limestones, irregular, with partings of 



£ I clay and shale 8 6 



csj ■{ Limestones, more even, with very thin 



| I partings of shale 8 



^ I Paper-shales 3 6 



f 1. Limestone, blue-hearted but weather- 

 ing white; the upper and lower 

 parts shelly, with Modiola minima 

 abundant, the middle part smooth- 

 textured and pale ; faint arborescent 

 markings in places (equivalent to 

 Cotham Stone), [teste A. Strahan] 1 

 Pale-brown, thinly-lamiuated shales. 1 4 

 Pale greyish -green, earthy nodular 



limestone passing into shale 1 f Cardinia sp.,*-' Cardium 



Pale greyish-green marly shales : cloacinum, Protocar- 



about. . . 3 6< dium Philippianum, 



P 



Modiola minima, Gy- 

 ns (scale). 



1 Mem. Geol. Surv. 'The Country around Newport' 1899, p. 75. 



2 The form identified as Cardinia concinna (Sow.) aff. regularis, Terq. 

 Quart. Journ. Geol. Soc. vol. lx (1904) p. 204 & pi. xviii,fig. 4. 



