PROCEEDINGS COTTESWOLD CLUB 1914 



Below the Bucklandi-Beds come, in descending order, the 



i Angulata-'Be 

 \ PlanorbisSi 

 I Ostrea-Beds 



I A iigulata-'BeAs 

 Lias, Lower . . \ Planorbis-Beds 



„ ,, f Tea-green Marls 



Keuper. Upper (Red Marls 



The Angulata-Beds are very rich in specimens of Lima 

 gigantea (Sowerby) . When a tank was constructed in the field 

 to the north-east of the Hall many specimens of this shell and 

 of Gryphcea arcuata (Lamarck) were found. Therefore, Walls- 

 worth Hall is situated upon the Angulata-Be6s of the Lower 

 Lias.' 



In Murchison's " Outline of the Geology of the Neighbour- 

 hood of Cheltenham " (2nd edition, by H. E. Strickland and 

 James Buckman, 1844, pp. 45-46), these beds are called the 

 Plagiostoma-'B&ds, and are stated to be traceable 



"along the sides of the Lias escarpment more than 100 feet above the 

 Red Marl." 



It was thought that the greatest quantity of water was 

 likely to be encountered in the bottom portion of the Lower 

 Lias, where hmestone-beds are numerous and close together. 



A 4-inch percussion bore-hole was put down to a depth 

 of 170 feet. Progress was slow because of the very tough 

 nature of the Lower Lias clays and limestones. 



From a geological standpoint the interesting fact is that 

 at a depth of 170 feet the bore-hole was still in the Lower Lias : 

 it had not reached the Upper-Rhaetic marls, etc. 



A satisfactory quantity of water was obtained, and a 

 well 40 feet deep and 9 feet in diameter was sunk, so that now 

 there is this well with a 4-inch bore-hole 130 feet deep from its 

 bottom. 



I The B(>c/it-Beds were proved when the well it the pump in Down Hatherley village was sunk. 

 The fossils collected included .■Immoiii/es (.^riiiorenii) miserabilis Q\i. , Amm.{.igassizocera3) sauzeatius 

 (d'Orb.), Grypltaa arcuata (Lam.), Lima, Peclen (Chlamys), Rhynchondla and Spinferina — an assoca- 

 tion similar to that obtained in the equi\alent beds alongside the Gloucester and Sharpness Canal 

 between Sym's and Lower Rea Bridges (vide Proc.Cotteswold Nat. F.C.,vol. xviii.,pt. 2 (191 3), p. no). 



The Si icroccras-subplanicosta-Be'ii were proved one and a quarter miles south-by-west of the 

 well in Down Hatherley at the outfall works of the Churchdown Sewage Works. Here the section was 



I" Brown clay and sand, mixed : 2 to 3 feet. 

 Alluvial J Brown clay and small well-rolled gravel (Lias 



I and Inferior-Oolite limestones) and sand-grains : 



I I foot. 



T yj /Blue clay; Microceras subplanicosta (Oppel) 



\ (common), belemnites, Gry^Aaa ar«Ha(a (Lam.) 



