VOL. XVIII. (2) WATER SUPPLY OF CIRENCESTER 



Rocks Penetrated by the 1904-B0RE-H0LE 



at the 



Lewis Lane Pumping Station, 



Cirencester 



183 



Remarks 



Engine- 

 room floor, 

 362' above 

 O.D. 



Nature of Rocks 



Thickness 



of 



rocks 



Depths 

 from 

 surface 



(Highest known 

 rest-level-356' 8° 

 above O.D., or ^ 

 5' 4' down '] '-' 



i.-Specimen /rom 

 about 231 ft. ' 



u.-Specimen from 

 about 262 ft. - 



iii.-Specimens 



from between &< o W 

 264 a«d 267 fea." " 5 



- Made ground . . 



i _ -^ ^ I Yellow gravel . . 

 S.l>;|^2 Clay 



L ( 3 Yellow gravel . . 



f 4 Blue clay 



I 5 Hard loamy clay 



I 6 Blue clay 



7 Hard blue clay 



8 Blue stone with shells 



9 Hard blue stone with white vein 



10 Rotten clay with a band of 

 stone 



1 1 Hard clay with a band of stone 



12 Grey gault with stone 



13 Very hard grey marble stone 

 I 14 Light blue clay and stone . . 



15 Hard blue clay and stone 



16 Hard light clay and flint 



17 Hard light stone bed 



18 Dark marl and bed of light 

 stone 



19 Light marl 



20 Hard light stone 



21 Light marl 



22 Hard light stone 



23 Oolite, hard 



24 Very hard light stone 

 1^25 Great Oolite (very broken) 



'■ii„C26 Stonesfield Slate [cf. bed 



sfj the Kemble boring] 



1? S1 27 Fullers' Earth [cf. bed 4 of the 



o 



of 



3 

 6' 



5' 

 26' 



5 

 17' 



7' 

 17' 



6' 



5' 



3 

 14' 

 19' 



9' 

 28' 



7' 

 14' 

 30' 



Kemble boring] 



Remarks 



12' 



15' 

 16' 

 21' 



47' 

 48' 



51' 

 58' 

 63' 

 67' 



69' 

 74' 

 92' 



99' 

 116' 

 122' 

 127' 

 135' 



138' 

 152' 

 172' 

 181' 

 209' 

 216' 

 230' 

 260' 



264' 



267' 



6"^ si^ 



o o, 



•a -a 





Mi 



I -O CO 



5s I m 



O 1-1 



I a 55 S i*" ^~ 





. This occurred on three successive dates, namely, January 23th, 26th, and 27th, 1912.-T.H. 

 i-^ These Specimens are preserved in the Council Chamber of the Cirencester Urban District 

 Council, and duptotTs of ii. and iu. have been deposited at the Cheltenham Town Museum. 



The rock between 264 and 267 feet down (called " Fullers' 

 Earth " in the section) is identical with that which was proved 

 in a boring put down at Kemble in 191 1 at from 105 feet 6 

 inches to 106 feet down.' It is largely composed of shell- 

 fragments (principally of Ostrea and Pseudontonotis^), in places 



X Specimens 6 and 7, P- 189. Specimen 6 from Kemble is identical in appearance with the 

 rock (Specimen iii.) from between 264 and 267 feet down here 



2 It also contains Chlamys vagans (Sow.) and Rhynchonella sp. 



