94 



PROCEEDINGS COTTESWOLD CLUB 



1910 



.2 c c 



Section at Little Sodbury (after S. S. Buckman). 



Thickness in feet 

 XXV. ? Scissum- 8. Straw-coloured, shelly, sandy lime- 

 Beds stone : about . . . . . . 2 



XXVL Opalini- 9. Reddish-brown, very hard ironshot 

 l/oywe- & XXVII. limestone: about .. .. i 



Aalenia-Beds (Beds XXV., XXVII., Mr Buckman 

 parallels with the ' ' sandy fer- 

 ruginous limestone," and, with 

 a query, with the "Opalinum- 

 Beds ") 

 C Moom-Beds 10. Greyish, much ironshot marl; 

 Dumortieria Moorei (Lycett), 

 Rhynchonella cynocephala, auctt. 4 

 Dumortieria- 11. Darker, soft mudstone, much iron- 

 Beds shot ; Dumortieria metita, S. 

 Buckman, Rhynchonella cyno- 

 cephala, auctt. . . . . . . 2 



1 2 Grey ironshot marl . . . . • • 3 



Dispansum- 13. Grey sandstone .. .. .. o 



Beds 

 Details obtained during the construction of the South- 

 Wales Direct Line—(S. H. Reynolds and A. 

 Vaughan). 



inches 



Striatulum- 

 [variabilis-, 

 & ? Lilli- ] 



Beds 

 Bifrons- 



Beds 



Marlstone 



14. Sands, micaceous, with lenticular 



bands of hard sandy limestone 185 



15. A pyri tons bed full of " //z/t^oceyas ^ 



bifrons (Bruguiere)" . . 



16. Limestone, compact, marly, with 



angular jaspery fragments ; 

 Dactylioceras commune (Sow.), 

 Dacty. Holandrei (d'Orbigny) 

 " Hildoceras Levisoni (Simp- 

 son)" and Rhynchonella Moorei, 

 Davidson 



17. Marl, compact, cream-coloured; 



Belemnites aff vulgaris, Y. & B. 

 Rhynchonella sp. , Harpoceras 

 falciferum, auctt. . . ... 



18. " Rock-Bed." 



As will be seen from this record, the Inferior Oolite 

 appears to be some 55 feet thick near its escarpment, but 

 further to the east it may increase in thickness, for Prof. 

 Reynolds and Dr A. Vaughan, from details obtained during 

 the construction of the South-Wales Direct Line, estimate it at 

 about 70 feet.' 



Messrs Reynolds and Vaughan had to construct the de- 

 tailed sequence of Inferior-OoHte beds in the neighbourhood of 

 the Cross-Hands Inn, and estimate their thicknesses from 

 specimens brought up from the shafts and labelled as to the 

 depth from which they had been obtained. They had also to 



I Quart. Journ. Geol. Soc, vol. Iviii. (iyo2), pp. 734-739- 



