VOL. XVII. (I) INFERIOR OOLITE— SOUTH COTTESWOLDS 



93 



Sequence in the Neighbourhood of Old Sodbury. 



Fullers' Earth 



r I. Rubbly-Beds 

 II. White Oolite- 



o - 



Thickness in feet 



1. Clay {exposed in various openings) 



or their equivalents, and the top of the 

 —not exposed : say . . . . . . 8 



Horton-Rectory Quarry. 

 II. White Oolite i. Limestone, white, oolitic, flaggy ; 



a few brachiopods : seen . . lo 



2. Rubble, cemented together by in- 



filtrated carbonate of lime, and 

 resembling old mortar . . o 



III. Clypeus-Grit 3. Limestone, brown and grey, ob- 

 scurely oolitic, with a very ir- 

 regular top ; Terebratula globata, 

 auctt. non Sow. (common), 

 Rhynchonella hampenensis, S. 

 Buckman . . . . . . 8 



4. Limestone, grey and pale-brown 

 sparry limestone, massive, top 

 well-planed and has oysters ad- 

 hering to it in places. At i ft. 

 6 ins. below the base of bed III, 

 3, the limestone is rubbly ; 

 Terebratula globata, auctt. non 

 Sow. , andRhynchonella hampen- 

 ensis, S. Buckman, not uncom- 

 mon in the lowest portion; 

 Syncyclonema demissum (Phil- 

 lips), NerinceaGuisei, Witchell, 

 Acrosalenia spinosa, Agassiz, 

 and Isastresa, sp. indet. . . 7 



^ < 



IV. & V. Horizon 



of Upper Coral- 1 



Bed and Dundry > 



Freestone ) 



VI. Upper 



Trigonia-Gnt 



5 Brown marly material, containing 

 pebble-like bodies 



6. Limestone, yellowish-brown and 

 grey, ironshot, shelly, with a 

 very irregular and water-worn 

 surface, oysters in places ; Tri- 

 gonia costata (Sowerby), Cteno- 

 streon pectiniforme (Schloth.), 

 Alaria hortonensis, Hudleston, 

 Pentacrinus-ossicles, etc. 



Non-sequence. Beds VII. to XXIII. 



CO 



XXIV. Lower 7. Limestone, brownish-grey, oolitic. 

 Limestone well-bedded, passing down into 



browner and less regularly- 

 bedded hard limestones, with 

 more conspicuous shaly part- 

 ings, and containing fragments 

 of a Rhynchonella and Penta- 

 crinus : seen 9 feet. According 

 to Holl, these limestones are 

 12 feet thick, and rest upon 

 " yellow sandy rock containing 

 Gresslya," 2 to 3 ft. in thickness 12 



