50 ME. L. KICHARDSON ON THE RELETIC OF [Feb. ICJII,. 



[Lang-poet.] Thickness in feet inches, 



f r Shales, black and grey, laminated"^ 



- ) with brown layers, one being parti- f - n ■,. , ^ 



5 a ' ) cularly noticeable about the centre: f 2 5 <*"**«» oloacznum Qu, 



L 26 to 32 inches ) 



f A peculiar black and ferruginous S 

 5 b. < deposit, which fills in fissures in the > 1 



(_ bed below L j 



„ ( Yellow rubble and brown earthy ) -, Q 



b -{ marl : ) X 6 



f Limestone, hard, grey, rather sand3 r ,S f Qhlamys valoniensis (De- 



w \ breaking up into three layers, with I Q , j france), Pteria contortiv 



<\ 



j 'beef above and below. Baryto- f i (Portlock), Protocardicv 



v. celestine and pyrite: 2 to 6 inches. J V. rhcetica (Merian). 



e ( Shales, black, ferruginous about the \ a n 



*'{ centre S u 



( Limestone, dark, earthv, nodular, and") c Tr -. 77 . . /, T x 



9. \ where present very conspicuous, but 9 ( ^Isella minima (Moore), 

 I occasionally passing into rubble ...) <■ ^otocardia rhtztica. 



in *. 10 (Shales, black and grey, well-lami- ") -■ A n tu • * ± i 



10tol2 -| nated, with a few gritty seams ...j 10 ° P^ria contorta, etc. 



13. Sandstone, greenish-yellow, earthy . 3 Fish-remains (scales). 



14. Shale, black and yellow, clayey 7 r n -, ■ 7Z . .. * 



„ ( Sandstone,grey,impure, fine-grained, \ ft ( ^o^« aZ6«* Ag., 



M calcareous^: /to Benches ..* .' j ° 3 j £E"£^tc * 



16 to 18. Shales, black 2 3 <• P^bles, etc. 



19. Sandstone, whitish-yellow, micaceous 0i Fish-remains. 

 f Shale, black, laminated 9 



20. < C Shale, black, indurated, and green 

 (It 



Non-sequence. 23 



(^ (^ C. ^ marl j 2 Fish-remains 



KFTTPFTJ £ Grey and Tea-green Marls. Marls, pale 

 ' (. yellowish-green : seen 



10 



There is nothing to remark concerning this section that is not 

 sufficiently brought out in the above record. Bed 9 was very 

 conspicuous, and, as usual, the individual deposits of the Cotham 

 Beds could be readily identified. 



Escarpment between Somerton and Wagg. — In this 

 escarpment there are no exposures worthy of note ; the only 

 discovery of interest was that of typical Cotham Marble, cropping 

 out of the bed of the rough road that climbs the hillside through 

 Somerton "Wood. 



Ham Hill inlier. — The Geological Survey map represents an 

 extensive spread of Rhsetic beds to the north of Langport ; bat 

 several quarries now show that the representation of the superficial 

 extent of the Ehsetic has been too liberal. In a quarry about a 

 quarter of a mile south of Turn Hill, Lower Liassic beds similar to- 

 their equivalents at Butleigh (p. 38) were exposed : the lowest 

 bed visible being locally called the ' Clog Stone,' and comparable 

 with Bed 14 of Windmill-Hill Quarry. Near the old windmill 

 between High and Low Ham the ' Sizes ' of the Langport Beds are- 

 exposed ; and formerly the Black Shales of the Westbury Beds 

 could be seen above the fine exposure of the Keuper deposits at, 

 Turn Hill. 2 



1 There may be a slight break here. 



2 W. Boyd Dawkins, Q. J. G. S. vol. xx (1864) p. 404. 



