Vol. 62.] 



LIMESTONE OF THE MENDIP AREA. 



345 



exposed being about 250 feet. The southernmost quarry, now 

 long disused, shows a level at the top of the zone. 



(e) Yallis Vale, near Prome. 



Four quarries, in the northern part of the Vale — two on the 

 western side, and two on the eastern — afford a discontinuous 

 section, which extends about 400 feet downward through 

 the zone. 



List of Exposures in the Mendip Area. 



Note : — There is no palajontological subdivision of this zone ; the symbols 

 C x and C 2 are employed to denote lower and upper parts of the zone 

 respectively. 



A. The Black-Down pericline. 



North side. 



Locality. 



Brean Down 



Uphill 



Hutton 



Ban well 



Sandford 



Kowberrow-to- 

 Churchill traverse 

 ! Burrington Combe. 

 Blagdon 



Description. 



Horizon. \ Sheet. 



Cliffs all round the Down ; and two 

 quarries on the north side, western 

 end C,-C 2 



Uphill Quarry 



Old quarry by the roadside in the [■ C, 

 village 



Quarry just off the Banwell road, 

 near Lower Canada, east of 

 Hutton J C 2 



Quarry in Hutton Combe 



Quarry on the hill south of the| 

 village, north-west of Banwellj 

 Castle C 2 



Quarrv at the western end of! 

 Sandford Hill | 



Two adjacent quarries on the main 

 road, west of Dolebury Camp ... C 2 



(See above, p. 344) j C x -C 2 



Quarry on the west side of the 

 road, south of village j C 2 



16 N. W. 



& N.E. 



16 N.E. 



17N.W 



[►17 N.E. 



ll8N.W. 

 I 18 N.E. 



South side. 



Bleadon ! Two quarries at Purn Corner, west 



of Bleadon C x 



Little Down Quarries (see above, 



p.344) j C 2 



Wonderstone I Cutting on the road between 



I Bleadon and Wonderstone i- C-, 



Old quarry at Wonderstone 



Loxton j Quarry on the hill north of thej 



School 1 



Crook Peak j Exposure at the summit j C 2 (top) 



16 S.E. 



J-17S.W. 



