THE MINERALS OF THE MIDLANDS. 



219 



From the Rev. Dr. 

 Naturalists' Field Club). 



Smitke (proceedings of the Cotteswold 

 Tortworth Area. 



Damory Bridge. 

 Hornblendic Trap 

 Rocks 



Charfield. 



Diorite 

 loidal 



Ainygda- 



Fine grained serpentinous 

 Greenstone-Diorite 



Cavities filled for most part 

 with Calcite, many lined 

 with a green zeolitic mineral 

 called Viridite 



From Mr. Edward Wethered, F.G.S. :— 



Minerals from the Neighbourhood of Bristol. 



Name of Mineral 



Hasntatite 



Malachite 



Galena 



Celestine, mas- 

 sive and crys- 

 talline 



Locality. 



Clifton, Winford, 

 Ashton, Framp- 

 ton-Cottrell 



Geological Formation. 



Dolomitic conglomerate, where 

 it is in contact with the 

 Limestone. Forms work- 

 able deposits in the fissures 

 of the Pennant Grit of the 

 Middle Coal Measures at 

 Frampton-Cottrell. 

 I Clevedon, Somerset- (Dolomitic conglomerate, only 

 "| shire . . . . | in small quantities. 



(Mendips, Clevedon, ) 

 Somerset, Shire- 

 ( hampton . . . . J 

 /The crystallines In Mountain 



variety at Clifton. | cavities. 

 ) The massive variety ' In oval or round masses, at the 

 in the neighbour- " bottom of the new Red Marl, 

 hood, at Bedmin- 

 ster, &c. . . 



In Dolomitic conglomerate and 

 Mountain Limestone. 



Limestone 



Barium in the) 

 form of heavy [ 

 spar (Sulphate ! 

 of Barium) . . J 



Baryto-Celestine, 

 recently dis- 

 covered, the 

 only known 

 place in Eng- 

 land 



Calcite 



Quartz, massive 

 and crystalline, 

 chiefly the 

 latter, known as 

 " Bristol Dia- 

 mond " 



Gcethite (or hy- 

 drate of iron) 



Ironstone Nod- 

 ules or Black- 

 band Ironstone 



At Clifton andtheL ewRedMarl 

 neighbourhood . . 



Clifton, in the 



Oakley R°?«M New Bed Marl. 



when digging 



foundations 

 buildings 



- Clifton 



for 



(In the cavities of the Moun- 

 ' "( tain Limestone. 



Clifton 

 Kingswood 



Dolomitic conglomerate. 

 ■{ Coal Measures (Lower) in 

 nodules of clay ironstone. 



V. 

 Sion Hill, Bristol. . I Dolomitic conglomerate 



Easton, Bedmin-1 



ster, Kingswood - Lower Coal Measures, 

 (suburbs of Bristol) J 



