THE MINERALS OF THE MIDLANDS. 



Azurite.v. I With Malachite {Ditto. 



Chessvhte j ( 



1 1 Often finely crv 5 <a,l is e„; *• f 'BtSB&JSSEK 



acicular . . 



Murio-Carbonate of Lead 



Cerussite 

 Cromfordite 



Calamine 

 Aurichalcite 



Dolomite 



Silicates. 



Orthoclase 



Sanidine 

 Kaolin . . 



Labradorite 



Mica 



Biotite 

 Hornblende 

 Pyroxene Augite 

 Viridite 

 Olivine 



Chlorite 



Clay . . 



Smithsonite 



var. with 



Cadmium 

 Sulphates. 



Anglesite 



Witherite 



Stalactitic. 



Massive 



Connected with the Lead Veins. 



Generally as rock masses, either 

 original or products of 

 alterations of Carb. Lime- 

 stone 



Middleton.Ash- 

 [ over, Eyam. 

 Cromford. 

 Matlock, Ash- 

 over, Cromford, 

 Wirksworth, 

 Castleton, &c 

 Matlock. 

 ( Eastern boun- 

 dary of Derby- 

 shire. Whit- 

 well, BoLsover, 

 Matlock, 

 Wirksworth. 



{ Found as a constituent in some] Grit districts. 

 of the grits, also as rolled - Drifts of South 



( pebbles 

 Rolled pebbles 

 Said to occur in Potholes 



- Constituents of the Dolerifa a 



I 



) 



- In grits, sandstones, shales 



i 

 In the Dolerites 

 Ditto 

 Ditto 

 Ditto 

 Ditto 



- In the Dolerites . . 

 Beds of various ages 



'- In the Lead veins 

 J 



Said to have been found. 



j Derbvshire. 

 Drifts of S. Derb. 

 Harrington. 

 / Limestone dis- 

 I trict. 



I Coal Measures. 

 Grit country of 

 East Derby 

 and North ditto. 



Matlock, Miller's 

 Dale,Castleton. 

 Sua. 



J Limestone dis- 



\ trict. 

 General. 



' Matlock, Ash- 

 over, Cromford, 

 &c. 



Matlock. (?) 



Eyam. Matlock, 

 Cromford, 

 Wirksworth, &c. 

 Matlock, &c. 

 Youl grave. 

 Matlock, Castle- 

 [ In connection with the Lead veins - ton,Wirksworth, 



i Aahover, &c. 



Fine crvstals in the Lead veins. 

 I 



Occasional. In Lead veins 

 Large masses often found 



Epsomite 

 Gypsum . , 



var. Satin • 



Spar 

 Selenite . . 

 Anhydrite.. 



Efflorescences on walls, &c. 

 Massive, thick beds 

 Fibrous 



J Dolerite 



\ trict. 

 . Chellaston. 



i Chellaston, 



\ Matlock. 

 , Chellaston. 

 , Chellaston. 



dis- 



