388 



THE GEOLOGIST. 



IV. 



Baryte and Lead. 

 (Baritische Bleiformation.) 



Quartz. 



Opal or Hornstone. 

 Fluor Spar. 

 Sulphate of Baryta. 

 Carbonate of Lime. 

 Dolomite. 

 Pearl-spar. 



Maguesian Carb. of Lime. 

 Spathic Iron. 



Galena. 



Polybasite. 

 Stephanite. 

 Sulphide of Silver. 



Grey Copper. 



Copper Pyrites. 



Marcasite. 

 Iron Pyrites. 

 Blende. 



Pyrargyrite. 

 Proustite. 



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III. 



Rich in Lead. 

 (Edlo Bleiformation.) 



Quartz. 

 Opal. 



Carbonate of Lime. 

 Dolomite. 

 Pearl- spar. 



Magnesian Carb. of Lime. 

 Spathic Iron. 

 Carbonate of Manganese. 



Galena. 



Polybasite. 

 Stephanite. 

 Sulpliide of Silver. 

 Weisgiltigerz. 

 Grey Copper. 



Copper Pyrites. 

 Arsenical Pyrites. 

 Marcasite. 

 Iron Pyrites. 



Blende. 



Pyrargyrite. 



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II. 



Pyrite and Lead. 

 (Pyritische Bleiformation.) 



Quartz. 

 Opal. 



Carbonate of Lime. 



Dolomite. 



Pearl-spar. 



Spathic Iron. 



Carbonate of Manganeze. 



Chlorite. 



Galena. 



Polybasite. 



Sulphide of Silver. 



Grey Copper. 

 Bornite. 

 Copper Pyrites. 

 Arsenical Pyrites. 

 Marcasite. 

 Iron Pyrites. 

 Blende. 



Pyrargyrite 



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i. 



Rich in Quartz. 

 (Edle quarz formation.) 



Quartz. 



Carbonate of Lime. 

 Dolomite. 



Pearl-spar (Ferro-mangane- 

 sian Carbonate of Lime). 

 Spathic Iron. 

 Carbonate of Manganese. 



Galena. 

 Bournonite. 

 Polybasite. 

 Stcphanite. 



Grey Copper. 



Copper Pyrites. 



Arsenical Pyrites. 



Marcasite. 



Iron Pyrites. 



Blende. 



Kermes. 



Pyrargyrite. 



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