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Geevor at Grass

Processing

 

Arsenic Recovery

Click to see a larger version of this imageold photo of rows of arsenic barrels

Arsenic had to be removed as a waste product from the tin and copper ore.


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Smelting

Click to see a larger version of this imagemolten tin

The process of smelting changes tin ore into metal.


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Assaying

Click to see a larger version of this imageold photo of a assayer at work

Assaying is the process of testing ore or metal samples to determine their mineral content and purity.


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The End Product: Concentrates

Click to see a larger version of this imagetin concentrate in a bag shown by a mill worker

The purpose of processing operations was to concentrate the ore up to an average of 60 - 80 per cent for tin. 


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