Gunnislake Clitters copper, tin, arsenic and wolfram mine ...
· In this highly productive phase, the mine sold 32,686 tons of copper ore from 1860 to 1890 and 123 tons of tin ore from 1867 to 1873. Extraction, crushing and primary dressing were focussed around Skinner's Shaft, sunk deep into the main lode from the hillside 450m south of the original adit. Final ore dressing and concentration, and arsenic ...
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