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Mine owners vowed gold output would joar if more money was spent in sinking
deep shafts and in building mills capable of extracting more gold from the
troublesome sulphide res. The Queensland government was fanatical in its zeal
One method caught their eye as they walked about their plants. Sulphide
Corporation men observed as early as 1901 in their gravity mill that ore would
form a froth or foam whenever it cascaded into the water. Examining the floating
froth they ...
However, each ore required research in the laboratory and manipulation in the
working mill, and the new flotation plants developed slowly. Not until Broken Hill
had developed the idea of selective flotation did the copper mills gain the full ...
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LibraryThing ReviewUser Review - nandadevi - LibraryThing
The history of mining is central to Australian history, from the gold rushes of the 1860's which brought hundreds of thousand of immigrants, to the mountain ranges of iron ore and immense natural gas ... Read full review