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Mine owners vowed gold output would soar if more money was spent in sinking
deep shafts and in building mills capable of extracting more gold from the
troublesome sulphide ores. The Queensland government was fanatical in its zeal
Teams of horses dragged a stamp mill and long boiler from the coast, mules took
over when the track became steeper, and then men and ropes when the track
narrowed away. The pyrite and barytes in the ore foiled the mill's efficiency in ...
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