The Rush that Never Ended: A History of Australian MiningMaps on lining papers Includes index Bibliography: p 344-357. |
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Page 243
... copper mine in Tasmania had become famous and it resembled Morgan — a pyritic deposit strong in gold at the surface and strong in copper at depth . Dr Jack wrote his fourth report on Mount Morgan in 1898 and abandoned his geyser theory ...
... copper mine in Tasmania had become famous and it resembled Morgan — a pyritic deposit strong in gold at the surface and strong in copper at depth . Dr Jack wrote his fourth report on Mount Morgan in 1898 and abandoned his geyser theory ...
Page 271
... copper companies at the turn of the century were unable to extract enough copper from ore that in theory seemed perfectly payable . Pyritic smelting was one answer to this problem , but only a few mines could employ this technique . The ...
... copper companies at the turn of the century were unable to extract enough copper from ore that in theory seemed perfectly payable . Pyritic smelting was one answer to this problem , but only a few mines could employ this technique . The ...
Page 331
... copper but on the rocky outcrops they found no copper lode . In 1930 a deep hole drilled on the hanging wall of the Black Star lode pierced poor copper for several hundred feet and the engineers were surprised and delighted . They ...
... copper but on the rocky outcrops they found no copper lode . In 1930 a deep hole drilled on the hanging wall of the Black Star lode pierced poor copper for several hundred feet and the engineers were surprised and delighted . They ...
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The Rush That Never Ended: A History of Australian Mining. -- Geoffrey Blainey No preview available - 2021 |
The Rush That Never Ended: A History of Australian Mining Geoffrey Blainey No preview available - 2021 |
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