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RB 60/00082 Coober Pedy Opalfield.
Mapping of the Coober Pedy Opalfield has shown that opal occurrence, although erratic, is not entirely unpredictable. Several groups of workings are present in an area of about 150 square miles. The host rock is a distinctive pink and white...-
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Published: 30 Apr 1965
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Coober Pedy. Investigation of alunite occurrence.
At the request of several interested parties from Coober Pedy, 17 channel and grab samples of alunite-bearing clays obtained from opal workings near the town were analysed for their alunite content and its purity. Recent inspections by the author of...-
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