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Portulacca Ridge. Progress reports to licence expiry/renewal, for the period 16/3/1977 to 15/3/1979.
Areas around Woomera and extending to the north, to around 30 km west of Olympic Dam, were explored for concealed base metal deposits of Olympic Dam - type. Trace stratabound lead and zinc mineralisation (sphalerite and galena - few thousand ppm) had...-
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