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RB 2020/00001 Mintabie opal resource evaluation: current value of opal resources and projected value of undiscovered resources (second edition, 2020).
The Mintabie Precious Stones Field (MPSF) has, since the early 1920s, produced some of the finest quality opal in the world. This report provides a review for understanding the remaining opal resources likely to exist there. A detailed spatial...-
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Published: 01 Jan 2020
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Mount Crawford [clay deposits]. Progress reports to licence expiry/full surrender for the period 1/3/1970 to 31/8/1970.
Further evaluation of the development potential and marketability of white clay deposits found in the Mount Crawford area, that contain around 12 million tonnes of quartz-kaolin material, has been conducted by a new interested party, Springton Clays,...-
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