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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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ExpNotes GILES: Explanatory Notes GILES
Concealed basement on GILES comprises ?Archaean to Palaeoproterozoic metamorphic rocks belonging to the Nawa Subdomain of the Gawler Craton. These are intruded by Mesoproterozoic Hiltaba Suite granitic bodies and Mesoproterozoic or Neoproterozoic...-
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