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RB 2018/00025 Mintabie opal resource evaluation: Current value of opal resources and projected value of undiscovered resources.
A detailed spatial analysis recently performed by the Geological Survey of South Australia (GSSA) shows that at Mintabie, after approximately 40 years of mining carried out to look for opal, an area totalling less than 2 square km has been...-
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Published: 01 Aug 2018
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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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Wingilpin Bluff. First annual / final report to licence surrender for the period 27/3/2003 to 16/12/2003.
Evaluations of 3.5 m resolution digital elevation models lately acquired over the Wingilpin Bluff area, located 75 km north-east of Kingoonya, have indicated that substantial Tertiary and Recent erosion has removed most of the potential opal-bearing...-
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Kangaroo Island Project. Joint annual reports and final report to licences' joint surrender, for the period 1/10/1996 to 30/9/1998.
Diamond exploration which was undertaken across practically the whole of Kangaroo Island, barring national and conservation parks and reserves, sought to test the potential of the island to contain kimberlite pipes and / or associated rock types, and...-
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White Hill. Combined first annual/final report to licence full surrender, for the period 19/7/2002 to 9/12/2004.
Reconnaissance geological mapping of existing, previously quite productive opal workings in the White Hill area of the Stuart Range 'Breakaway' country, 100 km south-east of Coober Pedy, was followed by exploratory and infill narrow-hole auger deep...-
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Ely Hill and Ant Hill. Combined and separate annual reports to licence expiry/full surrender for the period 10/1/1997 to 17/12/2004.
The subject adjacent licence areas, located approximately 55 km north-northeast of Coober Pedy, were the first tenements taken out for regional opal exploration under the provisions of the newly proclaimed South Australian Opal Mining Act 1997. The...-
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Published: 17 Dec 2004
