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Lake Cadibarrawirracanna. Progress and final reports to licence expiry/full surrender for the period 3/6/1980 to 2/12/1980.
Thirty-two shallow auger holes up to 2.76 m deep were drilled into the floor of Lake Cadibarrawirracanna, situated 70 km west of William Creek, in a search for possible potash-rich brines trapped by the lake sediments. The lacustrine sediments were...-
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RB 88/00087 Coober Pedy Precious Stones Field - CRA Exploration Pty Ltd drilling, 1987.
3 diamond and 15 rotary-percussion holes were drilled in 1987 by CRA within EL 1330 on the southern part of the Field (PSF), this licence having been granted to the company for the exploration of strata below 50 metres depth in the subsurface. The...-
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Published: 01 Nov 1988
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Naarack, Mabel Creek and Wintinna (part of the Arckaringa Basin Project). Respective final reports at licences' joint full surrender, for the period 26/3/2008 to 2/4/2010.
In a search for postulated Tertiary heavy mineral sands marine placer deposits that may have been formed outside of the presently known north-eastern extent of such age sedimentary basins (i.e. along a proto Eucla Basin coastline existing within the...-
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Oolgelima Creek. Annual reports and final report to licence expiry/full surrender, for the period 30/1/2017 to 29/1/2020.
An area consisting of two adjacent small sub-blocks located in the western Lake Cadibarrawirracanna drainage basin has been explored for possible buried economic magnesium- and sodium-sulphate salts and also for possible underlying basement-hosted...-
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Published: 29 Jan 1920
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[Results of in-house] Bench scale epsomite testwork.
Results of a programme of laboratory scale testwork conducted to investigate fresh water leaching of epsomite ore originating from Coober Pedy in South Australia are as follows: 1). The ore when leached readily producing brines of uniform...-
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Published: 16 Apr 1986
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Coober Pedy. Annual reports to licence expiry/full surrender, for the period 1/11/2016 to 31/10/2019.
A large area situated on the north-eastern side of the Stuart Range, comprising three separate sub-blocks that taken together are centred ~20 km north of Coober Pedy township, has been explored for possible economic near-surface accumulations of the...-
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Coober Pedy. First partial surrender report, for the period 1/11/2016 to 31/10/2018.
An area located immediately east and north-east of Coober Pedy is being explored for possible economic near-surface accumulations of the evaporite industrial mineral epsomite. Historic drilling and costeaning in this area performed by CRA Exploration...-
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Giddi Giddinna Creek. Progress reports and technical reports to licence expiry/lapse of tenure, for the period 16/6/1983 to 23/9/1987.
In early 1983, mineral prospector Peter Tayler discovered a near-surface secondary occurrence of magnesium and sodium sulphates in a creek-bank exposure of Mesozoic shales, deposited at the base of the Lower Cretaceous Bulldog Shale near the western...-
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Published: 23 Jun 1987
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Oolgelima Hill. First partial surrender report, for the period 15/7/1983 to 14/7/1984.
Investigation of a reported occurrence of magnesium and sodium sulphates in a black shale at the base of the Cretaceous Bulldog Shale, found previously about 50 km north-east of Coober Pedy near the western margin of the Eromanga Basin, was initially...-
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Published: 24 Aug 1984
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Curdimurka. Progress reports for the period 19/12/86 to 18/6/88.
TARGET: Celestite in the Lake Eyre South region. EXPLORATION: Market research, stream sediment, soil and bedrock sampling, backhoe trenching and drilling. RESULTS: A number of small celestite occurrences and strontium-bearing limestone were defined.-
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Published: 01 Jan 1988
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ELs 4110 - 4114, 4136 and EL 4137 (part of the Arckaringa Basin Project). Joint annual reports, plus final report to remaining licences' joint full surrender, for the period 26/3/2008 to 30/1/2012.
A group of seven adjacent licences were taken out near Cadney Park Homestead in the southern Arckaringa Basin region, extending for ~45 km to ~180 km north-west of Coober Pedy, to explore for possible buried Tertiary, palaeodrainage sediment-sourced,...-
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Oolgelima Creek. First annual report plus final report to licence expiry/full surrender, for the period 31/8/2012 to 30/8/2014.
Three separate small areas on the eastern edge of the Stuart Range, that are located 30 to 45 km north and north-east of Coober Pedy, have been explored both for possible buried Proterozoic basement-hosted IOCG-style mineralisation and for large...-
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Published: 10 Oct 1914
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Lake Cadibarrawirracanna. First annual report plus final report to licence expiry/full surrender, for the period 31/8/2012 to 30/8/2014.
An area centred over Lake Cadibarrawirracanna, which is located ~70 km east-northeast of Coober Pedy, has been explored both for possible buried Proterozoic basement-hosted IOCG-style mineralisation and for large sedimentary evaporite occurrences of...-
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Published: 10 Oct 1914
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Giddi Giddinna Creek. Progress reports for the period 7/12/1987 to 6/6/1988.
Investigation of the economic potential of magnesium sulphate and sodium sulphate secondary mineralisation discovered within the Early Cretaceous Bulldog Shale, 20 km north of Coober Pedy, was terminated following heap leaching trials.-
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Oolgelima Hill. Progress reports plus second partial surrender report, for the period 14/7/1983 to 14/10/1986.
Evaporite minerals in black shale at the base of the Early Cretaceous Bulldog Shale near the western margin of the Eromanga Basin were the target about 50 km NE of Coober Pedy. Reconnaissance mapping, soil sampling, auger drilling and the backhoe...-
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Published: 03 Nov 1986
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Ouldburra and Marla (part of the Arckaringa Basin Project). Respective first partial surrender reports for the overall period 26/3/2008 to 2/4/2010.
In a search for postulated Tertiary heavy mineral sands marine placer deposits that may have been formed outside of the presently known north-eastern extent of such age sedimentary basins (i.e. along a proto Eucla Basin coastline existing within the...-
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