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Data release - as updated [made at SA Director of Mines’ discretion] : Lock. Annual and combined annual reports for the period 22/4/2010 to 21/4/2014.
An exploration licence comprising three separate sub-blocks has been taken up with the primary goal of assessing the potential for additional coal resources to occur in proximity to the Lock coal deposit. During licence Year 1, the licensee sourced...-
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Published: 22 Mar 1913
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Bull 037 Geology and Mineral Resources of Southern Eyre Peninsula
A regional geological survey covered 15 standard 1-mile map sheets. Detailed mapping established a 50 000 ft sequence of Archaean sedimentation of gneissose, schistose and granitoid rocks, migmatite, quartzite, dolomite and haematitic quartzite. These...-
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Lock Coal Deposit. Progress reports and final report to licence full surrender, for the period 24/1/1977 to 20/10/1978.
The 1976-1978 drilling programme carried out in the Lock district was designed to establish the quantity, quality and extent of the known brown coal occurrence there. Exploration Licence (EL) 280, taken out by the Director-General, SA Department of...-
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Data release - as updated [made at SA Director of Mines' discretion] : Lock [Coalfield]. Annual reports and technical reports for the period 24/5/1993 to 26/10/2014.
The Lock Jurassic sub-bituminous coal deposit was discovered by the South Australian Department of Mines and Energy in 1977. The Lock Coal deposit lies within the eastern portion of the Polda Basin on the Eyre Peninsula. The deposit covers an area of...-
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Published: 01 Nov 1913
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McLachlan, Tuckey, Sheringa and Lock. Joint progress reports and joint final report to licences' joint expiry/full surrender, for the period 8/7/1980 to 17/4/1985.
In mid-1980, CRA Exploration took out four mineral tenements in the Polda Basin area of western Eyre Peninsula to explore for Tertiary and Jurassic lignites and also for possible Permian sub-bituminous coal. Interest in this area had been generated by...-
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Published: 25 Mar 1985
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McLachlan. Progress and final report to licence surrender for the period 7/9/82 to 6/3/83.
The search for stratiform / stratabound base metals of the Broken Hill / Aggeneys type was extended from Warramboo to the McLachlan area because of similar magnetic features. 11 RAB holes (total 664 m) drilled over magnetic and geochemical anomalies...-
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Published: 09 May 1983
