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RB 77/00074 Seismic refraction investigations in the Polda Coalfield.
A seismic cross-section along the Lock-Tuckey portion of the Polda Basin shows that bedrock is between 600 m and 900 m deep. Bedrock probably, consists of either Mt. Wedge type grits and con-glomerates or weathered crystalline basement. The basin...-
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Published: 01 Jan 1977
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RB 80/00145 Mucka Cudla no. 1 well completion report.
Based on results of SADM seismic refraction surveys Mucka Culda no. 1, 17 km NE of Colton, was drilled on shotpoint 6W of the Mount Wedge seismic traverse, for coal potential of the Polda Basin. Lignite was found in the thick Tertiary section. Absence...-
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Published: 01 Jan 1980
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RB 81/00116 Late Jurassic Polda Formation, Eyre Peninsula.
There is no abstract created for this record-
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Published: 01 Jan 1982
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RB 90/00074 Explanatory Notes for the ELLISTON 1:250 000 map sheet.
There is no abstract created for this record-
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Published: 01 Nov 1990
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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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RB 00813 Palynology of the Lock Coalfield, synoptic report.
Palynological examination of selected intervals from certain drillholes in the area of the Lock Coalfield, together with observations on Tuckey 1 and Mucka Cudla 1, were performed to try to distinguish between Jurassic and Early Tertiary sediments...-
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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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Combined report on the full surrender of Sheringa EL 688 and partial surrenders for McLachlan EL 670 and Tuckey EL 687, Polda Basin, South Australia, 17th May 1982.
Relinquishment of parts of the licenses held in the Lock, Tuckey and Tooligie area was made following drilling (31 holes totalling 2 960 metres) to investigate lignite occurrence in the Polda Basin. Possible reserves of Jurassic and Eocene coals in...-
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Published: 01 Jan 1982
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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
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Wombat Flat. Progress reports and final report to licence full surrender, for the period 19/2/1980 to July 1982.
The subject area, which covered the western onshore portion of the Polda Trough, was initially acquired to explore buried probable Carpentarian sediments for base metals and uranium, but a subsequent review of available information suggested that...-
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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 2013
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Data release - as updated : Lock. Annual reports plus final report to licence's full surrender, for the period 16/12/2008 to 13/4/2017.
No field work was done during all of licence Years 6 to 13, until the tenement was eventually surrendered. An office -based assessment was performed on ground geophysical data collected during the earliest years of tenure, allowing some new targets to...-
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Published: 28 Mar 2017
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RB 90/00001 Explanatory Notes for the KIMBA 1:250 000 geological map.
The KIMBA 1:250 000 geological map sheet (hereafter referred to as KIMBA) lies in central Eyre Peninsula, extending between latitudes 33° to 34° S and longitudes 135° to 136°30'E (Fig 1). The principal towns are Kimba and Cleve, with smaller towns at...-
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Published: 01 Dec 1989
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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 2013
