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Goolwa - Strathalbyn - Murray Bridge - Mannum area. Progress reports and final report to licence full surrender/re-issue as part of a larger tenement, for the period 13/11/1979 to 21/2/1985.
A multi-commodity mineral exploration programme carried out over an area between Mannum and Strathalbyn, seeking buried targets concealed in Tertiary sediments and basement rocks, comprised aerial magnetic, radiometric and EM surveys; groundwater,...-
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Published: 01 May 1985
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Echunga. Progress reports and final report to licence expiry/full surrender, for the period 11/2/1985 to 10/2/1987.
Exploration for possible buried diamondiferous kimberlite intrusions that may be present in the Adelaidean and Cambrian rocks of the Echunga district has included the reprocessing, via proprietary filtering and edge enhancement ['gradient strings']...-
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Milang. First partial relinquishment report at licence expiry/renewal, for the period 13/11/1979 to 21/2/1985.
Within the now relinquished portion of the licence area, four gravity traverses totalling 34.4 line km and 11 rotary mud drillholes for 593.2 m were completed by CRA in a search for possible sedimentary roll-front type uranium deposits formed within...-
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Published: 15 Apr 1985
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Angaston. Progress reports and final report to licence expiry/full surrender, for the period 11/12/1981 to 10/12/1984.
As part of a base metal exploration programme looking for possible stratabound or exhalative/hydrothermal deposits in Cambrian metasediments, which was undertaken approximately 75 km north-east of Adelaide, stream sediment sampling along the base of...-
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Published: 07 Mar 1985
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Vivonne Bay, Kangaroo Island. Progress and final reports to licence expiry/renewal for the period 27/4/1977 to 26/4/1979.
Exploration for possible economic stratiform/volcanogenic base metal sulphide deposits hosted by the (elsewhere) pyrite - bearing Early Cambrian Bruckunga Formation, in the Vivonne Bay district on south-central Kangaroo Island, was hampered by the...-
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Published: 27 Apr 1979
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Vivonne Bay, Kangaroo Island. Progress reports and final report to licence expiry/full surrender, for the period 10/7/1979 to 9/3/1981.
Continuing stream sediment sampling and soil sampling conducted across the entire EL has confirmed some weakly anomalous lead, zinc and copper results (e.g. to 340 ppm Pb in Fernandez Creek), but more detailed infill and repeat sampling in many cases...-
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Published: 13 Feb 1981
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Truro. Progress reports to licence expiry/full surrender, for the period 15/7/1991 to 29/10/1997.
Gold, base metal and diamond exploration carried out over a small area located immediately south-east of Truro has comprised detailed BLEG stream sediment sampling across the licence, limited rock chip geochemical sampling of quartz veins, alluvium...-
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Published: 15 Apr 1998
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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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Kangaroo Island. Combined first annual/final report to licence expiry/full surrender, for the period 2/1/1997 to 1/1/1998.
Mineralogical studies and BLEG geochemical analyses performed on three stream sediment samples taken from drainage valleys crossing the Dudley Peninsula on Kangaroo Island showed no kimberlitic indicator minerals or traces of alluvial gold. Prior...-
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Truro. Progress reports and annual reports to licence expiry/renewal, for the period 15/7/1991 to 14/7/1996.
CRA's acquisition and interpretation of aeromagnetic and ground magnetic surveys, plus its gravel and stream sediment sampling, have successfully located a few kimberlites in the Truro area, 70 km north-east of Adelaide, where a large number of...-
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Eden Valley. Annual reports plus final report to licence full surrender, for the period 25/9/1995 to 13/5/1998.
Reconnaissance gravel and rock chip sampling were carried out in the Rockleigh - Eden Valley area, 50 km north-east of Adelaide, to further investigate a kimberlitic indicator minerals cluster defined on the licensee's adjoining Truro EL 1732. A few...-
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