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RB 60/00082 Coober Pedy Opalfield.
Mapping of the Coober Pedy Opalfield has shown that opal occurrence, although erratic, is not entirely unpredictable. Several groups of workings are present in an area of about 150 square miles. The host rock is a distinctive pink and white...-
Document
Published: 30 Apr 1965
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RB 86/00069 Precious opal and the weathered profile at Coober Pedy.
The Coober Pedy Precious Stones Field is the largest producer of precious opal in the world. The opal is the product of weathering processes and is localised within the weathered profile. It occurs in early Cretaceous marine claystone of the Bulldog...-
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Published: 01 Nov 1986
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RB 83/00007 Coober Pedy Opalfields - Results of the subsidised exploration programme, 1981.
221 shafts were drilled. Precious opal or potch was found in 11 shafts and good sandstone prospective for opal in 34 shafts. A new field, Southern Cross, was established subsequent to the discovery of potch in subsidised shaft 85.-
Document
Published: 01 Mar 1983
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Coober Pedy. Investigation of alunite occurrence.
At the request of several interested parties from Coober Pedy, 17 channel and grab samples of alunite-bearing clays obtained from opal workings near the town were analysed for their alunite content and its purity. Recent inspections by the author of...-
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Callanna and Marree areas (Marree West Project). Combined first annual/final report to licences' expiry/full surrender for the period 22/10/2007 to 21/10/2008.
Exploration for possible economic buried sedimentary uranium mineralisation, thought to be associated with an interpreted palaeodrainage EM anomaly originating within Mesozoic or Tertiary strata in two areas near Marree, addressed the potential for...-
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ExpNotes COOBER PEDY: Explanatory Notes COOBER PEDY
There is no abstract created for this record-
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Mount McCallum [formerly Wertaloona]. Progress reports to licence expiry/renewal, for the period 28/7/1975 to 27/7/1977.
In the search for possible economic sedimentary uranium lately centred on buried Tertiary palaeochannels in the vicinity of Munyallina Creek, where earlier good drilling indications of roll-front uranium mineralisation had been detected, licence...-
Document
Published: 11 Oct 1977
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Andamooka. Progress and final reports to licence surrender for the period 26/11/1970 to 25/5/1972.
An area situated adjacent to the recently defined Andamooka Opalfield, and located about 20 miles north of Andamooka township centre, has been explored for possible economic occurrences of opal or base metals within Cretaceous and Precambrian strata...-
Document
Published: 07 Jan 1972
