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RB 76/00119 Silcrete sediments and stratigraphy.
There is no abstract created for this record-
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Published: 01 Jan 1976
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RB 2015/00007 Coober Pedy Precious Stones Field 40Ar/39Ar geochronology of alunite and opal formation.
Precious opal in South Australia occurs near the base of the weathered profile developed in Early Cretaceous host marine clastic sediments. It is associated with the supergene minerals alunite, kaolinite, gypsum and iron oxides, that are variously...-
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Published: 01 Apr 2015
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Ely Hill, Ant Hill, Mabel Creek and Mount Willoughby (Coober Pedy North Opal Project). Second partial surrender report for the period 10/1/97 to 2/11/2001.
Exploration for large-scale opal deposits over an area north and north-west from Coober Pedy included literature research, air photo interpretation, digital terrain modelling, and field reconnaissance. No unrecorded previous opal workings were...-
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