-
RB 80/00026 Opal in South Australia.
Enlarged written version of a talk on the geology of opal, its occurrence and mining methods prepared for public presentation.-
Document
Published: 01 May 1980
-
RB 88/00010 Maralinga Lands - 1987 drilling.
Seven wells were drilled in the Oak Valley area. One well drilled at the airstrip yielded 3 L/s of 74 000 mg/L water, a quality that is only suitable to use for compaction. Three wells drilled close to swamps located west of Oak Valley gave low yields...-
Document
Published: 01 Mar 1988
-
RB 90/00073 Mintabie Opalfield mining and geology.
Mintabie Opalfield, one of the most important production centres in Australia, was discovered in the early 1920s but mining only began in earnest in 1976. Precious opal is confined to Mintabie beds, a kaolinitic sandstone of presumed Ordovician Age,...-
Document
Published: 01 Nov 1990
-
Murrawijinie, Denman, Koonalda and Cook [Wigunda]. Progress and final reports for the period 7/7/80 to 27/7/81.
Cretaceous sediments in the Eucla Basin portion lying within South Australia's far west were investigated for their oil shale potential. This search was prompted by a recorded occurrence of a thick, oily Cretaceous shale horizon intersected in a...-
Document
Published: 10 Jun 1981
-
PEL 33, Eucla and Denman Basins. Progress reports for the period 25/6/85 to 18/4/89.
Contains interpretation reports on satellite imagery remote sensing and reprocessed aeromagnetic data, plus other brief interpretative statements by the contract operator contained within some quarterly tenement reports.-
Document
Published: 18 Apr 1989
-
1987 seismic surveys, Denman and Denman 'B', final reports.
Denman Seismic Survey - AIM: This seismic survey of 4 lines totalling 40.0 line kms coverage was conducted in the southern Denman Trough, in the vicinity of Outback Oil's Denman 1 well drilled in 1966, in order to fulfil the Licence Year 2 work...-
Document
-
RB 00843 Geology of the Maralinga area, South Australia.
Maralinga is located on the crest of the Ooldea Range, an ancient (Tertiary) coastal dune which is bounded to the south by the Nullarbor Plain and to the north by Tietkens Plain. The dune field of the Great Victoria Desert covers much of the region...-
Document
-
RB 2018/00025 Mintabie opal resource evaluation: Current value of opal resources and projected value of undiscovered resources.
A detailed spatial analysis recently performed by the Geological Survey of South Australia (GSSA) shows that at Mintabie, after approximately 40 years of mining carried out to look for opal, an area totalling less than 2 square km has been...-
Document
Published: 01 Aug 2018
-
Data release - as updated [made at SA Director of Mines’ discretion] : Ooldea. Annual reports to licence expiry/renewal, for the period 1/9/2005 to 31/8/2010.
An area centred ~230 km north-west of Ceduna, in the far north-eastern corner of the Nullarbor Plain, and lying just south of the Ooldea railway siding on the Trans Australian Railway line, is being explored for possible economic buried deposits of...-
Document
-
RB 2020/00001 Mintabie opal resource evaluation: current value of opal resources and projected value of undiscovered resources (second edition, 2020).
The Mintabie Precious Stones Field (MPSF) has, since the early 1920s, produced some of the finest quality opal in the world. This report provides a review for understanding the remaining opal resources likely to exist there. A detailed spatial...-
Document
Published: 01 Jan 2020
