-
RB 44/00108 Letter to the Senior Warden re. ways of resolving issues with legal compliance of precious stones claim working practices currently being followed on the Andamooka Opalfield.
There is no abstract created for this record-
Document
Published: 27 Jun 1957
-
RB 86/00070 Andamooka Opalfields results of the 1984 prospecting scheme.
Andamooka Opal Fields, have been major world producer of precious opal since 1933. Opal has formed within a weathered, bleached profile at the interface of white, sandy claystone (Kopi) and underlying, grey brown montmorillonitic clay (Mud) near the...-
Document
Published: 01 Sep 1986
-
RB 88/00087 Coober Pedy Precious Stones Field - CRA Exploration Pty Ltd drilling, 1987.
3 diamond and 15 rotary-percussion holes were drilled in 1987 by CRA within EL 1330 on the southern part of the Field (PSF), this licence having been granted to the company for the exploration of strata below 50 metres depth in the subsurface. The...-
Document
Published: 01 Nov 1988
-
Mabel Creek. Annual and final progress reports to licence expiry/full surrender for the period 3/12/1999 to 2/12/2003.
As part of an exploration project targeting possible large-scale opal occurrences hidden at depth beneath marine shale outcrops in the Stuart Range 'Breakaway' country, the subject licence was taken up to cover certain ground lying adjacent to the...-
Document
Published: 25 Jun 1903
-
Mount Willoughby. Annual reports to licence expiry/full surrender for the period 11/1/2001 to 10/1/2005.
Exploration for opal, carried out in an area of the Stuart Range located approximately 130 km north-northwest of Coober Pedy, has included a compilation of geological and opal occurrence data, photogeological interpretation of aerial photographs,...-
Document
-
Ely Hill and Ant Hill. Combined and separate annual reports to licence expiry/full surrender for the period 10/1/1997 to 17/12/2004.
The subject adjacent licence areas, located approximately 55 km north-northeast of Coober Pedy, were the first tenements taken out for regional opal exploration under the provisions of the newly proclaimed South Australian Opal Mining Act 1997. The...-
Document
Published: 17 Dec 1904
-
Ouldburra Hill. First annual and final report for the period 25/6/2002 to 24/6/2003.
A small area of opal workings examined near Ouldburra Hill, 35 km south-east of Marla, was thought to indicate local potential for finding and developing larger scale deposits. Research and review of available historic data showed that the area holds...-
Document
-
Abminga Diamond Project. Data release made at licence renewal [and project cessation]: progress reports and annual reports for the period 25/10/1993 to 17/3/2004.
The Abminga Diamond Project, undertaken by Caldera Resources NL, was granted exploration project status, including permission for EL joint reporting, in July 1996. This event followed up to two years of work by other operators on a number of...-
Document
-
RI 056 Geology of the Coober Pedy Precious Stones Field Results of Investigations, 1981-86
The Coober Pedy Opal Fields, since their discovery in 1915, have been the largest producer of precious opal in the world, with the estimated value of production over the period 1978-86 averaging $25 million per year. Mining is now done mainly by...-
Document
-
ExpNotes WINTINNA: Explanatory Notes WINTINNA
A new generation, first edition WINTINNA 1:250 000 scale geological map and explanatory notes have been published. These documents represent the conclusion of the Geological Survey of South Australia's geological mapping program undertaken in the...-
Document
-
RB 76/00064 Report of geology, MURLOOCOPPIE 1:250 000.
There is no abstract created for this record-
Document
Published: 01 Jan 1976
-
RB 2008/00012 Coober Pedy Opal Exploration Drilling Program 2005.
Two South Australian Government grants totalling $100 000 have been used by the Coober Pedy Miners Association Inc. to fund the use of an auger drilling rig on a drilling programme designed to explore for opal at selected locations away from the known...-
Document
Published: 01 Oct 2008
-
RB 2008/00013 High Resolution Resistivity Test Survey: Coober Pedy.
A new high-resolution resistivity measurement instrument, developed by ZZ Resistivity Imaging Pty Ltd, was tested within the Coober Pedy Precious Stones Field, located 900 km north-west of Adelaide, to determine its suitability for assisting in opal...-
Document
Published: 01 Oct 2008
-
RB 2015/00005 Opal Exploration Program — Andamooka Opal Fields.
Opal at Andamooka is found in the Bulldog Shale, a stratigraphic unit comprising shallow marine-deposited sediments of Cretaceous age. The opal mostly has formed within a bleached sediment weathering profile developed at the contact of a sandy...-
Document
Published: 01 Apr 2015
-
RB 2014/00005 WINTINNA, South Australia, [geological map] sheet SG53-14. South Australia. Geological Survey. 1:250 000 Series - Explanatory Notes.
The WINTINNA 1:250 000 mapsheet area lies between latitudes 27° to 28° South and longitudes 133°30’ to 135°00’ East. This ~16 400 square km area includes the Marla and Cadney Park settlements, and is crossed by the Stuart Highway and Adelaide to...-
Document
Published: 01 Mar 2015
-
Ruby Hill. Progress and final reports to licence surrender for the period 1/12/1980 to 31/5/1982.
During a search for possible diamondiferous rocks within an area lying to the north of William Creek and abutting the south-eastern side of the Peake and Denison Ranges, stream sediment sampling and a low level, 5300 line km aeromagnetic / radiometric...-
Document
Published: 02 Jun 1982
-
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...-
Document
Published: 01 Apr 2015
-
RB 2010/00003 High Resolution Resistivity Test Survey: Andamooka.
A new high-resolution resistivity measurement instrument, developed by ZZ Resistivity Imaging Pty Ltd, was tested within the Andamooka Precious Stones Field, located 640 km by road north of Adelaide, to determine its suitability for assisting in opal...-
Document
Published: 01 Feb 2010
-
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...-
Document
-
Mabel Creek. Partial surrender report for the period 3/12/1999 to 2/12/2000.
Aerial photointerpretation, digital terrain model interpretation, a review of previous drilling data, and field reconnaissance of target rock unit outcrops were carried out 55 km north-west of Coober Pedy, adjacent to the western margin of the Coober...-
Document
