-
Minbrie. Progress reports for the period 28/6/1973 to 27/6/1975.
Reports describe the ongoing field prospecting and downstream jade marketing activities associated with the Cowell nephrite jade discovery. Black nephrite blocky material extracted from the operating company's new mining leases (MLs 4130-4132) was...-
Document
Published: 09 Aug 1975
-
RB 37/00149 Appraisal of Torrens barite mine, Hundred of Onkaparinga.
In February 1951, South Australian Barytes Limited became interested in this mine, held under claim by Reginald John Alfred Larsson and requested an inspection by Department of Mines officers. This request was repeated, and endorsed by Larsson in...-
Document
Published: 17 Jun 1954
-
RB 39/00001 Observations on beryl mineralization in the Outalpa Old Boolcoomata area.
Beryl in this area is confined to pegmatite; particularly the coarsely zoned types, which are commonly quarried for feldspar. Feldspar quarries have in the past yielded much bi-product beryl, but at present beryl is not being produced owing to...-
Document
Published: 01 Jan 1955
-
RB 59/00148 Visit to Lightning Ridge Opalfield, NSW. 19-20th November 1963.
A comprehensive survey of the opal mining industry in South Australia is at present being undertaken. Because of the peculiar nature and conditions associated with the opal industry it was thought that an inspection of the important opal field at...-
Document
Published: 01 Jan 1964
-
RB 59/00151 Review of the opal mining industry in SA.
There is no abstract created for this record-
Document
Published: 01 Jan 1964
-
RB 58/00029 Report on Lightning Ridge Opalfield, NSW, and the occurrence of precious opal.
There is no abstract created for this record-
Document
Published: 01 Jan 1964
-
RB 60/00068 Mintabie Opalfield.
A brief inspection of the workings, situated 120 miles west-northwest of Oodnadatta, showed that both precious and common opal occur in arenaceous sediments which have been affected by the Tertiary laterite forming process. Mining and living...-
Document
Published: 01 Jan 1967
-
RB 60/00130 Opal occurrence, Myall Creek Station (inspected on 25/6/1965).
Common opal occurs in bleached (pallid zone) Precambrian sediments beneath a porcellanite capping. The workings are not extensive, and no precious opal is known to have been found. The deposit is significant because the opal is associated with the...-
Document
Published: 01 Jan 1967
-
RB 49/00157 Short report on Brays beryl prospect - Olary Province.
This prospect, which is owned by Mr. Bray of Olary, was visited with Mr. Bray on 22nd September, 1959. The purpose of the visit was a request from Mr. Bray for geological advice to help him determine which direction to begin working the deposit. The...-
Document
Published: 01 Jan 1959
-
RB 46/00025 Beryl deposits in South Australia.
South Australia’s most promising beryl deposits are in the Olary region about 250 miles north-east of Adelaide. Occurrences in other parts of the state are known. Beryl is widespread in small amounts in pegmatite of the Olary region and has been...-
Document
Published: 01 Jan 1959
-
RB 46/00222 Report on visit to Western Australian manganese and beryl deposits.
During the period May 27th - June 21st, 1958, the writer visited Western Australia and by courtesy of the Geological Survey of Western Australia and the Commonwealth Bureau of Mineral Resources was guided to a number of the most important manganese...-
Document
Published: 01 Jan 1958
-
RB 47/00123 Andamooka Opalfield.
Sediments tentatively assigned to the Marinoan Series (late pre Cambrian age) unconformably underlie Mesozoic and Cainozoic sediments in the area investigated. Opal is known to occur at three horizons and may occur in a fourth within the Mesozoic...-
Document
Published: 01 Jan 1960
-
RB 84/00060 Mineralogy of three samples of heavy mineral sands from Moniers sand pit, Golden Grove.
Samples contained substantial amounts of staurolite and minor heavy minerals (tourmaline, muscovite, ilmenite, rutile, kyanite and sillimanite), but not abundant enough to be of economic interest.-
Document
Published: 01 Jul 1984
-
RB 86/00031 Reconnaissance sampling for heavy mineral sands, Kangaroo Island.
Beach sands, dunes and selected creek sand were sampled. Kanmantoo Group metasediments that underlie most of the island, basalt and granite are favourable source rocks for heavy minerals. They are being actively eroded along most of the coastline but...-
Document
Published: 01 May 1986
-
RB 86/00027 Aluminosilicates of the Olary region.
37 thin sections were examined and 3 specimens selected as possibly indicating potential ore deposits. Uncertainty is introduced by extreme variability of the material. The selected specimens contain andalusite as major aluminosilicate mineral. No...-
Document
Published: 01 May 1986
-
RB 77/00147 Kathleen Patricia Morion mine, secn 83 Hd Miltalie, Co. Jervois, ML 4571 - N.P. Smith.
There is no abstract created for this record-
Document
Published: 01 Jan 1977
-
RB 78/00154 Stuart Creek agate deposit.
Agate or banded chert nodules weather out of the Cambrian Andamooka Limestone over an area of several square kilometres south of the Stuart Creek Opal field. In places the agate nodules are concentrated into extensive deflation lag gravels. Banding is...-
Document
Published: 01 Jan 1978
-
RB 79/00124 Baila Hill amazonite deposit.
There is no abstract created for this record-
Document
Published: 01 Jan 1979
-
RB 87/00119 Dudley pegmatite - Preliminary investigation for kaolin, feldspar, silica and gem tourmaline (section 79, Hundred Dudley).
The Dudley pegmatite, located 10.5 km south-east of Penneshaw, was worked during the 1890s and early 1900s for gem tourmaline, ceramic-grade feldspar and silica, and kaolin for brickmaking. The pegmatite outcrop strikes in a north-easterly direction...-
Document
Published: 01 Sep 1987
-
RB 86/00035;Lib Review of diamond drilling of nephrite jade deposits near Cowell, South Australia.
Jade was first discovered in 1965, 20 km north of Cowell. It consists of nephrite formed within the migmatised Early Proterozoic Minbrie Gneiss Complex, with host rocks of dolomite marble and banded calc silicates. Alteration zones around nephrite...-
Document
Published: 01 Jun 1986
