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During the eighth year of tenure, work done on EL 2639 included: - the conduct of infill ground gravity and CSAMT surveys; - geophysical modelling and interpretation of the new survey data; - geological interpretation and refinement of drilling...

An exploratory drilling programme (23 vertical rotary/NX diamond core holes for a total penetration of 487 feet 10 inches) was carried out during May-June 1969 on the surface of Lake MacDonnell, which covers an area of approximately 4.5 square miles....

Recent exploration by CSR for new rock gypsum deposits on Kangaroo Island which might contain material suitable for calcining to make plaster products has located several minor gypsum occurrences in low-lying areas on the eastern side of the island,...

Exploration activity on Exploration Licences 5016 (Whichelby), 5308 (Mount Hall), 5398 (Sceales), 5787 (Yanerbie) and 5814 (Tootla) is focused on gypsum and kaolin deposits. The tenements are grouped in the Poochera Project Amalgamated Expenditure...

A total of 6 test pits and 4 hand auger holes were constructed to extend and delineate the known reserves of seed gypsum at Parcoola, located approximately 40 km north-northeast of Waikerie, and to explore for possible further reserves of higher grade...

In an area located west of Waikerie and adjacent to the River Murray, field examination of gypsum bed outcrops and the measuring of strata sections, plus shallow definition drilling (64 holes for a total penetration of 312 m) and backhoe trench...

Marketable quality gypsum was the major commodity sought in Recent salt lakes and marginal dunes of a large swamp in the Kyancutta area. Reconnaissance mapping, plus hand or power auger drill sampling of the near-surface sediments, has identified...

TARGET: Potentially commercial gypsum, salt or silica occurrences in Holocene paralic lakes and marginal dunes, in an area immediately north-east of Coffin Bay. EXPLORATION: Bulk sampling of lacustrine evaporitic sediments and related aeolian deposits...

Four potentially commercial Pleistocene gypsum occurrences located 2.5 km east of Linke's gypsum mining leases, that had previously been outlined by CSR under its lapsed Mineral Claim 2097, were drill-tested by Hooker Resources (46 reverse circulation...

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...

An area located immediately south-east of Blanchetown has been explored for possible economic shallowly buried occurrences of Quaternary gypsum. Work included aerial photo interpretation and reconnaissance auger drilling, the drilling of 89 shallow...

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TARGET: Gypsum in dune and salt lake deposits; groundwater for possible water supply. EXPLORATION: Auger drilling of aeolian dunes and 7 salt lakes, reverse circulation drilling (16 holes totalling 410 m) for water. RESULTS: A resource of 4 Mt @ 88%...

Regional geological mapping of the area was initiated in 1959 and was completed in 1964. All tracks in the area were traversed and detailed mapping confined to critical localities and to areas where this was considered desirable. Geological boundaries...

32 rock samples, of unknown age, taken from the carbonate sequence intersected above the salt diapir section in SADME Wilkinson 1 stratigraphic drillhole, were examined petrographically to determine their possible depositional environment. Another 21...

This report covers work carried out on behalf of the Colonial Sugar Refining Co, Ltd to separate fine gypsum from granular seed gypsum. Using an air separator, good separations of the two types were obtained.

The Colonial Sugar Refining Company requested that tests be carried out on gypsum bearing material from their deposit at Manara, New South Wales. A gypsum concentrate is being produced at the moment from a plant at the deposit but difficulty in...

The Colonial Sugar Refining Company Limited submitted samples of dune gypsum material from Lake Fowler for treatment; A product free from fine, or flour, gypsum was required. Air separation methods had been used on dried material from this deposit in...

The operation of a planned industrial plant, designed to produce Portland cement and sulphuric acid from anhydrite, is described. Profitable operation of the process in South Australia, using gypsum as the principal raw material, is shown to be...