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129 samples indicate that 4 deformation phases are present within this dominantly gneissic terrain: D1, D2, D3, and D5.

Petrology of 174 rocks indicate that 5 deformation phases (D1 - D5) are present within this dominantly schistose domain. Describes many samples which contain gneissosity, schistosity or crenulation.

Precambrian rocks which crop out only on southernmost parts of the area are described. They consist of poorly outcropping ?Umberatana Group and Willyama Complex. The latter includes late stage doleritic pegmatoid and granitoid intrusives and well...

Describes geology of all known chiastolite localities.

In South Australia the Gawler Province displays a history of early Proterozoic orogenic evolution and transitional tectonism leading to deposition of the Gawler Range Volcanics (ca 1500 Ma) on a relatively stable platform. A fragmentary record of...

The eponymous 'Antro' pegmatite, which lies 33 km north-west of Olary and close to the Antro Station woolshed, is an elongate soda feldspar body formed conformably within Willyama Complex mica schists. This body consists of albite, with lesser quartz...

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Open file company data from 101 exploration licences dating from 1940 is reviewed. To 1989, 1189 rotary / percussion holes (85 000 metres) and 132 diamond drill holes (31 000 metres) were drilled in exploration for uranium, base metals and, to a...

TARGET: The aim was to test if analyses of soil air and subterranean gases sampled via drill holes could define zones of known and unknown mineralisation. EXPLORATION: Soil air carbon dioxide and oxygen measurements were assessed as a guide to...

The Curnamona Province is exposed in the Willyama, Mt Painter and Mt Babbage Inliers, but much is obscured by younger sedimentary cover. It comprises a late Palaeoproterozoic metasedimentary and metavolcanic succession (Willyama Supergroup) with some...

Significant exploration focussed on: · stratabound 'Telfer-style' gold in Adelaidean metasediments in the Nackara Arc, using stratiform or stratabound structurally-controlled genetic models; and structurally controlled gold and base metal...

This report comprises Open file company data, released since the previous MESA review (Yates and Randell, 1994) of the CURNAMONA 1:250 000 map sheet, includes exploration for base and precious metals (especially stratiform/stratabound Broken...

Open file company data, released since the previous MESA review (Yates, 1992) of exploration in the Palaeoproterozoic - Mesoproterozoic rocks on OLARY 1:250 000 map sheet (Olary and Mingary 1:100 000 map sheets), is dominated by the results of...

The Proterozoic Curnamona Province extends across eastern South Australia and western New South Wales, cropping out in the Willyama, Mount Painter and Mount Babbage Inliers. Most of the Province is, however, obscured by younger sedimentary cover. The...

Wollastonite is a calcium silicate mineral of high temperature metamorphic or igneous origins, which lately has been found to have an increasing range of industrial applications. Its main producing country is China. At Ethiudna, in South Australia's...

This 4-day field trip demonstrates :- Willyama Complex (basement) stratigraphy,- deformation and metamorphic style of the Olarian, Orogeny (including possible recumbent folds), - large blocks of granite and migmatite, up to 800 metres, long, within...

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Company exploration within the CURNAMONA 1:250 000 sheet area was reviewed by the study of data incorporated in the open file reports on 42 Special Mining Leases, 80 Exploration Licences and one group of Mining Leases dating from 1961. This data...

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