Coal exploration performed by CRA in the eastern part of the Mulgathing Trough comprised a literature review, stratigraphic interpretation of previous drillhole and geophysical data, and the planning of a 6-hole rotary exploratory drilling programme...

TARGET: Shallow Permian coal in the Tallaringa Trough, west of the Karari Fault. EXPLORATION: Reconnaissance rotary drilling (21 holes totalling 2009.3 m), plus an additional 12.2 m of bottomhole coring. RESULTS: No Permian coal measures were...

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...

The Mount Toondina structure, a small but pronounced vertically fault-bounded inlier of Permian sediments within a flat-lying Mesozoic sequence, is represented by an annular magnetic feature located 45 km south of Oodnadatta. A single gravity profile...

A regional drilling programme was undertaken to investigate the economic potential of possible Permian coal occurrences within buried extensions to the Lake Phillipson Trough, in its adjacent northern Penrhyn Trough and south-eastern Ingomar regions...

The subject EL 2249 and follow-on EL 2966 consisted of two areas: Area 'A', centred 40 km SSW of Coober Pedy, covering a Permian coal basin, the Penrhyn Trough; and Area 'B', centred 70 km SSE of Coober Pedy. Interpretation of regional gravity and...

TARGET: Lower Permian coal of steaming or coking grade, suitable for open cut development. EXPLORATION: Rotary drilling of 42 open and partly cored holes totalling 5122 m, including 105 m of coring, with follow-up geophysical logging. RESULTS: 7...

This document elaborates on two main points of difference, and the validity of certain criticisms of technical data and cost estimate derivations, present in the original 1984 submission to the South Australian Government on the proposed open cut...

Critical minerals are a collection of metal and non-metal commodities considered essential for economic and industrial development, and for which there are significant concerns around future supply due to resource scarcity or geopolitical factors. The...

This report presents the results of a study jointly conducted by the Geological Survey of South Australia and CSIRO Mineral Resources which aimed to enhance the expression of geological structure in geophysical images and to derive depth to magnetic...

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Limited Sirotem surveys carried out in an area 40 km south-east of Oodnadatta failed to define any Permian coal seams inferred to possibly be present as eastward extensions from the Boorthanna Trough. 200 m x 200 m loops were employed at 5 sites on a...

Coal exploration undertaken in an area situated 120 km west of Coober Pedy (open rotary drilling and geophysical logging of 2 holes for a total of 252.3 m) failed to disclose any coal seams, despite a previous explorer having found a 1-2 m thick seam...

Investigations into the coal prospectivity of the buried Permian sedimentary sequence within the northern Arckaringa Basin, 70 km north-east of Coober Pedy, included an extensive data review, 6-line gravity survey, and reconnaissance drilling of 4...

Two licence areas respectively flanking the eastern and western sides of the southern Peake and Denison Ranges were taken up to investigate the alluvial diamond potential of sediments within basinal margin settings, in view of diamond indicator...

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This report reviews the evolution of depositional environments for the Australian Permian sequence, particularly in regard to the formation of coal, and describes the interpreted nature of sedimentation in the Arckaringa Basin. The depositional...

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Evaporite minerals in black shale at the base of the Early Cretaceous Bulldog Shale near the western margin of the Eromanga Basin were the target about 50 km NE of Coober Pedy. Reconnaissance mapping, soil sampling, auger drilling and the backhoe...

Initial bulk gravel sampling for diamond indicator minerals, and sampling of residual surface clays for base metals, returned negative results and only background values respectively. Subsequent rotary drilling of 3 holes (total 390 m), following...