A regional gravity low occurring south of Round Hill on the ORROROO 1:250,000 sheet was mapped in detail by closely spaced gravity stations, to investigate its possible connection with diapiric breccia located nearby. The suggested model for the...

Gravity data from a new major helicopter gravity survey and aeromagnetic and seismic data from TALLARINGA and adjoining map sheets is interpreted. The view that the positive gravity anomaly in the Tallaringa Trough is due to dense dolomitic rocks is...

As part of the EWS salinity mitigation scheme this survey was carried out to locate and define zones of preferential inflow of saline groundwater into the River Murray and assess the applicability of transient EM. The method could only locate zone of...

SADME stratigraphic drilling, which was undertaken recently based on detailed geophysical modelling of aeromagnetic data, has identified the major linear aeromagnetic anomaly associated with the Karari Fault Zone (NW Gawler Craton) as a major (300 km...

Broad View 1 intersected 381.6 metres of deformed and recrystallized porphyritic rhyolite rhyodacite with minor interlayered calcsilicate gneiss, and 170.8 metres of Bosanquet Formation (new name) metasedimentary calcsilicate gneisses and schists, and...

A major tectonic crustal feature, defined as the Polda Graben, beneath the Polda Basin and Lock Coal Deposit, is interpreted, based on magnetic basement depths determined from poor quality regional aeromagnetic analog data, flown in 1955. This EW...

An interpretation of all seismic data in SA part of the Otway Basin is part of a joint geological and geophysical study with the Victorian and Tasmanian Department of Mines and the BMR to produce a basin - wide interpretation. The geometry and...

Geophysical surveys at the City Council Depot site, delineated the extent of large depression, used as rubbish dump. Abrupt lateral terminations of volcanic ash and tuff sequence were correlated with the boundary of the depression. No solution...

At the request of the Department of Marine and Harbours a seismic refraction survey was conducted at the Porter Bay Marina site, Port Lincoln to investigate the possible presence of ?granitic boulders within the sedimentary sequence beneath areas of...

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Resistivity investigations were carried out near the Streaky Bay town water supply reserve to define the basement topography as an aid to understanding the hydrogeology of the area. Twenty one vertical electrical soundings and seven profiles of...

The Musgrave Block is a large area of Precambrian crystalline basement situated in the north-western corner of South Australia, and extending into Western Australia and the Northern Territory. Geological mapping has revealed large areas of granulite...

SADME and exploration companies have carried out magnetic, gravity, and seismic surveys in the basin since 1961. Areas of significant sedimentary thicknesses have been found in troughs which contain rocks of Permian, Devonian, and Cambrian age below...

Thirteen Schlumberger vertical electrical soundings have been conducted in the Yunta area as part of a continuing program to assess the groundwater potential of the area. The geology was found to be unfavourable for this technique, hence a...

Model has been constructed from magnetic, gravity and seismic data from EL 370 (Aquitaine and Delhi), of a shallow horst of granitoid basement in the southeast of Yadlamalka 1:50 000 area, and, under the lake, a basin, up to 4 500 metres of dense...

Resistivity investigations were carried out on Wardang Island in an attempt to determine drilling sites favourable for fresh underground water. The thickness of the Bridgewater Formation (aeolianite) and basement elevations were mapped and contoured....

The aim to establish instrument parameters necessary to detect mineralization was unsuccessful, possibly due to lack of polarization of the orebody. A theoretical model was fitted to the results after a resistivity survey was carried out. Further...

The Stuart Shelf region is a stable platform of Carpentarian and older crystallisation basement which is overlain by flat-lying Adelaidean and Cambrian sediments. It extends eastward from the exposed crystalline Gawler Block area to the mobile...

Detailed gravity survey was made to locate boundaries of coal-bearing areas, since coal found near Lock appears to be associated with Bouguer gravity minima in the basin. Additional observations and drilling of possible targets will be required to...

Gravity results indicate the position of a major fracture accompanied by minor en-echelon fractures. Relative throws have been computer modelled corresponding to drill hole and previous basement depth data. Resistivity results produced pseudo...