Seven wells were drilled in the Oak Valley area. One well drilled at the airstrip yielded 3 L/s of 74 000 mg/L water, a quality that is only suitable to use for compaction. Three wells drilled close to swamps located west of Oak Valley gave low yields...

OBD12 was designed by Western Mining Corp. to define the Cambrian sequence underlying its EL 640. Lithologies of drill core examined in thin section include siltstone, sandstone, paraconglomerate and, from 473 m, basement gneiss.

During September-December 1976, Murnaroo 1 was drilled by the SA Department of Mines to TD 627.5 m near Observatory Hill in the central southern part of the Officer Basin, to investigate the local subsurface stratigraphy and economic potential, and...

This SADME stratigraphic drillhole has intersected high grade Precambrian basement gneisses at 691.33 metres depth below a sequence of unmetamorphosed arenaceous and rudaceous sediments of the ?Cambrian Murnaroo Sandstone. Evidence from the clasts in...

The Oak Valley Community requires a more convenient water supply. If potable groundwater cannot be found then a supply suitable for purification must be found. Current requirements are a supply of 1 L/s of water of salinity not greater than 40 000...

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The Proterozoic tectonic evolution of the southern margin of the Eastern Officer Basin is closely related to evaporite mass movements and diapirism. Seismic interpretation suggests that these movements occurred when increased subsidence in the...

In South Australia, the intracratonic eastern Officer Basin, which may contain up to 10 km of Neoproterozoic to Paleozoic sediments, is bounded by the Precambrian Gawler Craton to the southeast, the Musgrave Block to the north, and passes into...

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13 sedimentary rock samples from Proterozoic through to Mesozoic formations intersected in 5 Officer Basin wells yielded apatite fission track analysis data (track length and density) used to interpret, via statistical modelling, the broad geothermal...

This licence relinquishment report includes a description of regional stratigraphy and summary of exploration seismic interpretation and drilling results. The quality and distribution within (and projected outside of) PELs 23 and 30 of the source...

Following the allocation in 1992 of Aust $2 million to MESA for petroleum exploration as part of the SA Exploration Initiative, the Department undertook to conduct reconnaisance seismic surveys over selected, poorly known sedimentary basins. As part...

Modern, multifold seismic data over the far eastern Officer Basin have been reinterpreted and seven reflectors mapped in time. Parts of six major structural zones are identified in the region: Munyarai Tough, Marla Overthrust Zone, Ammaroodinna...

Burial history analysis of the structurally complex eastern Officer Basin region was performed using data from petroleum, trona exploration and stratigraphic wells, seismic upholes, coal drillholes and selected seismic sections, to construct isopachs...

Maralinga is located on the crest of the Ooldea Range, an ancient (Tertiary) coastal dune which is bounded to the south by the Nullarbor Plain and to the north by Tietkens Plain. The dune field of the Great Victoria Desert covers much of the region...

Hydrogeological and geotechnical information is provided for a comparative cost study of competing proposals for the permanent disposal of soil lightly contaminated with nuclear materials. A total of 19 open boreholes and 6 cored boreholes were...

The OOLDEA 1:250 000 map area, in the far west of SA, includes portions of the Maralinga Tjarutja Aboriginal Lands, Maralinga Prohibited Area, and Nullarbor Regional Reserve. It is traversed by the Trans-Australian Railway. There is no significant...

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...

Petrophysical properties of rocks are an underutilised data set that is rarely routinely collected. With the recent advances in geophysical modelling there is now an increasing need to collect petrophysical data as a vital link between geophysical...

This document presents an integration and summary of all new data, and a consolidation of current concepts and ideas on the geological and structural history, sedimentary features and petroleum potential of the Officer Basin in South Australia. Many...