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The northern end of the St. Vincent Basin in the Port Wakefield area consists of two well marked sub-basins of unequal area divided by a meridional fault passing along the east side of a median basement block. A deep trough occurs along the western...

Geophysical and geological surveys plus test drilling have located a Tertiary palaeochannel incised within Cambrian-Precambrian bedrock. Present data indicate potentially favourable reservoir and seal conditions, although its headward extent and...

Evaluates economic potential of all stratigraphic units and recommends modification of Extractive Industry Zone. Contains 115 million tonnes of construction sand predominantly in North Maslin Sand Member and widespread weathered bedrock brick shale....

Presents results from 2 samples from a clay lens in a Monier Golden Grove sand pit. 2 other samples from the leaf bearing beds at Maslin Bay were examined to determine if the fossils from the 2 sites are of similar age and if the host sediments are...

Geophysical and geological surveys and drilling in the Northern Adelaide Plains of South Australia have located a Tertiary palaeochannel incised within Proterozoic bedrock. Present data indicate favourable reservoir and seal conditions for the...

The 170 m deep E&WS Seaford Sewerage Treatment Bore passed through a Cainozoic succession comprised of undifferentiated Quaternary and Oligocene, and Eocene Port Willunga Formation, Chinaman Gully Formation, Blanche Point Formation, Tortachilla...

The Willunga Embayment of the St. Vincent Basin is one of the classic areas of Cainozoic geology in South Australia with published studies dating back over the past century. This present study reassesses the geology of the Middle Eocene to Early...

Exploration for a suitable underground gas storage target in the Northern Adelaide Plains was initiated in 1964. Prior to the present investigation, four other areas have been examined and rejected as target areas, mainly due to the shallow depth of...

During drilling of construction sand and clay in 1976 and 1977, an accumulation of heavy minerals was discovered in an embayment on the eastern margin of the Tertiary basin. Heavy minerals, mainly ilmenite, rutile,and zircon, with lesser amounts of...

Fifteen grab and drill core samples were assigned an uppermost Middle Eocene or lowermost Late Eocene age (correlated with North Maslin Sand) from a fluvial channel and flood plain backswamp sedimentary environment.

Metropolitan Adelaide is founded on a wide variety of soils that overlie sediments and rocks. Some of the soils and sediments react to seasonal and human-induced changes in water content with marked changes in volume. The black earths and...

In response to a request for assistance from the State Heritage Branch, a suite of 56 sand samples has been collected from all major currently producing sand pits in the outer metropolitan area. Physical properties including grain size, grain...

Fossil Lygodium leaves including sterile and fertile pinnules of the climbing fern are described from Dinmore (Queensland), Maslin Bay and Golden Grove (South Australia), Anglesea (Victoria) and other localities in southern Australia and New Zealand....

Generalised contouring of the Mount Lofty Ranges aimed at reconstructing the Tertiary landsurface topography has identified the locations of a number of possible buried fluvial valleys and channels associated with the St Vincent Basin palaeodrainage,...

Two observation wells were drilled and they penetrated the entire Tertiary sequence, with 1 cased to basement, and the other completed in the lowermost Tertiary aquifer. Two pumping tests were carried out in the lower Tertiary aquifer and 2 in the...

During January 1993, 25 reverse circulation holes totalling 1072 m were drilled in the Maslin Beach Extractive Industry Zone in parts of the zone where previous drilling was very broadly spaced or where samples were of uncertain quality. Based on...

The investigation has included drilling, test pumping, expansion of the water level observation network, the establishment of a salinity observation network, geophysical logging of observation wells and a land use survey. Facies changes and...

Palynofloras from an outlier of North Maslin Sands are Middle Eocene in age. The palynofloras are non-marine and correlate with the Lower Nothofagidites asperus Zone of the Gippsland Basin and the 'Proteacidites pachypolus' Zone of south-central...

The Willunga Basin is a groundwater resource being stressed by groundwater abstraction for agricultural purposes. The Southern Vales Water Resources Committee, in conjunction with MESA, DENR and SA WATER, are developing groundwater management...