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Conodont Biostratigraphy of the upper Devonian reef complexes of the Canning Basin, Western Australia

The Stavely Project is a collaborative project between Geoscience Australia and the Geological Survey of Victoria, which aims to provide a framework for exploration and discovery in the Grampians-Stavely Zone of western Victoria, through the acquisition of pre-competitive geoscientific data. This includes the completion of fourteen stratigraphic drill holes which tested regional geological interpretations and recovered material for detailed geoscientific analysis (Schofield et al., 2015). The new information derived from these stratigraphic drill holes has been incorporated into a 3D geological model which covers a volume of 62 km (E-W) × 94 km (N-S) × 8 km (depth) across the Grampians-Stavely Zone. The focus of this 3D geological model is on the geological units considered to be cover sequences that overly prospective rocks of the Mount Stavely Volcanic Complex. The Mount Stavely Volcanic Complex is considered to be prospective for porphyry Cu-Au and volcanic-hosted massive sulphide mineral systems. Within the volume of interest the units being modelled as cover sequences include the Murray Basin sediments, Grampians Group sediments, Rocklands Volcanic Group and the Newer Volcanic Group basalts. GeoModeller 2014 software was used to create the 3D geological model. GeoModeller utilises an interpolator method for creating 3D geology that is based on potential field theory (Chilès et al., 2004; McInerny et al. 2005). The 3D geological model provides a space where interpretations from multiple datasets can be represented together. Information used to constrain this model includes surface geology (1:50k mapping), stratigraphic drill-holes (VIMP and Stavely), and interpretations from seismic reflection, gravity and magnetic data.

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The offshore Gippsland Basin is Australia's major producing hydrocarbon province. Acreage has historically been tightly held, and opportunities for new players in this highly prospective basin have been limited. However, recent relinquishments have allowed the Australian Federal and Victorian State Governments to offer three potential permits to petroleum exploration companies and consortia. The Bureau of Mineral Resources Petroleum Group, in collaboration with the Victorian Department of Manufacturing and Industry Development's Petroleum Branch, has produced a hydrocarbon prospectivity package for the Southeast Gippsland Basin, with particular emphasis on the three areas to be released. The package takes the form of this BMR Record 1991/9. The Package covers regional geology, geophysics, palaeogeography, and hydrocarbon play concepts, together with a new structural interpretation for the Gippsland Basin developed at BMR. In addition, for each release area the package covers previous exploration, local geology and play concepts, reservoir geology and engineering, and geohistory. Prospects and leads are described in detail, and the text is complemented by some 80 Plates and Figures.

The physical properties of non-porous basement rocks are directly related to the mineralogy of those rocks. The MineralMapper3D software package originally developed by Nick Williams at the Predictive Mineral Discovery Cooperative Research Centre (pmd*CRC), Geoscience Australia, uses the physical properties of minerals to provide bounds on estimates of the abundance of specified minerals in non-porous basement rocks. This approach is applicable to both estimates of density and magnetic susceptibility derived from 3D inversions of gravity and magnetic data as well as physical measurements on specimens or down-hole derived physical properties. This users guide descibes the history, installation and operation of the software package.

This report, entitled Australian Government Earth Observation Data Requirements to 2025, examines the current and projected EOS requirements of Australian government programmes, and updates the 2011 Continuity of Earth Observation Data for Australia: Operational Requirements to 2015 for Lands, Coasts and Oceans (CEODA-Ops) report on expected availability of EOS to 2025.

Explanatory notes to accompany the Dubbo 1:250,000 scale map. Joint publication of the Geological Survey of New South Wales and AGSO.

Legacy product - no abstract available

Legacy product - no abstract available