The Surface Hydrology Points (Regional) dataset provides a set of related features classes to be used as the basis of the production of consistent hydrological information. This dataset contains a geometric representation of major hydrographic point elements - both natural and artificial. This dataset is the best available data supplied by Jurisdictions and aggregated by Geoscience Australia it is intended for defining hydrological features.

Report on the collaborative project with the South Australian Department of Environment, Water and Natural Resources (DEWNR)

Australia's Identified Mineral Resources is an annual national assessment that takes a long-term view of Australian mineral resources likely to be available for mining. The assessment also includes evaluations of long-term trends in mineral resources, world rankings, summaries of significant exploration results and brief reviews of mining industry developments.

The Wallaby Plateau is a bathymetric high off the west coast of Western Australia. It is considered a frontier region as little is known about the subsurface geology. To further investigate the rock properties in this region, 3D inversion models of density and magnetic susceptibility were generated, from gravity and magnetic data respectively, using a model-based trend removal method. Inversions were performed using UBC-GIF software on the National Computational Infrastructure's supercomputer facility to generate high-resolution (~7.56 million cells), regional-scale (550 x 550 x 25 km volume) models. Two cores of relatively low density, similar to continental crust, are identified across the Wallaby Plateau in the 3D density model. Divergent dipping reflector sequences, identified in seismic interpretation, tend to dip away from the zones of interpreted continental crust and also correlate well with bodies of high magnetic susceptibility identified in the 3D magnetic susceptibility model. Together, this suggests that the divergent dipping reflector sequences are similar to seaward-dipping reflector sequences of volcanic rift margins.

This release presents data collected as part of the collaborative Geoscience Australia-Geological Survey of Victoria Stavely Project. During 2014 fourteen pre-competitive stratigraphic drill holes were completed in the prospective Stavely region in western Victoria in order to better understand subsurface geology and its potential for a variety of mineral systems. The drill holes were completed between April and September 2014 in partnership with the Deep Exploration Technologies Cooperative Research Centre (DET CRC). Data contained within this release were collected in the field at the drill sites, either during or immediately following drilling. Data presented in this release include drill hole collar information, operational metadata and daily drilling reports, drill core photographs, down-hole surveys, down-hole wireline geophysical logging results, down-hole temperature logging results, down-hole AutoSonde(TM) gamma data, Lab-at-Rig (LAR®), X-ray fluorescence data, diamond drill core recovery percentages, and handheld magnetic susceptibility measurements on the drill core.

The Stavely Project is a collaboration between Geoscience Australia and the Geological Survey of Victoria. During 2014 fourteen pre-competitive stratigraphic drill holes were completed in the prospective Stavely region in western Victoria in order to better understand subsurface geology and its potential for a variety of mineral systems. The Stavely region hosts several belts of poorly-exposed Cambrian volcanic and intrusive rocks, visible largely only in aeromagnetic data, which have similarities to those found in modern subduction-related tectonic settings. Mineralisation associated with porphyry Cu-Au and volcanic-hosted massive sulphide mineral systems is known where these rocks are exposed around Mount Stavely and the Black Range. However, despite a history of mineral exploration dating back to the late 1960s, significant economic deposits are yet to be discovered, and the Stavely region remains a greenfields terrane. Given the geological setting and known mineral potential, opportunity exists for the discovery of large mineral systems beneath extensive, but relatively thin, younger cover. The Stavely Project aims to provide the framework for discovery in the Stavely region primarily through the acquisition and delivery of pre-competitive geoscientific data. This includes the completion of pre-competitive stratigraphic drill holes in order to test regional geological interpretations and recover material for detailed lithological, petrophysical, geochemical and geochronological analysis. The results will assist in understanding the mineral systems potential of the Stavely region under cover. This report describes the logging methods and procedures used to produce lithology logs for stratigraphic drill holes completed as part of the Stavely Project. Data presented in this release include summary and detailed geological logs, logging metadata, and graphic geological logs. Also included are reports on biostratigraphic and palynological age constraints of unconsolidated drill core, and on volcanic facies observed in the volcanic rocks intersected during drilling.

As part of the National CO2 Infrastructure Plan (NCIP) between 2011 and 2014 Geoscience Australia undertook a comprehensive study in the offshore Vlaming Sub-basin to provide new pre-competitive data and information to underpin potential CO2 storage solutions. The Vlaming Sub-basin is a Mesozoic depocentre within the southern Perth Basin located about 30 km west of Perth. It covers an area of approximately 23,000 km2 and contains up to 14 km of sediments. The basin lies close to industrial sources of CO2 emissions in the Perth area and contains a number of reservoir-seal pairs potentially suitable for CO2 storage. The Gage Sandstone and the overlying South Perth Shale (SPS) deposited as part of the early post-rift succession are considered the most prospective reservoir-seal pair. Previous assessments of this basin indicated that up 1 GT of CO2 can be stored in the Gage Sandstone reservoir. However, lack of interest in the 2009 Greenhouse Gas acreage release in the Vlaming Sub-basin showed that a more detailed assessment is required. This study addresses critical scientific issues underpinning CO2 storage potential of the Vlaming Sub-basin that were not sufficiently explored previously. These include: - better characterisation of the reservoir heterogeneity; - detailed understanding of the seal quality and integrity; - a more accurate estimate of the practical storage capacity and, - an accurate environmental baseline and potential issues of environmental concern Overall the study confirmed suitability of the Gage Sandstone reservoir for long-term storage of CO2 and provided a more accurate delineation of the suitable storage sites. At the same time it highlighted the importance of careful consideration of the containment and potential environmental impact in any future CO2 storage projects.

Same content as 2017 APPEA Promotional USB, with an updated Acreage Release Map with the inclusion of Geoscience's presentation

Geoscience Australia (GA) conducted a marine survey (GA0345/GA0346/TAN1411) of the north-eastern Browse Basin (Caswell Sub-basin) between 9 October and 9 November 2014 to acquire seabed and shallow geological information to support an assessment of the CO2 storage potential of the basin. The survey, undertaken as part of the Department of Industry and Science's National CO2 Infrastructure Plan (NCIP), aimed to identify and characterise indicators of natural hydrocarbon or fluid seepage that may indicate compromised seal integrity in the region. The survey was conducted in three legs aboard the New Zealand research vessel RV Tangaroa, and included scientists and technical staff from GA, the NZ National Institute of Water and Atmospheric Research Ltd. (NIWA) and Fugro Survey Pty Ltd. Shipboard data (survey ID GA0345) collected included multibeam sonar bathymetry and backscatter over 12 areas (A1, A2, A3, A4, A6b, A7, A8, B1, C1, C2b, F1, M1) totalling 455 km2 in water depths ranging from 90 - 430 m, and 611 km of sub-bottom profile lines. Seabed samples were collected from 48 stations and included 99 Smith-McIntyre grabs and 41 piston cores. An Autonomous Underwater Vehicle (AUV) (survey ID GA0346) collected higher-resolution multibeam sonar bathymetry and backscatter data, totalling 7.7 km2, along with 71 line km of side scan sonar, underwater camera and sub-bottom profile data. Twenty two Remotely Operated Vehicle (ROV) missions collected 31 hours of underwater video, 657 still images, eight grabs and one core. This catalogue entry refers to high-resolution imagery taken of piston cores. A total of 20 piston cores collected in water depths between 154-445 m on the continental shelf, were imaged using the Geotek GEOSCAN IV line scan camera. Each core section was imaged at 200 lines per cm, corresponding to a 50 micron pixel size, to produce a single JPG image for each section. For more information on how the piston cores were collected please refer to the post-survey report (follow link at right), or for more information on the MSCL-S please refer to the manual, (follow link at right).

Update to 2009 Otway Basin Biozonation and Stratigraphy chart, adding Sorell Basin columns and using GTS 2012 Timescale