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The Tidal River 1:32,000 regolith-landform map illustrates the distribution of regolith materials and the landforms on which they occur, described using the RTMAP scheme developed by Geoscience Australia

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The Broken Hill - Menindee point located data set consists of 182 new and 20,514 old gravity stations all with terrain correction values included. The data set is included as a separate directory on the CD-ROM containing the May 2003 release of the National Gravity Database. See GeoCat entry # 47696. New gravity stations were acquired at a spacing of 2km x 2km. Old data are at various station spacings. The pre 2003 gravity data come from existing data held in Geoscience Australia's National Gravity Database. These data are sourced from various surveys that in the past were commissioned by either Geoscience Australia, NSW Dept of Mineral Resources or private industry. All data were used to ground truth airborne gravity data acquired over the same geographic area near Broken Hill.

This grid represents gravity anomalies of the Australian region. The grid combines accurate onshore gravity measurements, with satellite data over the offshore region. The cell values represent simple Bouguer anomalies at a density of 2.67 tonnes per cubic metre onshore and free-air anomalies offshore. The grid cell size is 0.5 minutes of arc, which is equivalent to about 800 metres.

Related product to Geoscience Australia record 1990/048

The South Sandstone Paddock 1:12,500 regolith-landform map illustrates the distribution of regolith materials and the landforms on which they occur, described using the RTMAP scheme developed by Geoscience Australia