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Tasmanian Tiers Airborne Magnetic, Radiometric and Digital Elevation Survey, TAS, 2021, (P5003), Thorium ground concentration, 3D terrain corrected grid

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Created 13/01/2025

Updated 13/01/2025

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The radiometric, or gamma-ray spectrometric method, measures the natural variations in the gamma-rays detected near the Earth's surface as the result of the natural radioactive decay of potassium (K), uranium (U) and thorium (Th). The data collected are processed via standard methods to ensure the response recorded is that due only to the rocks in the ground. The results produce datasets that can be interpreted to reveal the geological structure of the sub-surface. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose. This radiometric thorium grid has a cell size of degrees (approximately 40m) and shows thorium element concentration of the Tasmanian Tiers Magnetic and Radiometric Survey, 2021 in units of parts per million (or ppm). The data used to produce this grid was acquired in 2021 by the TAS Government, and consisted of 32951 line-kilometres of data at 200m line spacing and 80m terrain clearance.

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Title Tasmanian Tiers Airborne Magnetic, Radiometric and Digital Elevation Survey, TAS, 2021, (P5003), Thorium ground concentration, 3D terrain corrected grid
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/62b7bcf2-31dc-4cd8-bd27-3fb5f1e22982
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 08/02/2021 - 02/04/2021
Geospatial Coverage {"type": "Polygon", "coordinates": [[[146.02, -42.06], [148.32, -42.06], [148.32, -41.5], [146.02, -41.5], [146.02, -42.06]]]}
Data Portal data.gov.au