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Tasmania Offshore Area4 magnetic grid geodetic

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Created 20/01/2025

Updated 20/01/2025

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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 uranium grid has a cell size of 0.00083 degrees (approximately 82m) and shows uranium element concentration of the Tasmania Offshore, TAS, 1994 in units of parts per million (or ppm). The data used to produce this grid was acquired in 1994 by the TAS Government, and consisted of 93301 line-kilometres of data at a line spacing between 400m and 800m, and 130m terrain clearance.

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Title Tasmania Offshore Area4 magnetic grid geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/bab96b29-7c80-42ce-8117-cce3ae32696a
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 10/10/1994 - 05/01/1995
Geospatial Coverage {"type": "Polygon", "coordinates": [[[143.6904, -40.1853], [144.2312, -40.1853], [144.2312, -39.502], [143.6904, -39.502], [143.6904, -40.1853]]]}
Data Portal data.gov.au