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St George ppm thorium grid geodetic

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Created 14/01/2025

Updated 14/01/2025

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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 0.00021 degrees (approximately 22m) and shows thorium element concentration of the SMMSP - MagSpec - St George, Qld, 2001 in units of parts per million (or ppm). The data used to produce this grid was acquired in 2001 by the QLD Government, and consisted of 61110 line-kilometres of data at a line spacing between 100m and 400m, and 60m terrain clearance.

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Title St George ppm thorium grid geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/5b76bc09-2bba-4604-8774-875d6c2a66a6
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 26/04/2001 - 16/08/2001
Geospatial Coverage {"type": "Polygon", "coordinates": [[[147.7747, -28.8992], [149.2492, -28.8992], [149.2492, -27.6316], [147.7747, -27.6316], [147.7747, -28.8992]]]}
Data Portal data.gov.au