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GSNSW Murray Basin ppm thorium 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 thorium grid has a cell size of 0.00078 degrees (approximately 80m) and shows thorium element concentration of the Murray Basin Airborne Survey, NSW, 2005 in units of parts per million (or ppm). The data used to produce this grid was acquired in 2005 by the NSW Government, and consisted of 95495 line-kilometres of data at 400m line spacing and 60m terrain clearance.

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Title GSNSW Murray Basin ppm thorium grid geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/12e082c5-fd20-4409-b317-4964d54d1582
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 01/04/2005 - 31/08/2005
Geospatial Coverage {"type": "Polygon", "coordinates": [[[140.984532, -34.780073], [143.692621, -34.780073], [143.692621, -32.495624], [140.984532, -32.495624], [140.984532, -34.780073]]]}
Data Portal data.gov.au