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Cootamundra ppm thorium grid geodetic

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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 0.00052 degrees (approximately 53m) and shows thorium element concentration of the Cootamundra, NSW, 1997/98 in units of parts per million (or ppm). The data used to produce this grid was acquired in 1997 by the NSW Government, and consisted of 69086 line-kilometres of data at 250m line spacing and 80m terrain clearance.

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Title Cootamundra ppm thorium grid geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/1b100a1a-3ee0-45e1-86e8-07de3eff94ef
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 15/11/1997 - 20/03/1998
Geospatial Coverage {"type": "Polygon", "coordinates": [[[146.9871, -35.0044], [148.5127, -35.0044], [148.5127, -33.9951], [146.9871, -33.9951], [146.9871, -35.0044]]]}
Data Portal data.gov.au