From Geoscience Australia
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Sandstone combined 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 0.0005 degrees (approximately 52m) and shows thorium element concentration of the Sandstone-Lake Mason-Arenite merge, 1994-2000 in units of parts per million (or ppm). The data used to produce this grid was acquired in 1994 by the WA Government, and consisted of 64185 line-kilometres of data at a line spacing between 200m and 400m, and 40m terrain clearance.

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Title Sandstone combined ppm thorium grid geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/b16f1be1-ad83-4cbe-91f9-e717816e51bb
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 01/02/1994 - 01/12/2000
Geospatial Coverage {"type": "Polygon", "coordinates": [[[118.4745, -28.1313], [120.01, -28.1313], [120.01, -26.9778], [118.4745, -26.9778], [118.4745, -28.1313]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Sandstone combined ppm thorium grid geodetic". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/sandstone-combined-ppm-thorium-grid-geodetic