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Jamestown Hills 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 0.00021 degrees (approximately 21m) and shows thorium element concentration of the SMMSP - MagSpec - Jamestown, SA, 2002 (2002/01) in units of parts per million (or ppm). The data used to produce this grid was acquired in 2002 by the SA Government, and consisted of 8919 line-kilometres of data at 100m line spacing and 60m terrain clearance.

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Title Jamestown Hills thorium grid geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/88d8b0ca-9ae0-49d3-8349-603959b3f357
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 20/06/2002 - 02/08/2002
Geospatial Coverage {"type": "Polygon", "coordinates": [[[138.4456, -33.4212], [138.7551, -33.4212], [138.7551, -33.1046], [138.4456, -33.1046], [138.4456, -33.4212]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Jamestown Hills thorium grid geodetic". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/jamestown-hills-thorium-grid-geodetic

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