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Gawler Craton Airborne Survey Merge Radiometrics - K equivalent concentration grid (AWAGS)

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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 potassium grid has a cell size of 0.0004 degrees (approximately 41m) and shows potassium element concentration of the Gawler Craton Airborne Survey Magnetic Radiometric and DEM Merge, SA, 2017-2019 in units of percent (or %). The data used to produce this grid was acquired in 2019 by the SA Government, and consisted of 1660000 line-kilometres of data at 200m line spacing and 60m terrain clearance. To constrain long wavelengths in the grid, an independent data set, the Australia-wide Airborne Geophysical Survey (AWAGS) airborne magnetic data, was used to control the base levels of the survey grid.

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Title Gawler Craton Airborne Survey Merge Radiometrics - K equivalent concentration grid (AWAGS)
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/2c522396-1df8-4d59-bfb5-05c30a7101ea
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 01/01/2019 - 01/01/2019
Geospatial Coverage {"type": "Polygon", "coordinates": [[[130.9895, -32.6744], [138.0596, -32.6744], [138.0596, -27.3241], [130.9895, -27.3241], [130.9895, -32.6744]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Gawler Craton Airborne Survey Merge Radiometrics - K equivalent concentration grid (AWAGS)". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/gawler-craton-airborne-survey-merge-radiometrics-k-equivalent-concentration-grid-awags

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