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Spencer - radiometric line data (AWAGS)

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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 Spencer - radiometric line data (AWAGS) were acquired in 2018 by the SA Government, and consisted of 49937 line-kilometres of data at 200m line spacing and 60m terrain clearance. To constrain long wavelengths in the data, an independent data set, the Australia-wide Airborne Geophysical Survey (AWAGS) airborne magnetic data, was used to control the base levels of the survey data. This survey data is essentially levelled to AWAGS.

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{"type": "Polygon", "coordinates": [[[136.4876, -32.6704], [137.916, -32.6704], [137.916, -31.9933], [136.4876, -31.9933], [136.4876, -32.6704]]]}
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Title Spencer - radiometric line data (AWAGS)
Language eng
Licence Not Specified
Landing Page https://devweb.dga.links.com.au/data/dataset/7564b30a-2dd5-4fc5-bb98-0df44dad8b21
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 11/06/2018 - 11/06/2018
Geospatial Coverage
Data Portal data.gov.au