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Pilbara Block (Port Hedland, Marble Bar, Nullagine), WA. 1985 (P508), radiometric line data, AWAGS levelled

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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 Pilbara Block (Port Hedland, Marble Bar, Nullagine), WA. 1985 (P508), radiometric line data, AWAGS levelled were acquired in 1985 by the WA Government, and consisted of 42713 line-kilometres of data at 1500m line spacing and 150m 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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Title Pilbara Block (Port Hedland, Marble Bar, Nullagine), WA. 1985 (P508), radiometric line data, AWAGS levelled
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/76828edb-d4a8-4575-84ed-64c1336aedb8
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 12/05/1985 - 25/06/1985
Geospatial Coverage {"type": "Polygon", "coordinates": [[[118.3748, -22.1209], [121.633, -22.1209], [121.633, -19.9138], [118.3748, -19.9138], [118.3748, -22.1209]]]}
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