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Macquarie Harbour and Southwest Tasmania, TAS, 1985 (P629), 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 Macquarie Harbour and Southwest Tasmania, TAS, 1985 (P629), radiometric line data, AWAGS levelled were acquired in 1985 by the TAS Government, and consisted of 4833 line-kilometres of data at 500m line spacing and 188m 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 Macquarie Harbour and Southwest Tasmania, TAS, 1985 (P629), radiometric line data, AWAGS levelled
Language eng
Licence Not Specified
Landing Page https://devweb.dga.links.com.au/data/dataset/86d7e94b-4317-46c4-b0fe-5ff3bd76b859
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 31/12/1985 - 10/01/1986
Geospatial Coverage
Map data © OpenStreetMap contributors
Data Portal Data.gov.au