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GSQ East Isa South dose rate grid geodetic

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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. The terrestrial dose rate grid is derived as a linear combination of the filtered K, U and Th grids. A low pass filter is applied to this grid to generate the filtered terrestrial dose rate grid. This GSQ East Isa South dose rate grid geodetic has a cell size of 0.00083 degrees (approximately 89m) and shows the terrestrial dose rate of the East Mount Isa - South, Qld, 2007. The data used to produce this grid was acquired in 2006 by the QLD Government, and consisted of 144776 line-kilometres of data at 400m line spacing and 80m terrain clearance.

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Title GSQ East Isa South dose rate grid geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/41505911-0f8f-4cb2-9678-d7eae774658b
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 10/09/2006 - 18/07/2007
Geospatial Coverage {"type": "Polygon", "coordinates": [[[140.9599, -23.549], [144.0298, -23.549], [144.0298, -21.485], [140.9599, -21.485], [140.9599, -23.549]]]}
Data Portal data.gov.au