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GSQ Hodgkinson Georgetown Block A Qld 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 Hodgkinson Georgetown Block A Qld dose rate grid geodetic has a cell size of 0.00096 degrees (approximately 104m) and shows the terrestrial dose rate of the Hodgkinson-Georgetown Block A, QLD, 1999, Prospectivity Plus Init.. The data used to produce this grid was acquired in 1999 by the QLD Government, and consisted of 93258 line-kilometres of data at a line spacing between 200m and 400m, and 80m terrain clearance.

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Title GSQ Hodgkinson Georgetown Block A Qld dose rate grid geodetic
Language eng
Licence Not Specified
Landing Page https://devweb.dga.links.com.au/data/dataset/caaa9ccb-9097-42fa-9f6f-6ec7559cbf8a
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 21/07/1999 - 04/11/1999
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        143.9684,
        -17.034
      ],
      [
        145.5764,
        -17.034
      ],
      [
        145.5764,
        -15.4759
      ],
      [
        143.9684,
        -15.4759
      ],
      [
        143.9684,
        -17.034
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Data.gov.au