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P5023 Yathong Magnetic Gradient and Radiometric Survey, NSW, 2023

Created 17/10/2025

Updated 17/10/2025

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Geoscience Australia (GA), in collaboration with the New South Wales (NSW) Government’s Geological Survey of NSW, undertook a horizontal magnetic gradient and radiometric survey in the Yathong area of NSW. This survey was fully funded by the NSW Government as part of a project to find deep groundwater for use in times of drought.

Survey Name: Yathong Datasets Acquired: Horizontal Magnetic Gradient, Radiometrics, and Elevation Geoscience Australia Project Number: P5023 Acquisition Start Date: 21/05/2023 Acquisition End Date: 14/09/2023 Flight line spacing: 200 m Flight line direction: East-West (090-270 degrees) Total distance flown: 65,503.75 line-km's Nominal terrain clearance: 80 m Data Acquisition: Magspec Airborne Surveys Pty Ltd Project Management: Geoscience Australia Quality Control: Geoscience Australia Dataset Ownership: Geological Survey of New South Wales Datum: Geocentric Datum of Australia 2020 (GDA2020) Projection: Map Grid of Australia Zone 55 (MGA55)

Included in this release:

  1. Point-located Data - ASCII-column (.dat) and NetCDF (.nc) format. • Magnetic diurnal; • Magnetic gradient raw-edited; • Magnetic gradient reduced; • Radiometrics raw-edited; • Radiometrics reduced.

  2. Gridded data - ERMapper (.ers) format. • Gradient enhanced Total Magnetic Intensity (TMI); • Gradient enhanced TMI Reduced to Pole (RTP); • Gradient enhanced TMI RTP with First Vertical Derivative (1VD); • Dose rate (with NASVD and standard processing); • Potassium concentration (with NASVD, standard processing); • Thorium concentration (with NASVD, standard processing); • Uranium concentration (with NASVD, standard processing); • Radar-derived digital elevation model (geoidal).

  3. Reports. • Calibration report; • Operations and processing summary report.

Files and APIs

Tags

Additional Info

Field Value
Title P5023 Yathong Magnetic Gradient and Radiometric Survey, NSW, 2023
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/02195d99-e434-45e3-b326-e47fe05d9151
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 15/01/2024
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        144.801,
        -33.11286
      ],
      [
        145.7574,
        -33.11286
      ],
      [
        145.7574,
        -31.76832
      ],
      [
        144.801,
        -31.76832
      ],
      [
        144.801,
        -33.11286
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "P5023 Yathong Magnetic Gradient and Radiometric Survey, NSW, 2023". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/p5023-yathong-magnetic-gradient-and-radiometric-survey-nsw-2023