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Merged Magnetic, Radiometric and Elevation Grids for the NTGS Mount Peake-Crawford Survey, 2019

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Created 20/01/2025

Updated 20/01/2025

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The Northern Territory Geological Survey (NTGS) designed the Mount Peake-Crawford survey to provide high resolution magnetic, radiometric and elevation data in the area. It is anticipated that the data from the survey would help attract explorers into ‘greenfield’ terranes and contribute to the discovery of the next generation of major mineral and energy deposits in the Northern Territory. A total of 120,000 line km of regional data (200m line spacing) and additional infill data (100m line spacing), flown at 60m flight height were acquired during the survey between July and October 2019. The survey was managed by Geoscience Australia.

Various grids were produced from the Mount Peake-Crawford Airborne Magnetic and Radiometric Survey dataset and simultaneously merged into a single grid file. The final grid retains all of the information from the input data and is levelled to the national map compilations produced by Geoscience Australia. The merged grids have a cell size of 20m. The following merged grids are available in this download: • Laser-derived digital elevation model grids (m). Height relative to the Australian Height Datum. • Radar-derived digital elevation model grids (m). Height relative to the Australian Height Datum. • Total magnetic intensity grid (nT). • Total magnetic intensity grid with variable reduction to the pole applied (nT). • Total magnetic intensity grid with variable reduction to the pole and first vertical derivative applied (nT/m). • NASVD-filtered potassium concentration grid (%). • NASVD-filtered thorium concentration grid (ppm). • NASVD-filtered uranium concentration grid (ppm).

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Title Merged Magnetic, Radiometric and Elevation Grids for the NTGS Mount Peake-Crawford Survey, 2019
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/40cf41f8-baf5-45d7-85af-9cc7069e648e
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 27/02/2020
Geospatial Coverage {"type": "Polygon", "coordinates": [[[112.0, -44.0], [154.0, -44.0], [154.0, -9.0], [112.0, -9.0], [112.0, -44.0]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Merged Magnetic, Radiometric and Elevation Grids for the NTGS Mount Peake-Crawford Survey, 2019". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/merged-magnetic-radiometric-and-elevation-grids-for-the-ntgs-mount-peake-crawford-survey-2019

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No duplicate datasets found.