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Depth to magnetic basement map of the Gawler-Curnamona region, South Australia 1:750 000 scale

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Created 13/01/2025

Updated 13/01/2025

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The depth to magnetic basement map was constructed from a compilation of point located depth values in metres below topography consisting of depth to magnetic source estimates, basement drill hole intersections, interpreted seismic depth estimates. These point depths were combined with mapped geology to delineating the outcropping basement, and then gridded.
The depth to magnetic basement in this study is interpreted to delineate the top of the pre-Neoproterozoic. There are three exceptions which are due to the nature of the magnetisation of these units. The first two exceptions (Pandurra Formation and sediments of the Adelaide Geosyncline) has resulted in a portion of the horizontal extent being assigned to the magnetic basement and the remainder, to the low to non-magnetic cover, while the third (sediments of the Adelaide Geosyncline) has resulted in the lower sequences being assigned to the basement and the upper sequences to the cover.

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Title Depth to magnetic basement map of the Gawler-Curnamona region, South Australia 1:750 000 scale
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/12a34299-d2c4-4613-8c06-9a099b2b2699
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[135.0, -33.5], [141.0, -33.5], [141.0, -29.0], [135.0, -29.0], [135.0, -33.5]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Depth to magnetic basement map of the Gawler-Curnamona region, South Australia 1:750 000 scale". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/depth-to-magnetic-basement-map-of-the-gawler-curnamona-region-south-australia-1-750-000-scale

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