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Eucla Basin (Cook, Ooldea, Barton), SA, 1970 (P375), magnetic line data, AWAGS levelled

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Created 13/01/2025

Updated 13/01/2025

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Total magnetic intensity (TMI) data measures variations in the intensity of the Earth's magnetic field caused by the contrasting content of rock-forming minerals in the Earth crust. Magnetic anomalies can be either positive (field stronger than normal) or negative (field weaker) depending on the susceptibility of the rock. The data 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. These line dataset from the Eucla Basin (Cook, Ooldea, Barton), SA, 1970 survey were acquired in 1970 by the SA Government, and consisted of 28859 line-kilometres of data at 1600m line spacing and 150m terrain clearance. To constrain long wavelengths in the data, an independent data set, the Australia-wide Airborne Geophysical Survey (AWAGS) airborne magnetic data, was used to control the base levels of the survey data. This survey data is essentially levelled to AWAGS.

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Title Eucla Basin (Cook, Ooldea, Barton), SA, 1970 (P375), magnetic line data, AWAGS levelled
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/73c20627-8192-400b-a1d4-dca96bc5ccb6
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 06/04/1970 - 26/08/1970
Geospatial Coverage {"type": "Polygon", "coordinates": [[[128.9547, -31.0908], [133.5791, -31.0908], [133.5791, -29.9121], [128.9547, -29.9121], [128.9547, -31.0908]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Eucla Basin (Cook, Ooldea, Barton), SA, 1970 (P375), magnetic line data, AWAGS levelled". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/eucla-basin-cook-ooldea-barton-sa-1970-p375-magnetic-line-data-awags-levelled