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Dubbo magnetic (non-AWAGS)

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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 Dubbo Detail NSW 1991 survey were acquired in 1991 by the NSW Government, and consisted of 63636 line-kilometres of data at a line spacing between 200m and 200m, and 100m terrain clearance.

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Title Dubbo magnetic (non-AWAGS)
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/7b5ae83f-2264-4247-9668-03ec418f54a7
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 11/03/1991 - 27/05/1991
Geospatial Coverage {"type": "Polygon", "coordinates": [[[148.4002, -33.0567], [150.0988, -33.0567], [150.0988, -31.9309], [148.4002, -31.9309], [148.4002, -33.0567]]]}
Data Portal data.gov.au