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GSWA Devils Creek Magnetic Grid Geodetic

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Created 20/01/2025

Updated 20/01/2025

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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. This GSWA Devils Creek Magnetic Grid Geodetic has a cell size of 0.00083 degrees (approximately 84m). The units are in nanoTesla (or nT). The data used to produce this grid was acquired in 1999 by the WA Government, and consisted of 3935 line-kilometres of data at 300m line spacing and 70m terrain clearance.

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Field Value
Title GSWA Devils Creek Magnetic Grid Geodetic
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/ecf26faa-7611-44d7-8676-c20574e1609d
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 09/07/1999 - 12/07/1999
Geospatial Coverage {"type": "Polygon", "coordinates": [[[118.7843, -34.4543], [119.3293, -34.4543], [119.3293, -34.101], [118.7843, -34.101], [118.7843, -34.4543]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "GSWA Devils Creek Magnetic Grid Geodetic". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/gswa-devils-creek-magnetic-grid-geodetic