The three-dimensional inversion of magnetic and gravity gradient tensor data

Philip J. Heath

doi:10.1071/ASEG2003ab069

ISSN: 2202-0586
E-ISSN:

oa The three-dimensional inversion of magnetic and gravity gradient tensor data
Authors Philip J. Heath^a
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^a Cooperative Research Centre for Landscape Evolution and Mineral Exploration, School of Earth and Environmental Science,, University of Adelaide, , Australia, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2003, Issue ASEG2003 - 16th Geophysical Conference, Aug 2003, p. 1 - 4
DOI: https://doi.org/10.1071/ASEG2003ab069
- Published online: 01 Aug 2003

Abstract

Algorithms have been constructed in MATLAB for the inversion of potential field tensor (vector gradient) data using Monte Carlo and downhill simplex processes. Such algorithms have been used to invert artificially created data sets generated from simple geological structures, such as linear dykes and faults. Both magnetic and gravity tensor data can be examined using the algorithms. The algorithms have been tested over a range of depths, from metres to kilometres. They stop inversion once ideal parameters are obtained (RMS error equal to one), or can be altered to continue, in order to overfit the model.

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Article Type: Research Article

Keyword(s): Downhill simplex; gravity tensor; magnetic tensor; Monte Carlo; Potential fields; simulations; three-dimensional inversion; vector gradients

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oa The three-dimensional inversion of magnetic and gravity gradient tensor data

Abstract

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