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Project Overview

Project Number
Total Grant Value
MRIWA Contribution
Project Theme
Detection Technology
Project Period
2017 - 2019

The Challenge

Many of Australia’s prospective mineral terrains extend beneath layers of sedimentary rock, shielding possible ore deposits from discovery. Recognising clues that may point to mineralisation through this cover to better target exploration investment requires the development of new exploration methods.

Key Findings

Cooperative inversion of magnetotelluric and seismic data using the software toolbox developed in this research produces better interpretations of the sub-surface geology than either dataset could independently.

Tested on datasets crossing the Yilgarn Craton–Officer Basin–Musgrave Province of Western Australia, this approach was able to successfully predict rock properties down to depths exceeding those of routine mineral exploration, and reveal previously hidden geological features.

Benefit to WA

The cooperative inversion method developed in this research unlocks additional value in existing geophysical datasets covering Western Australia, without requiring expensive new studies.

This improved constraint of sub-surface geology will reduce the risk in targeting major ore bodies beneath barren cover rocks, encouraging exploration investment in under-explored areas of the state.

Keywords: cooperative inversion, seismic data, magnetotelluric data, mineral exploration

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Page was last reviewed 29 December 2022

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