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Exploration of Iron ore deposits in Patagonia. Insights from gravity, magnetic and SP modellingNormal access

Authors: R. Christiansen, J. Kostadinoff, J. Bouhier and P. Martinez
Journal name: Geophysical Prospecting
Issue: Vol 66, No 9, November 2018 pp. 1751 - 1763
DOI: 10.1111/1365-2478.12678
Organisations: Wiley
Language: English
Info: Article, PDF ( 16.18Mb )

Summary:
The Sierra Grande region in northern Patagonia is considered the largest iron ore reserve in Argentina; however, the extension of the non-outcropping deposits as well as the depth of the basins that contain them remains unknown. Utilizing 3D litho-constrained inversion of gravity and magnetic data, we delimited an area with good prospects for iron ore deposits. In this region, high-resolution magnetic and self-potential profiles were acquired over the most important anomalies. Correlating both methodologies, it was possible to specify the possible

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