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Regional Three-Dimensional Magnetotelluric Electrical Resistivity Model of the Manica Greenstone Belt, Western Mozambique
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.ORCID iD: 0000-0002-1629-2920
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.ORCID iD: 0000-0002-5600-5375
Department of Geology, Eduardo Mondlane University, Maputo, Mozambique.
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2026 (English)In: Journal of Geophysical Research - Solid Earth, ISSN 2169-9313, E-ISSN 2169-9356, Vol. 131, no 1, article id e2025JB031671Article in journal (Refereed) Published
Abstract [en]

Magnetotelluric (MT) survey results from the Late Archean Manica greenstone belt, an extension of the Odzi-Mutare greenstone belt of the Zimbabwe Craton, are presented. A total of 33 MT stations were acquired on an irregular grid with an average station spacing of approximately 5 km. This data set represents the first MT survey in Mozambique. The results from the 3-D modeling indicate a conductive mid-crustal structure in the central part of the surveyed greenstone belt and the presence of narrow sub-vertical conductive structures connecting the mid-crustal conductor with shallow structures. These sub-vertical conductive structures are tentatively interpreted as marking the location of fluid pathways for mineralizing fluids associated with gold occurrences. The modeled mid-crustal conductor mapped in the Manica greenstone belt does not have a western continuation toward the adjacent Odzi-Mutare greenstone belt in Zimbabwe.

Place, publisher, year, edition, pages
John Wiley & Sons, 2026. Vol. 131, no 1, article id e2025JB031671
Keywords [en]
magnetotelluric, electrical resistivity, Manica Greenstone Belt, Mozambique
National Category
Geophysics
Research subject
Applied Geophysics
Identifiers
URN: urn:nbn:se:ltu:diva-116049DOI: 10.1029/2025JB031671ISI: 001653870800001Scopus ID: 2-s2.0-105026633013OAI: oai:DiVA.org:ltu-116049DiVA, id: diva2:2030128
Funder
Sida - Swedish International Development Cooperation Agency, 51140073
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Full text license: CC BY-NC

Available from: 2026-01-20 Created: 2026-01-20 Last updated: 2026-06-30Bibliographically approved

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Castelo, João Júnior JoãoRasmussen, Thorkild MaackSmirnov, Maxim

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CiteExportLink to record
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