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Geochemistry of Ultramafic-Mafic Units Related to Fe-, Cu-, and Au Deposits in the Gallivare Region, Northern Norrbotten, Sweden
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.
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.
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2015 (English)In: Mineral Resources in a Sustainable World / [ed] A.S. Andre-Mayer; M. Cathelineau; P. Muchez; E. Pirard; S. Sindern, 2015, 1123-1126 p.Conference paper (Refereed)
Abstract [en]

Geochemical investigations were carried out in the Gallivare area as a part of a larger project aiming to understand the crustal architecture of the region in 3D. Major igneous suites such as the Dundret and Vassaravaara intrusions with additional smaller mafic intrusions have been identified as key localities and investigated. Results indicate two distinct rock units. The first suite is assigned to ultramafic-mafic layered intrusions with a calc-alkaline to a more tholeiitic composition belonging to the Dundret and Vassaravaara intrusions. The second suite is mainly of mafic to intermediate composition with a clear ophitic texture. This paper investigate the source and origin of the key rock suites, playing a major role on the evolution of the Gallivare region, a region which is characterized by porphyry Cu, IOCG, and Al0 deposits including some of Europe's top producing Fe and Cu-Au-Ag (-Mo) mines.

Place, publisher, year, edition, pages
2015. 1123-1126 p.
Research subject
Ore Geology; Exploration Geophysics
Identifiers
URN: urn:nbn:se:ltu:diva-37771Local ID: be4fc3ff-2b8b-40a1-93d4-0438cfc12186ISBN: 978-2-85555-066-4OAI: oai:DiVA.org:ltu-37771DiVA: diva2:1011269
Conference
SGA Biennial Meeting on Mineral Resources in a Sustainable World : 24/08/2015 - 27/08/2015
Note
Validerad; 2016; Nivå 1; 20160621 (andbra)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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Sarlus, ZimerBauer, TobiasTavakoli, SamanWanhainen, Christina
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