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Tectonomagmatic aspects of intrusive hosted Cu-Au-Mo deposits in the Skellefte District, northern Sweden
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Mining and Geotechnical Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.ORCID iD: 0000-0003-3879-3897
Boliden Mineral AB.
Boliden Mineral AB, Earth Sciences Centre – Geology, Göteborg University.
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2013 (English)In: Mineral deposit research for a high-tech world: proceedings / [ed] Erik Jonsson, Uppsala: Sveriges Geologiska Undersökning , 2013, p. 770-773Conference paper, Published paper (Refereed)
Abstract [en]

The Algtrask gold deposit and several low grade base metal deposits, e.g. the Tallberg porphyry deposit, are hosted by the Jam intrusive complex in the northern part of the Skellefte District, northern Sweden. The intrusive complex was emplaced at 1.89-1.86 Ga in a continental margin volcanic arc setting, and the oldest 1.89 Ga phase is coeval with volcanic rocks within the Skellefte Group, a complex volcano-sedimentary succession hosting numerous VMS deposits. The intrusive hosted deposits are associated with 1.88 Ga quartz-feldspar porphyritic intrusive rocks, which formed from 1.89 Ga recycled crust. Hence, it is interpreted that the intrusive hosted deposits formed when the arc was under transpression-compression, 10 Myr after the spatially related VMS deposits, which formed when the arc was under extension.

Place, publisher, year, edition, pages
Uppsala: Sveriges Geologiska Undersökning , 2013. p. 770-773
National Category
Geology
Research subject
Ore Geology
Identifiers
URN: urn:nbn:se:ltu:diva-31534Local ID: 5bee1ae1-b117-4a2d-a655-1de9673bcfdfISBN: 978-91-7403-207-9 (print)OAI: oai:DiVA.org:ltu-31534DiVA, id: diva2:1004768
Conference
Biennial SGA Meeting : Mineral deposit research for a high-tech world 12/08/2013 - 15/08/2013
Note
Godkänd; 2013; 20150220 (andbra)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-03-15Bibliographically approved

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Bejgarn, ThereseWeihed, Pär

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