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Building 3D geomodels using XRF-XRT-generated drillcore data: The Lovisa-Håkansboda base metal- and Stråssa-Blanka iron deposits in Bergslagen, Sweden
Department of Mineral Resources, Geological Survey of Sweden, Sweden.
Department of Earth Sciences, Uppsala University, Sweden.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering. (Ore Geology)ORCID iD: 0000-0002-2634-6953
Department of Mineral Resources, Geological Survey of Sweden, Sweden.
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2019 (English)In: Life with Ore Deposits on Earth: Proceedings of the 15th SGA Biennial Meeting 2019, Glasgow, Scotland, 2019, Vol. 3, s. 1282-1485, 2019Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

3D geological models based on data fromgeological field observations, magnetic airborne surveys and combined XRF-XRT scanning of drill core arepresented for the Lovisa-Håkansboda and the Stråssa-Blanka mineral systems (1.9 - 1.8 Ga). At first, the 3D architecture of several deposits was derived primarilyfrom surface data and mine-level maps. Secondly, geochemical and structural constrains from drill corescanning (XRF-XRT) were used to refine the modelslocally to a detailed, in-mine scale. The constructed models were then placed in a regional context providingvaluable insight on the area’s local and regional deformation pattern. All modelled deposits are plunging 50-60° towards the south-southeast reflecting D2 deformation (vertical shearing) during NW-SE-directed shortening and are locally overprinted by D3 (lateral shearing) during N-S-directed shortening.

Place, publisher, year, edition, pages
2019.
National Category
Geology
Research subject
Ore Geology
Identifiers
URN: urn:nbn:se:ltu:diva-76062OAI: oai:DiVA.org:ltu-76062DiVA, id: diva2:1352636
Conference
15th SGA Biennial Meeting 2019, Glasgow, Scotland
Projects
X-mine H2020, https://xmine.eu
Funder
EU, Horizon 2020, 730270Available from: 2019-09-19 Created: 2019-09-19 Last updated: 2019-10-22Bibliographically approved

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CiteExportLink to record
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