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An Investigation of the Structural Setting and Deformation of the Malmberget Iron Ore Deposits within the old Bergmästaren, Sparre and Kaptens Open Pits
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The Malmberget apatite iron ore deposit is one of the most important iron producers within Europe located within an area of world-renowned mines and mining companies. It is becoming increasingly accepted that in order to increase our resources it is essential to gain a better understanding of the formation and evolution of our known mineral deposits. This thesis is part of an ongoing multi-scale 4-dimensional geological modeling project as part of a collaboration between Vinnova, LKAB, Boliden & LTU. The aim of the which is to piece together the series of geological events that are responsible for the entire Gällivare mining district as seen today. This project looks at three smaller old open pits on the outer limbs of the synform fold structure that forms the Malmberget deposit. This thesis aims to gain a better understanding of the structures that have defined this current shape, and relating them to the regional-scale structural evolution. The results show two distinct deformation events, D1and D2, with each event leaving their own signature on the region. D1 deformation resulted in the formation of high strain zones and a gneissic cleavage within the volcanic rocks. D2 deformation subsequently folded the S1 gneissic cleavage and high strain zones but without developing its own fabric.

Place, publisher, year, edition, pages
2016. , p. 33
Keywords [en]
Malmberget, Apatite Iron Ore, Deformation, Folding, High Strain Zones
National Category
Geosciences, Multidisciplinary
Identifiers
URN: urn:nbn:se:ltu:diva-60903OAI: oai:DiVA.org:ltu-60903DiVA, id: diva2:1051862
Educational program
Geosciences, master's level (120 credits)
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Examiners
Projects
Multi-scale 4-dimensional geological modeling of the Gällivare areaAvailable from: 2016-12-20 Created: 2016-12-04 Last updated: 2016-12-20Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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