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3D magnetic susceptibility model of a deep iron-oxide apatite-bearing orebody incorporating borehole data in Blötberget, Sweden
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Geophysics. Sveriges geologiska undersökning.
Sveriges geologiska undersökning.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Geophysics.ORCID iD: 0000-0003-1241-2988
Sveriges geologiska undersökning.
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2019 (English)Conference paper, Oral presentation with published abstract (Refereed)
Abstract [en]

We have processed and modelled in 3D available airborne magnetic data flown over the Blötberget iron-oxide deposit in central Sweden. 3D magnetic susceptibility models were then compared to the existing borehole information, downhole logging data and ground geological observations. Use of such information in the 3D inversion of the magnetic field data in the form of a reference model has considerably improved the 3D model in resolving the deeper parts of the iron-oxide orebody as well as the geometry of nearby geological structures. Unconstrained inversion results, however, do not resolve the true dip and depth extension of the iron-oxide orebody.

Place, publisher, year, edition, pages
2019.
National Category
Geophysics
Research subject
Geophysics with specialization in Solid Earth Physics
Identifiers
URN: urn:nbn:se:uu:diva-399962OAI: oai:DiVA.org:uu-399962DiVA, id: diva2:1379571
Conference
SAGA Biennial Conference & Exhibition, Durban, 6-9 October, 2019.
Available from: 2019-12-17 Created: 2019-12-17 Last updated: 2020-01-23Bibliographically approved

Open Access in DiVA

fulltext(460 kB)8 downloads
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Type fulltextMimetype application/pdf

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Malehmir, Alireza
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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf