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Character of gold within the Aitik ore body: preliminary results from a geometallurgical study
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.ORCID iD: 0000-0003-4711-7671
Boliden Mineral AB.
2008 (English)In: Conference in Minerals Engineering 2008, Luleå: Luleå tekniska universitet, 2008, 143-150 p.Conference paper, Published paper (Other academic)
Abstract [en]

The Aitik Cu-Au-Ag deposit in northernmost Sweden is one of Europe's largest copper-gold mines. Even if the gold grade is as low as 0.2 ppm, gold is an important metal for the mine, which produces 1.5-2 tonnes of gold per year as a by-product. Being a vital part of a large production system, the Aitik mine production plans are the basis for development of smarter and more efficient processes downstream. A geometallurgical study has therefore been initiated in order to improve the confidence of the production plans by the achievement of a better understanding of the site, character and mineral association of gold within the ore body, and we here report the results from the preliminary petrographic studies. The gold detected so far occur mainly as < 40 µm grains associated with silicate minerals such as quartz, biotite and feldspars, and with magnetite. Gold grains occur both as inclusions within mineral grains and at grain boundaries. The diversity of gold occurrences and the dominance of silicate-associated gold instead of traditionally sulphide-associated, highlights the importance of understanding this variability for metallurgical processing.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2008. 143-150 p.
Series
Technical report / Luleå University of Technology, ISSN 1402-1536
National Category
Geology
Research subject
Ore Geology
Identifiers
URN: urn:nbn:se:ltu:diva-37197Local ID: b2516fa0-c777-11dd-941d-000ea68e967bOAI: oai:DiVA.org:ltu-37197DiVA: diva2:1010695
Conference
Konferens i mineralteknik 2008 : 05/02/2008 - 06/02/2008
Note
Godkänd; 2008; 20081211 (chwa)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
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  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
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