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Ore Genesis pp 308–318Cite as

The Colquiri Tin Deposit: a Contribution to Its Genesis

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Part of the book series: Special Publication of the Society for Geology Applied to Mineral Deposits ((MINERAL DEPOS.,volume 2))

Abstract

The paragenesis of a representative vein in a deeply situated part of Colquiri tin mine (Bolivia) was investigated in detail. The mineral content consists of sulphides (about 80 wt.% pyrrhotite, sphalerite, pyrite and marcasite as main components), cassiterite and gangue minerals. The occurrence of topaz, chalcopyrrhotite and traces of teallite is remarkable. Deposition of the minerals took place during three periods. Topaz is formed possibly katathermaEy. The kata to mesothermal cassiterite exhibits small grain size and a columnar and needlelike habit. Using experimental sulphide data, the formation temperatures of the primary sulphides were determined to be 300°–400°C. No paragenetic relations to subvolcanic tin mineral assemblages could be observed. Indications of hydrothermal regenerative processes (“hybrid” formations) were not found.

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Author information

Authors and Affiliations

  1. Mineralogisches Institut, Freien Universität Berlin, Takustraße 6, 1000, Berlin 33, Germany

    D. Hanus

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  1. D. Hanus
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Editor information

Editors and Affiliations

  1. Mineralogisch-Petrographisches Institut, Universität Heidelberg, Im Neuenheimer Feld 236, 6900, Heidelberg, Germany

    G. C. Amstutz , G. Frenzel , C. Kluth , G. Moh , A. Wauschkuhn  & R. A. Zimmermann , , , ,  & 

  2. Max-Planck-Institut für Kernphysik, Saupfercheckweg, 6900, Heidelberg, Germany

    A. El Goresy

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© 1982 Springer-Verlag Berlin Heidelberg

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Hanus, D. (1982). The Colquiri Tin Deposit: a Contribution to Its Genesis. In: Amstutz, G.C., et al. Ore Genesis. Special Publication of the Society for Geology Applied to Mineral Deposits, vol 2. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-68344-2_31

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  • DOI: https://doi.org/10.1007/978-3-642-68344-2_31

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-68346-6

  • Online ISBN: 978-3-642-68344-2

  • eBook Packages: Springer Book Archive

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