Genesis of Sphalerite Rhythmites from the Upper-Silesian Zinc-Lead Deposits — A Discussion

  • M. Sass-Gustkiewicz
  • K. Mochnacka
Part of the Special Publication of the Society for Geology Applied to Mineral Deposits book series (MINERAL DEPOS., volume 10)

Abstract

Based on the data collected from the Pomorzany Zn-Pb mine, the authors present a formation model of “rhythmically banded sphalerite ores” (“rhythmites”) known from the Mississippi Valley-type (MVT) Zn-Pb deposits. The origin of these ores is controversial and the discussion reflects the differences in syngenetic versus epigenetic interpretation. Meso-, macro- and microscopic observations lead to the conclusion that the ores are of metasomatic origin and resulted from two processes: (1) replacement contemporaneous with dissolution; (2) cavity filling. The genetic model explains the transition from primary depositional rhythmicity (abab) to a superimposed, non-depositional, bipolar one (abcdcba).

Keywords

Zinc Crystallization Sulphide Calcite Recrystallization 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • M. Sass-Gustkiewicz
    • 1
  • K. Mochnacka
    • 1
  1. 1.Institute of Geology and Mineral DepositsUniversity of Mining and Metallurgy, al.KrakowPoland

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