Sphalerite from transgressive and regressive sediments of the Cambro-Silurian supercycle, Baltic Shield | Zendy

M. Lindstrom | Zendy; W. Vortisch | Zendy

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Sphalerite from transgressive and regressive sediments of the Cambro-Silurian supercycle, Baltic Shield

Author(s) -

M. Lindstrom,

W. Vortisch

Publication year - 1978

Publication title -

bulletin of the geological society of denmark

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.674

H-Index - 28

eISSN - 2245-7070

pISSN - 0011-6297

DOI - 10.37570/bgsd-1978-27-04

Subject(s) - geology , pyrite , sedimentary rock , sphalerite , geochemistry , sediment , sedimentation , dolomite , baltic shield , geomorphology , mineralogy , crust

A sedimentary micro-vent in Lower Cambrian sandstone, and spar filled cephalopod shells in uppermost Wenlockian barite and dolomite carrying silty pelmicrosparite contain well-developed macroscopic ZnS0mineralization and very little pyrite. As controlling factors are suggested, good permeability, avail- ability in underlying sediment of finely dispersed organic matter with sorbed Zn, and low s2-- activity in the percolating water. Sedimentation was temporarily rather rapid.

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