Native selenium as a byproduct of microbial oxidation of distorted pyrite crystals: the first occurrence in the Carpathians

Year, pages: 2013, 231 - 236

Acicular crystals of native selenium up to 30 µm long occur together with barite on the surface of goethite partial pseudomorphs after millimeter-sized pseudotetragonal-prismatic pyrite crystals in calcite veins that cross-cut Senonian sandstones of the Silesian Nappe in the western Polish Outer Carpathians. Native selenium originated from selenium apparently released during bacteria-induced oxidation of pyrite at neutral or near-neutral pH conditions. Oxidizing bacteria preferentially colonized {100} faces of pyrite relative {111} faces.

Szeleg, E., Janeczek, J., Metelski, P. 2013. Native selenium as a byproduct of microbial oxidation of distorted pyrite crystals: the first occurrence in the Carpathians. In Geologica Carpathica, vol. 64, no.3, pp. 231-236. 1335-0552. DOI: https://doi.org/10.2478/geoca-2013-0017

Szeleg, E., Janeczek, J., Metelski, P. (2013). Native selenium as a byproduct of microbial oxidation of distorted pyrite crystals: the first occurrence in the Carpathians. Geologica Carpathica, 64(3), 231-236. 1335-0552. DOI: https://doi.org/10.2478/geoca-2013-0017