Authigenic Barite in Tailing Dumps: Mineralogical and Geochemical Data and Results of Physico-Chemical Modeling
Natalia V. Yurkevich,
Alfiia Sh. Shavekina,
Olga L. Gaskova
et al.
Abstract:On the example of the Novo-Ursk tailing dump (Salair Ridge), the typomorphic characteristics of barite are considered. It was found that in the dumps, in addition to residual barite from pyrite-polymetallic ores, there are its authigenic varieties. Ore barite grains are found in the form of fragments of irregular shapes, less often grains of a tabular habit, have a dimension of 50–400 microns, Sr up to 1.41 wt.%. Newly formed barite occurs as single grains or clusters of round and elongated shapes or acicular … Show more
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