Polymetamorfně přepracované, páskované a silicifikované magnetitové rudy v desenských rulách (Silesikum, Česká republika)

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Title in English Polymetamorphic overprinted and silicified banded magnetite ores from the Desná gneisses (Silesicum, Czech Republic)
Authors

MÜCKE Arno LOSOS Zdeněk

Year of publication 2000
Type Article in Periodical
Magazine / Source Acta Mus. Moraviae, Sci. geol.
MU Faculty or unit

Faculty of Science

Citation
Field Geology and mineralogy
Keywords banded magnetite ore; gondite; Desná unit; Sobotín massif; Silesicum
Description Magnetite ores of the Desná Group in Silesicum represent metamorphosed and silicified banded iron ores, primarily of magmatic origin, similar to the "Itakpe" ore type in Nigeria. Mn-rich bands consisting mainly of spessartite dominated rocks are also present in the heterogeneous ores. They are suggested to be identical to the gondite - silicate facies of iron formation (type Algoma).
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