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).
Related projects:	Geological Processes and their Environmental Impact - Contact of the Variscides and Alpides