The genesis of the precambrian so-called iron formations (Sydvaranger type) within the gneiss of the Desná Dome, Hrubý Jeseník Mts., Czech Republic

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Authors	MÜCKE Arno LOSOS Zdeněk
Year of publication	2002
Type	Article in Proceedings
Conference	Mineralogical Society of Poland - Special Papers
MU Faculty or unit	Faculty of Science
Citation
Field	Geology and mineralogy
Keywords	iron formation; magnetite; Desná Dome; Silesicum
Description	By definition iron formations are of sedimentary origin. However, the magnetite ores of the Desná Dome in Silesicum were formed under magmatic conditions and are metamorphosed and silicified equivalents of iron-rich basic rocks and thus similar to the Itakpe type deposit of Nigeria (Mücke, Neumann 1986) which was previously described as iron formation (Olade 1982).
Related projects:	Geological Processes and their Environmental Impact - Contact of the Variscides and Alpides