Chemické složení turmalínu z hydrotermálně alterovaných vulkanitů u obce Hlásnice v jižní části šternbersko-hornobenešovského pruhu

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Title in English	Chemical composition of tourmaline from hydrothermal altered volcanic rocks in the neighbourhood of Hlásnice village in the southern part of the Šternberk-Horní Benešov Belt
Authors	PROKOP Jiří LOSOS Zdeněk PŘICHYSTAL Antonín
Year of publication	2012
Type	Article in Periodical
Magazine / Source	Geologické výzkumy na Moravě a ve Slezsku
MU Faculty or unit	Faculty of Science
Citation
Field	Geology and mineralogy
Keywords	tourmaline;Šternberk-Horní Benešov belt;Devonian;metabasalt;K-metasomatism
Description	Mineralogy and chemical composition of tourmaline from hydrothermal altered volcanic rocks in the neighbourhood of Hlásnice village in the southern part of the Šternberk-Horní Benešov Belt were studied. Tourmalines from the Hlásnice 2 borehole correspond to dravite. Tourmalines from the Hlásnice 3 borehole have schorl composition. Tourmalines shoved a significant Na-enrichment at the X-site position which is unique compared to tourmaline associated with hydrothermal ore deposits.
Related projects:	Chemical composition and structural order of natural tourmalines - geochemical versus crystal-structural constraints