Strengit s proměnlivým obsahem hliníku v grafitem bohatých horninách moldanubika na lokalitě Štěměchy

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Title in English	Strengite with the variable Al-content from the graphite-rich moldanubian rocks on the Štěměchy locality
Authors	NOHAVICOVÁ Markéta VÁVRA Václav
Year of publication	2013
Type	Article in Periodical
Magazine / Source	Acta Mus. Moraviae, Sci. geol.
MU Faculty or unit	Faculty of Science
Citation
Field	Geology and mineralogy
Keywords	strengite; graphite-rich rocks; graphitic quartzites; Moldanubicum of Western Moravia; Štěměchy
Description	The late fissure mineralization with phosphate minerals was noted in graphitic moldanubian rocks. On the Štěměchy locality is formed by the oldest quartz, strengite and the youngest clay minerals. Variable content of Al (0.0108–0.489 apfu Al) in strengite were also detected. In the phosphate minerals is the strengite component prevalent with a regular content up to 1.5 wt. % V2O5 (0.03 apfu V). The origin of this late mineralization is connected with the weathering of primary feldspars and V-bearing minerals (V-rich muscovite).
Related projects:	CEITEC - Central European Institute of Technology Partnerská síť pro spolupráci a aplikace v geoenvironmentálních a geotechnických oborech