Publication details

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

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).
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