 | | Journal (article/letter/editorial) | | QUARTZ–FELDSPAR INTERGROWTHS FROM THE VĚŽNÁ I PEGMATITE, CZECH REPUBLIC: A COMPLEX DESILICATION PROCESS RELATED...Masaryk University, Kotlářská 2, CZ–611 37 Brno, Czech Republic Abstract Quartz replacement by “kerolite”...desilicated granitic pegmatite hosted in serpentinized apoharzburgite, at the locality Věžná I, western Moravia...Moravia, Czech Republic. Pale brownish to white “kerolite” (Mg2.77–2.79Al0.09–010Fe0.04Si4.05–4.08O10(OH)2•1...process of transformation of quartz to “kerolite” at Věžná occurs not only in granitic pegmatites but may operate |  | Čopjaková, Renata, Prokop, Jiří, Novák, Milan, Losos, Zdeněk, Gadas, Petr, Škoda, Radek, Holá, Markéta (2021) Hydrothermal alteration of tourmaline from pegmatitic rocks enclosed in serpentinites: Multistage processes with distinct fluid sources. Lithos, 380. 105823pp. doi:10.1016/j.lithos.2020.105823 | Journal (article/letter/editorial) | | 37 Brno, Czech Department of Chemistry, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech ro b...b of Republic; copjakova@sci.muni.cz re -p Republic Abstract lP Hydrothermal alteration of primary...cutting serpentinite from the Moldanubian Zone, Czech Republic. Tourmaline is replaced by a wide spectrum...Nadominant. Sources of fluids include (i) fluids exsolved from pegmatite melt (Na, K, Ca, ± Li), particularly...fluid mixing lP Key words: tourmaline; granitic pegmatite; tourmaline replacement; hydrothermal alteration; |  | Novák, M., Prokop, J., Losos, Z., Macek, I. (2017) Tourmaline, an indicator of external Mg-contamination of granitic pegmatites from host serpentinite; examples from the Moldanubian Zone, Czech Republic. Mineralogy and Petrology, 111 (4) 625-641 doi:10.1007/s00710-017-0512-4 | Journal (article/letter/editorial) | | the Moldanubian Zone, Czech Republic M. Novák 1 & J. Prokop 1 & Z. Losos 1 & I. Macek 1 Received: 29...enclosed in serpentinites of the Moldanubian Zone, Czech Republic were examined, mainly by electron probe micro-analyser...Mg(Ca)-contamination from their host rocks. The rocks include: (i) homogeneous to slightly heterogeneous nests of p...simply zoned barren pegmatite dikes (group B), and (iii) Li-bearing zoned pegmatite dikes of rare-element...minor Ca-contamination (group B plus the locality Věžná I of the group C) and weak Mg-contamination of the |  | | Book | | located near Pleystein our “scientific field camp”. I could not imagine to see him without a judo mat close...honors. I got in contact with him, sharing the same passion for minerals and the NE Bavarian region. The...daily routine, he did not postpone my questions. I did not receive an answer from him, he provided me...to send me the scale bar for each photograph. So I left his legacy as it stands. Those images (if some...Bohemian Massif, which is shared by Germany, the Czech Republic, Poland and Austria, has been focused on these |
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Věžná I pegmatite, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic