 | 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...types are defined: Ca,Mg-, Na,K,Mg-, K,Mg- and K,Nadominant. Sources of fluids include (i) fluids exsolved...exsolved from pegmatite melt (Na, K, Ca, ± Li), particularly in the more evolved pegmatites, and (ii) fluids |  | | 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 |
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