NEOBVYKLÁ SN-MINERALIZACE Z NYF PEGMATITU U KLUČOVA; TŘEBÍČSKÝ MASIV, MOLDANUBIKUM

Radek Škoda, Renata Čopjaková

Abstrakt

Sn-mineralisation was found in the NYF pegmatite near Klučov, in the Třebíč Massif. It fills small veinlets in albitized graphic or blocky K-feldspar zone. Two different mineral assemblages were distinguished: herzenbergite-varlamoffite-stokesite-cassiterite and cassiterite-varlamoffite-tinzenite. Lathy herzenbergite I crystals up to 2 mm were formed during primary crystallization from late hydrothermal fluids and their chemical composition correspond to SnS with small amount of Cu and Fe. Varlamoffite and stokesite form fine grained aggregates and their textural relationships suggest replacement of herzenbergite.

Bibliografická citace

Škoda, R., & Čopjaková, R. (2016). NEOBVYKLÁ SN-MINERALIZACE Z NYF PEGMATITU U KLUČOVA; TŘEBÍČSKÝ MASIV, MOLDANUBIKUM. Geologické výzkumy na Moravě a ve Slezsku, 12. Získáno z https://journals.muni.cz/gvms/article/view/4902

Klíčová slova

Třebíč Massif; NYF pegmatites; Sn-mineralisation; herzenbergite; stokesite; kassiterite

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Reference

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