Crystal chemistry and origin of grandidierite, ominelite, boralsilite, and werdingite from the Bory Granulite Massif, Czech Republic

• Authors: CEMPÍREK Jan; NOVÁK Milan; DOLNÍČEK Zdeněk; KOTKOVÁ Jana; ŠKODA Radek
• Year of publication: 2010
• Type: Article in Periodical
• Magazine / Source: American Mineralogist
• MU Faculty or unit: Faculty of Science
• Field: Geology and mineralogy
• Keywords: borosilicate; grandidierite; boralsilite; werdingite; granulite; partial melting; Bohemian Massif
• Description: A veinlet croscutting the host granulite foliation in the Bory Granulite Massif contains mineral assemblage involving grandidierite-ominelite, boralsilite, Fe-analogue of werdingite, dumortierite (locally Sb,Ti-rich), tourmaline and corundum. The assemblage formed at medium pressure and moderate temperature during the exhumation of the granulite body.

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