Zpravodaj Hnědé uhlí 2025, 65(1)

New occurrence of cordierite in the Most basin area

RNDr. Michal Řehoř, Ph.D., Ing. Lukáš Žižka, Ph.D.

Cordierite is a very rare mineral in the conditions of the Most Basin, and its presence has so far always been associated with thermal metamorphism. The first mention of cordierite, as a product of clay transformation in porcelainites, dates back to the 1980s (Fediuk, 1988), but no macroscopically visible specimen has been found so far. The first such specimen is a blue-gray bulk sample measuring approximately 5 x 5 cm, which was found in 2016 at the ČSA quarry (Řehoř, 2016). The main attention is now focused on a new discovery of massive cordierite in 2024.

Published: March 1, 2025  Show citation

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Řehoř, M., & Žižka, L. (2025). New occurrence of cordierite in the Most basin area. Brown Coal Bulletin65(1), 
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