Epithermal Bicolor Black and White Calcite Spheres from Herja Ore Deposit, Baia Mare Neogene Ore District, Romania-Genetic Considerations

White, black, or white and black calcite spheres were discovered during the 20th century within geodes from several Pb-Zn ± Au-Ag epithermal vein deposits from the Baia Mare ore district, Eastern Carpathians, Romania, with the Herja ore deposit being the maiden occurrence. The black or blac...

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Bibliographic Details
Main Authors: Ioan Mârza, Călin Gabriel Tămaș, Romulus Tetean, Alina Andreica, Ioan Denuț, Réka Kovács
Format: Article
Language:English
Published: MDPI AG 2019-06-01
Series:Minerals
Subjects:
Online Access:https://www.mdpi.com/2075-163X/9/6/352