Valentinite and Colloform Sphalerite in Epithermal Deposits from Baia Mare Area, Eastern Carpathians

Autor: Gheorghe Damian, Andrei Buzatu, Ionut Andrei Apopei, Zsolt László Szakács, Ioan Denuț, Gheorghe Iepure, Daniel Bârgăoanu

Publikováno v: Minerals, Vol 10, Iss 2, p 121 (2020)

Valentinite forms through the alteration of stibnite in sulphide deposits. Colloform sphalerite is a widespread mineral in low-temperature deposits, particularly those of the Mississippi-Valley type. We identified valentinite and colloform sphalerite

Externí odkaz: https://doaj.org/article/e16860e34f1140eaa799a3cdad535892

The black calcite and its mineral assemblage in Herja ore deposit, Romania

Autor: Călin Gabriel Tămaș, Ioan Mârza, Nicolae Har, Ioan Denuț

Publikováno v: European Journal of Mineralogy
European Journal of Mineralogy, Copernicus, 2018, 30 (6), pp.1141-1153
European Journal of Mineralogy, Copernicus, 2018, 30 (6), pp.1141-1153. ⟨10.1127/ejm/2018/0030-2779⟩

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22d6598b13a2998ae0cac741986a2d96
https://doi.org/10.1127/ejm/2018/0030-2779

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

Autor: Réka Kovács, Ioan Denuț, Romulus Tetean, Alina Andreica, Călin Gabriel Tămaș, Ioan Mârza

Publikováno v: Minerals, Vol 9, Iss 6, p 352 (2019)

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 bein

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bc76b842203ff09fe9c7e9a369b4b48
https://doi.org/10.3390/min9060352