Dissolution of K-feldspar into Si-Al gel and crystallization of halloysite identified in the kaolin deposit of Săo Vicente de Pereira (Portugal)

by Bobos, Iuliu, Gomes, Celso
Source: 1. Geologica carpathica 1. 1335-0552 1. Roč. 51, č. 1 (2000), s. 49-57

Paleozoic clays of Tunisia

by Alouani, Rabah, Duplay, Joelle, Galindo, Alberto Lopez, Gomes, Celso, Jamoussi, Fakher, Kharbachi, Samir, Rocha, Fernando, Zargouni, Fouad
Source: 1. Geologica carpathica 1. ISSN 1335-0552 1. Roč. 53, č. 2 (2002), s. 103-108