Conversion of smectite to ammonium illite in the hydrothermal system of Harghita Băi, Romania: SEM and TEM investigations

Autor Bobos, Iuliu, Ghergari, Lucretia
Zdroj: 1. Geologica carpathica 1. 1335-0552 1. Roč. 50, č. 5 (1999), s. 379-387

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

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