Listando Articles publicats en revistes por materia "Fosfats"

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Colours of gemmy phosphates from the Gavà neolithic mines (Catalonia, Spain): origin and archaeological significance

Díaz-Acha, Yael; Campeny, Marc; Casas, Lluís; Di Febo, Roberta; Ibáñez-Insa, Jordi; Jawhari, Tariq; Bosch, Josep; Borrell, Ferran; Jorge-villar, Susana Esther; Greneche, Jean-Marc; Tauler, Esperança; Melgarejo, Joan Carles (2022-03-17)

In the Neolithic Gavà mines, variscite and turquoise were exploited for ornaments manufacturing, although some prospective pits and tunnels were dug on other similar greenish minerals such as smectite or kandite. A 3D study ...

Critical elements in supergene phosphates: the example of the weathering profile at the Gavà Neolithic Mines, Catalonia, Spain

Díaz-Acha, Yael; Campeny, Marc; Tauler, Esperança; Bosch, Josep; Melgarejo, Joan Carles; Camprubí, Antoni; Vilanova-de-Benavent, Cristina; Jorge-Villar, Susana E.; Díaz-Ontiveros, Iria; Fernández-Lluch, David; Proenza, Joaquín A.; Andreazini, Aleu; Pastor, Míriam (2019-12-18)

The essential role of Critical Elements (CE) in 21st century economy has led to an increasing demand of these metals and promotes the exploration of non-conventional deposits such as weathering profiles. The present work ...

Machine learning algorithms applied to Raman spectra for the identification of variscite originating from the mining complex of Gavà

Díez-Pastor, José Francisco; Esther, Susana; Arnaiz-González, Álvar; García-Osorio, César Ignacio; Díaz-Acha, Yael; Campeny, Marc; Bosch, Josep; Melgarejo, Joan Carles (2018-11-22)

Variscite is an aluminium phosphate mineral widely used as a gemstone in antiquity. Knowledge of the ancient trade in variscite has important implications on the historical appreciation of the commercial and migratory ...