Miniatura

    La catalogación de una colección petrológica moderna: el caso del Museu de Ciències Naturals de Barcelona 

    Díaz-Acha, Yael; Díaz-Ontiveros, Iria; Roquet Peña, Miguel (2024-07-30)

    El Museu de Ciències Naturals de Barcelona (MCNB) ejemplifica la definición de museo, realizada por el Consejo Internacional de Museos (ICOM) en 2022, coleccionando, conservando e investigando colecciones de Ciencias de ...

    Miniatura

    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 ...

    Miniatura

    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 ...

    Miniatura

    La “Enciclopedia Pulga” (1953-1958): su contribución al conocimiento de las Ciencias Naturales 

    Barroso-Barcenilla, Fernando; Audije-Gil, Julia; Díaz-Acha, Yael (2019)

    Miniatura

    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 ...

    Miniatura

    Sandstone-hosted uranium deposits as a possible source for critical elements: the Eureka mine case, Castell-Estaó, Catalonia 

    Castillo-Oliver, Montgarri; Melgarejo, Joan Carles; Torró, Lisard; Vilanova-de-Benavent, Cristina; Campeny, Marc; Díaz-Acha, Yael; Amores-Casals, Sandra; Xu, Jingyao; Proenza, Joaquín A.; Tauler, Esperança (2019-12-30)

    The Eureka deposit in Castell-estaó in the Catalan Pyrenees is a Cu–U–V deposit, hosted by Triassic red-bed sandstones, and classified here as a low-temperature, sandstone-hosted stratabound metamorphite U deposit. The ...