Search Results - "Silva, Paulo Bravo"

Zircon U-Pb and Lu-Hf isotopes reveal the crustal evolution of the SW Angolan Shield (Congo Craton) by Ferreira, Ezequiel, Lehmann, Jérémie, Feliciano Rodrigues, José, Hayes, Ben, Merino-Martínez, Enrique, Milani, Lorenzo, Bybee, Grant M., Owen‑Smith, Trishya M., Luis García-Lobón, José, C. G. Tassinari, Colombo, Ueckermann, Henriette, Sato, Kei, Bravo Silva, Paulo, Correia, João, Labaredas, José, Duarte, Laurent, Molekwa, Mmasetena Anna, Manuel, José, da Mata Lourenço Victorino, Américo

“…[Display omitted] •Mesoproterozoic (1.32–1.13 Ga) deposition for Iona, Ompupa, and Cahama siliciclastics.•Isotopic data reveal temporal and spatial…”
Get full text

Geochemistry of granitic aplite-pegmatite dykes and sills and their minerals from the Gravanho-Gouveia area in Central Portugal by Neiva, Ana Margarida Ribeiro, Gomes, Carlos Leal, Silva, Paulo Bravo, Gomes, Maria Elisa Preto, dos Santos, António Carlos Tavares

“…Two distinct series of Variscan granitic rocks have been distinguished in the Gravanho-Gouveia area of Portugal, based on field work, variation diagrams for…”
Get full text

Petrogenetic links between lepidolite-subtype aplite-pegmatite, aplite veins and associated granites at Segura (central Portugal) by Antunes, Isabel Margarida Horta Ribeiro, Neiva, Ana Margarida Ribeiro, Ramos, João Manuel Farinha, Silva, Paulo Bravo, Silva, Maria Manuela Vinha Guerreiro, Corfu, Fernando

“…In the Segura area, Variscan S-type granites, aplite veins and lepidolite-subtype granitic aplite-pegmatite veins intruded the Cambrian schist-metagraywacke…”
Get full text

Release, Migration, Sorption, and (Re)Precipitation of U during Peraluminous Granite Alteration under Oxidizing Conditions in Central Portugal by Cabral Pinto, Marina, Silva, Maria, Neiva, Ana, Guimarães, Fernanda, Silva, Paulo

“…In this work, in order to study the release, migration, sorption, and (re)precipitation of uranium (U) during alteration under oxidizing conditions, we carried…”
Get full text

Sequential melting and fractional crystallization: Granites from Guarda-Sabugal area, central Portugal by Neiva, Ana Margarida Ribeiro, Silva, Paulo Bravo, Corfu, Fernando, Ramos, João Manuel Farinha

“…Seven distinct phases of Variscan two-mica granite are recognized in the Guarda-Sabugal area. They intruded the Cambrian schist-metagraywacke complex,…”
Get full text

Mineralogia, Petrologia e geoquímica de Granitos e Filões Aplito-Pegmatíticos da Região de Guarda - Sabugal by de Almeida e Silva, Paulo José Alves Bravo

“…A região situada entre Guarda e Sabugal localiza-se na Zona Centro-Ibérica e é dominantemente formada por granitos de tipo S, instalados durante a etapa…”
Get full text

Estudo Petrográfico, Mineralógico e Geoquímico dos Maciços Graníticos de Bruçó e Fonte Santa (Ne de Portugal) by de Almeida e Silva, Paulo José Alves Bravo

“…Dans ce travail on présente des études pétrographiques, minéralogiques et géochimiques des massifs granitiques de Bruçó e Fonte Santa, affleurant dans la…”
Get full text