Search Results - "Neiva, Ana"

A proposed new mineralogical classification system for granitic pegmatites; Part I, History and the need for a new classification by Müller, Axel, Simmons, William, Beurlen, Hartmut, Thomas, Rainer, Ihlen, Peter M, Wise, Michael, Roda-Robles, Encarnación, Neiva, Ana M. R, Zagorsky, Victor

“…This study represents the precursor and complementary study for the new classification of granitic pegmatites by Wise et al. (this issue) and provides a…”
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The granite-hosted Variscan gold deposit from Santo António mine in the Iberian Massif (Penedono, NW Portugal): constraints from mineral chemistry, fluid inclusions, sulfur and noble gases isotopes by Neiva, Ana M. R., Moura, António, Leal Gomes, Carlos A., Pereira, Manuel Francisco, Corfu, Fernando

“…The study area is located in the Central Iberian Zone, a major tectonic unit of the Iberian Massif (Variscan belt). In this region the basement is composed of…”
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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…”
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Seasonal contamination of surface waters close to an abandoned Sn-W mine, northeast Portugal by Lopes, Sérgio P., Silva, M. Manuela Vinha G., Gomes, Elsa M. C., Carvalho, Paula C. S., Neiva, Ana M. R.

“…The abandoned Ribeira mine consists of Sn-W quartz veins and is located in Trás-os-Montes, northeast Portugal. The mining activities took place on the northern…”
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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…”
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U–Th–Pb SHRIMP ages and oxygen isotope composition of zircon from two contrasting late Variscan granitoids, Nisa-Albuquerque batholith, SW Iberian Massif: Petrologic and regional implications by Solá, A. Rita, Williams, Ian S., Neiva, Ana M.R., Ribeiro, M. Luisa

“…The late Variscan Nisa-Albuquerque batholith in the SW Iberian Massif, consists of a dominant very coarse-grained porphyritic S-type monzogranite to…”
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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…”
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Spatial variability of soils and stream sediments and the remediation effects in a Portuguese uranium mine area by Neiva, Ana Margarida Ribeiro, de Carvalho, Paula Cristina Simões, Antunes, Isabel Margarida Horta Ribeiro, da Silva Cabral Pinto, Marina Marques, dos Santos, António Carlos Tavares, Cunha, Pedro P., Costa, Maria Mafalda

“…The old Senhora das Fontes uranium mine, located in central Portugal, was closed down in 1971. The treatment of ores from this mine and other mines by…”
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Long-lived magmatic systems and implications on the recognition of granite–pegmatite genetic relations: Characterization of the Pavia granitic pegmatites (Ossa-Morena Zone, Portugal) by Lima, Selma M., Neiva, Ana M.R., Ramos, João M.F., Cuesta, Andrés

“…It is generally accepted that pegmatites are derived from large masses of granite but, even in areas where complete mineralogical, chemical and isotopic…”
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Geochemical comparison of waters and stream sediments close to abandoned Sb-Au and As-Au mining areas, northern Portugal by Carvalho, Paula C.S., Neiva, Ana M.R., Silva, Maria M.V.G., da Silva, Eduardo A. Ferreira

“…Waters from abandoned Sb-Au mining areas have higher Sb (up to 2138μgL−1), As (up to 1252μgL−1) and lower Al, Zn, Li, Ni and Co concentrations than those of…”
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Spatial and temporal variability of surface water and groundwater before and after the remediation of a Portuguese uranium mine area by Neiva, Ana Margarida Ribeiro, Carvalho, Paula Cristina Simões de, Antunes, Isabel Margarida Horta Ribeiro, Santos, António Carlos Tavares dos, Cabral-Pinto, Marina Marques da Silva

“…The old Senhora das Fontes uranium mine, in central Portugal, consists of quartz veins which penetrated along fracture shear zones at the contact between…”
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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,…”
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Nomenclature of the Micas by Rieder, Milan, Cavazzini, Giancarlo, D'yakonov, Yurii S., Frank-Kamenetskii, Viktor A., Gottardi, Glauco, Guggenheim, Stephen, Koval’, Pavel W., Müller, Georg, Neiva, Ana M. R., Radoslovich, Edward W., Robert, Jean-Louis, Sassi, Francesco P., Takeda, Hiroshi, Weiss, Zdeněk, Wones, David R.

“…End members and species defined with permissible ranges of composition are presented for the true micas, the brittle micas and the interlayer-cation-deficient…”
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Replacement of soybean meal by babassu pie in balanced rations for broilers from one to 21 days of age by Silva, Mônica Calixto da, Siqueira, Jefferson Costa de, Vaz, Roberta Gomes Marçal Vieira, Rodrigues, Kênia Ferreira, Albino, Luiz Fernando Teixeira, Sousa, Luciano Fernandes, Neiva, Ana Cláudia Gomes Rodrigues, Fonseca, Flávia Luzia Rodrigues, Sousa, Joana Patrícia Lira de, Parente, Iberê Pereira, Campos, Carla Fonseca Alves, Silva, Ariane De Sousa Rodrigues

“…The objective of the present study was to evaluate the effect of substitution level of soybean meal by babassu pie on the performance and cost feed rations to…”
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Replacement of corn with babassu mesocarp flour in balanced rations for broilers in the period from 1 to 21 days by Fonseca, Flávia Luzia Rodrigues, Siqueira, Jefferson Costa de, Vaz, Roberta Gomes Marçal Vieira, Rodrigues, Kênia Ferreira, Silva, Gerson Fausto da, Neiva, Ana Cláudia Gomes Rodrigues, Silva, Mônica Calixto da, Sousa, Joana Patrícia Lira de, Parente, Iberê Pereira, Alves, Carla Fonseca, Luz, Rosiane Aires

“…The objective of this study was to evaluate the technical and economic feasibility of partial replacement of corn with babassu mesocarp flour in diets for…”
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Portuguese granites associated with Sn-W and Au mineralizations by Neiva, A.M.R.

“…In northern and central Portugal, there are different tin-bearing granites. Most of them are of S-type, others have mixed characteristics of I-type and S-type…”
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Feelings of nurses who work with cancer patients in terminal phase by Alencar, Delmo de Carvalho, de Carvalho, Antonia Taísa, de Macedo, Rejane Lopes, Amorim, Ana Maria Neiva Eulálio, Martins, Álissan Karine Lima, Gouveia, Marcia Teles de Oliveira

“…Objective: To identify the feelings of nurses who work with cancer patients in terminal phase. Methods: It is a qualitative research conducted with 10 nurses…”
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“Petites Folies” – Other Landscapes over Douro by Neiva, Ana, Viana, Marta, Gomes, João Nuno

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Venture Capital-backed us Ipo Firms and Financial Constraints by Neiva, Ana Paula Marques Macedo

“…Existe evidência na literatura de que empresas que são apoiadas por investidores de capital de risco têm vantagens, nomeadamente, menos problemas de assimetria…”
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Evolution of a Neoproterozoic suture in the Iberian Massif, Central Portugal: New U-Pb ages of igneous and metamorphic events at the contact between the Ossa Morena Zone and Central Iberian Zone by Henriques, S.B.A., Neiva, A.M.R., Ribeiro, M.L., Dunning, G.R., Tajčmanová, L.

“…A Neoproterozoic suture is exposed at the contact between the Ossa Morena Zone and the Central Iberian Zone, in the Iberian Massif (Central Portugal), the…”
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