Search Results - "Pereira, Vitor P."

The Radioactive Rare Metal Mineralization in the World-Class Sn-Nb-Ta-U-Th-REE-Deposit Madeira (Pitinga, Amazonas State, Brazil): With Special Reference to the Complex Alteration of Pyrochlore-Group Minerals by Ingrid W. Hadlich, Artur C. Bastos Neto, Vitor P. Pereira, Harald G. Dill, Nilson F. Botelho

“…This study focuses on the relationship between U and pyrochlore in the world-class Sn-Nb-Ta (U, Th, REE, Li) Madeira deposit within the Pitinga mining district…”
Get full text

Ralstonite renamed hydrokenoralstonite, coulsellite renamed fluornatrocoulsellite, and their incorporation into the pyrochlore supergroup by Atencio, Daniel, Andrade, Marcelo B, Bastos Neto, Artur C, Pereira, Vitor P

“…Ralstonite is renamed hydrokenoralstonite, ideally ∎2Al2F6(H2O). "Atroarite" and the "AHF" phase (hydrated aluminum hydroxy-fluoride, a "ralstonite-like…”
Get full text

Morphological importance of coronary ostia in equine by Pereira, Vitor P., Seyfert, Carlos E., Santos, João M. L., Morais‐Pinto, Luciano

“…The position of the coronary ostia was investigated in 70 segments of the aorta from young adult crossbred horses. After fixation with a 4% buffered aqueous…”
Get full text

The world-class Sn, Nb, Ta, F (Y, REE, Li) deposit and the massive cryolite associated with the albite-enriched facies of the Madeira A-type granite, Pitinga mining district, Amazonas State, Brazil by Bastos Neto, Artur C, Pereira, Vitor P, Ronchi, Luiz H, de Lima, Evandro F, Frantz, José C

“…The Madeira deposit, in the Pitinga mining district, Amazonas State, Brazil, is associated with the A-type Madeira granite (∼1820 Ma), which is hosted by…”
Get full text

Fluorine-rich xenotime from the world-class Madeira Nb-Ta-Sn deposit associated with the albite-enriched granite at Pitinga, Amazonia, Brazil by Bastos Neto, Artur C, Pereira, Vitor P, Pires, Amanda C, Barbanson, Luc, Chauvet, Alain

“…The Madeira deposit (Sn, Nb, Ta) at Pitinga, Amazonia, in Brazil, is associated with the albite-enriched facies of the A-type Madeira granite (approximately…”
Get full text

Anisotropic self-organization of hybrid silica based xerogels containing bridged positively charged 1,4-diazoniabicycle[2.2.2]octane chloride group by Arenas, Leliz T., Pinheiro, Adriana C., Ferreira, Juliana D., Livotto, Paolo R., Pereira, Vitor P., Gallas, Márcia R., Gushikem, Yoshitaka, Costa, Tania M.H., Benvenutti, Edilson V.

“…Anisotropic self-organized hybrid silica based xerogels were obtained. The ordered structure was imposed by the double charged 1,4-diazoniabicycle[2.2.2]octane…”
Get full text

Randomized trial of a photography‐aided behavioural intervention to reduce risk factors for caries and malocclusion in high‐risk infants by Pereira, Marina B. B., Pereira, Vinícius B. P., Pereira, Vitor B. P., Pereira, Vanessa G. F., Paula, Viviane M. B., Caetano, Aline P. F., Amaral, Waldemar N.

“…Objective To assess the efficacy of a photography‐aided behavioural intervention in reducing risk factors for dental caries and malocclusion in high‐risk…”
Get full text

Late sodic metasomatism evidences in bimodal volcanic rocks of the Acampamento Velho Alloformation, Neoproterozoic III, southern Brazil by Almeida, Delia Del Pilar M. de, Pereira, Vitor P., Machado, Adriane, Zerfass, Henrique, Freitas, Ricardo

“…A mineralogical study was carried out in mafic and felsic volcanic rocks of the Acampamento Velho Alloformation at Cerro do Bugio, Perau and Serra de Santa…”
Get full text

Mineralogy and geochemistry of the Morro dos Seis Lagos siderite carbonatite, Amazonas, Brazil by Giovannini, Arthur L., Mitchell, Roger H., Bastos Neto, Artur C., Moura, Candido A.V., Pereira, Vitor P., Porto, Claudio G.

“…The Morro dos Seis Lagos niobium rare earth element, Ti-bearing lateritic deposit (Amazonas, Brazil) is derived from a primary siderite carbonatite. The…”
Get full text

Geochemical study on fossil vertebrates from some specific Permian and Triassic beds of the Paraná Basin (Brazil): A preliminary approach by Corecco, Leonardo, Pereira, Vitor P., Soares, Marina B., Schultz, Cesar L.

“…Access to the geochemical conditions of paleoenvironments is made through the analysis of the chemical composition of the hydroxyapatite of fossil bones. This…”
Get full text

U-Pb zircon geochronologycal investigation on the Morro dos Seis Lagos Carbonatite Complex and associated Nb deposit (Amazonas, Brazil) by Rossoni, Marco B., Bastos Neto, Artur C., Souza, Valmir S., Marques, Juliana C., Dantas, Elton, Botelho, Nilson F., Giovannini, Arthur L., Pereira, Vitor P.

“…We present results of U-Pb dating (by MC-ICP-MS) of zircons from samples that cover all of the known lithotypes in the Seis Lagos Carbonatite Complex and…”
Get full text

Invertebrate traces in pseudo–coprolites from the upper Cretaceous Marília Formation (Bauru Group), Minas Gerais State, Brazil by Francischini, Heitor, Paes Neto, Voltaire D., Martinelli, Agustín G., Pereira, Vitor P., Marinho, Thiago S., Teixeira, Vicente P.A., Ferraz, Mara L.F., Soares, Marina B., Schultz, Cesar L.

“…Pseudo–coprolites are inorganic structures often confused with fossil faeces. The absence of some diagnostic features, such as inclusions, coprofabrics, grain…”
Get full text