 | Baggio, Sérgio Benjamin, Hartmann, Léo Afraneo, Lazarov, Marina, Massonne, Hans-Joachim, Opitz, Joachim, Theye, Thomas, Viefhaus, Tillmann (2018) Origin of native copper in the Paraná volcanic province, Brazil, integrating Cu stable isotopes in a multi-analytical approach. Mineralium Deposita, 53 (3) 417-434 doi:10.1007/s00126-017-0748-2 | Journal (article/letter/editorial) | | native copper in the Paraná volcanic province, Brazil, integrating Cu stable isotopes in a multi-analytical...varies from −0.9‰ in the southeastern portion (Rio Grande do Sul state) to 1.9‰ in the central portion (Paraná...Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil 2 Leibniz Universität...al. 2009) in southeastern South America, mainly Brazil but including portions of Uruguay, Argentina, and...al. 1988) and in the Etendeka (Peate 1997). In Brazil, PVP rocks belong to the Serra Geral Group (Wildner |  | | Journal (article/letter/editorial) | | enrichment in the Vista Alegre district, Paraná basaltic province, southernmost Brazil a a Viter Magalhães...Universidade Federal do Rio Grande do Sul , Porto Alegre, Brazil b CPRM – Geological Survey of Brazil , Porto Alegre...Alegre, Brazil Published online: 12 Feb 2010. To cite this article: Viter Magalhães Pinto , Léo Afraneo...enrichment in the Vista Alegre district, Paraná basaltic province, southernmost Brazil, International Geology...enrichment in the Vista Alegre district, Paraná basaltic province, southernmost Brazil 1938-2839 Geology |  | | Journal (article/letter/editorial) | | confirmation of the Vista Alegre impact structure in the Paraná flood basalts of southern Brazil Alvaro P. CRÓSTA1...Calógeras 51, Cx. Postal 6152, 13083-870 Campinas SP, Brazil 2 Department of Lithospheric Research, University...revision accepted 14 November 2009) Abstract–The Vista Alegre structure, centered at 2557¢S and 5241¢W,...structure is located in the Paraná state of southern Brazil, within the Paraná Basin, which contains one of...with some minor rhyodacites. Morphologically, Vista Alegre has a prominent circular outline, in the form |  | | Report (volume) | | Formation......_-_-----__________-----.-_____ Vista Alegre Formation....__-___--_-_________.__-__._.__...to the southern half; the Rio Toro Negro and Rio Cialitos join the Rio Grande de Manati east of the quadrangle...quadrangle, and the Rio Yunes and the Rio Limon coalesce and flow west to the Rio Grande de Arecibo. The...show gentle warping. RIO OROCOVTS FORMATION The Avispa Lava Member of the Rio Orocovis Formation of...formation is exposed in the quadangle. The lava of the Rio Orocovis is greenish gray and is characterized by |  | Pinto, Viter Magalhães, Massonne, Hans-Joachim, Wildner, Wilson, Hartmann, Léo Afraneo, Debruyne, David, Theye, Thomas (2019) Chemistry of chromium spinel in high-Mg rocks from the Morungava Intrusion, Cretaceous Paraná Igneous Province, southernmost Brazil. Mineralogy and Petrology, 113 (6) 765-782 doi:10.1007/s00710-019-00677-9 | Journal (article/letter/editorial) | | Cretaceous Paraná Igneous Province, southernmost Brazil Viter Magalhães Pinto 1,2 & Hans-Joachim Massonne...96010-440, Brazil 2 Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Bento Gonçalves...Gonçalves 9500, Porto Alegre, RS CEP 90501-970, Brazil 3 Institut für Mineralogie und Kristallchemie,...Serviço Geológico do Brasil, Banco da Província 105, 90840-030 Porto Alegre, Brazil V. M. Pinto et al...1992). The Morungava intrusion in southernmost Brazil intruded into a similar setting, constituting a |  | | Journal (article/letter/editorial) | | granitic rocks of the Araguainha impact crater, Brazil Dailto SILVA1, Cristiano LANA2, and Carlos Roberto...Postal 6152 Campinas, cep 13083-970, Sao Paulo, Brazil 2 Department of Geology (DEGEO), Federal University...(UFOP), Ouro Preto, cep 35400-00, Minas Gerais, Brazil * Corresponding author. E-mail: beto@ige.unicamp...Araguainha impact crater (Goi as/Mato Grosso States, Brazil) indicate the existence of several molten products...and hydrocarbons (e.g., Reimold et al. 2005). In Brazil there are several impact structures, all in Phanerozoic |  | | Book | | Geosciences Institute University of São Paulo São Paulo Brazil Pedro Oyhantçabal Departamento de Geodinámica Interna...recognized similarities in the ‘old granites’ of Brazil and southern Africa. On the other hand, du Toit...‘Brazilian system’ defined by Alcide d’Orbigny in Brazil (Beaumont 1844), arguably corresponding to the...geochronological data of the Precambrian basement of southern Brazil, Uruguay and Argentina were reported by Hart (1966)...and geochemical data of the Nico Pérez Terrane in Brazil and Uruguay in order to constrain its regional |  | Poitrasson, Franck, Cruz Vieira, Lucieth, Seyler, Patrick, Márcia dos Santos Pinheiro, Giana, Santos Mulholland, Daniel, Bonnet, Marie-Paule, Martinez, Jean-Michel, Alcantara Lima, Barbara, Resende Boaventura, Geraldo, Chmeleff, Jérôme, Dantas, Elton Luiz, Guyot, Jean-Loup, Mancini, Luiz, Martins Pimentel, Marcio, Ventura Santos, Roberto, Sondag, Francis, Vauchel, Philippe (2014) Iron isotope composition of the bulk waters and sediments from the Amazon River Basin. Chemical Geology, 377. 1-11 doi:10.1016/j.chemgeo.2014.03.019 | Journal (article/letter/editorial) | | Brasília, Campus Darcy Ribeiro, 70910-900, Brasília, Brazil a r t i c l e i n f o Article history: Received...study on this topic suggests that filtration processes do not appear to produce a significant isotopic shift...renamed Solimões River at the border between Peru and Brazil, where its water discharge already equates that...the Atlantic Ocean. The river is named Amazon in Brazil only from the confluence between the Negro River...Canada Ucayali Requena Solimoes Tabatinga Purus Foz do Purus Solimoes Manacapuru W73.1695 W73.4243 S3 |  | | Journal (article/letter/editorial) | | CRATER, BRAZIL A. A. Abraham, J. M. Flexor, and S. L. Fontes. Observatório Nacional/MCT, Brazil. E-mail:...the southwestern region of the Parnaiba Basin, Brazil, is presented. This signature was established by...Universidade Federal de Santa Catarina, 88040–900, Brazil. E-mail: marcelo_qmc@yahoo.com.br Introduction:...Acadêmico Hélio Ramos, s/n, Cid. Univ. 50740–530, Brazil. E-mail: barboant@hotmail.com. 2DGEO-UFPE, Av....Acadêmico Hélio Ramos, s/n, Cid. Univ. 50740–530, Brazil. E-mail: neumann@ufpe.br WHAT DOES THE CM CHONDRITE |  | Lantz, C., Poulet, F., Loizeau, D., Riu, L., Pilorget, C., Carter, J., Dypvik, H., Rull, F., Werner, S.C. (2020) Planetary Terrestrial Analogues Library project: 1. characterization of samples by near-infrared point spectrometer. Planetary and Space Science, 189. 104989pp. doi:10.1016/j.pss.2020.104989 | Journal (article/letter/editorial) | | WH16-005, -014 (sue- 3.2 vite) impact breccias Brazil VA16-001, VO16-002 (polymict breccia); VO16-001...(clay sulfates); -503 3.4 (pyrite and sulfates?) Rio Tinto Oslo Rift Norway BR16-001, -002, UL16-001...basaltic formations Sample VA16-001 was collected at Vista Allegre [Crosta et al., 2010] while samples VO16001...Figure 3. NIR spectra of impact breccia (from two Brazil sites). The inset plot shows the continuum corrected...shallow rounded band at 2.5 3.4. Jaroso Ravine and Rio Tinto samples These samples from Spain were collected |  | | Journal (article/letter/editorial) | | forsterite and accessory titaniferous magnetite, ilmenite and apatite as well as their alteration products...few accessory minerals including Ti-magentite, ilmenite, and apatite. These primary minerals are associated...minerals including Ti-magnetite (ulvospinel), ilmenite, and apatite, as well as volcanic glass. Based...Martitization ranges from partial to pervasive (Fig. 4m). Ilmenite also occurs as 8 scattered tiny accessory mineral...also occurs in the Paraná volcanic province of Brazil (Pinto et al., 2011; Arena et al., 2014; Baggio |  | Feybesse, J.L., Johan, V., Triboulet, C., Guerrot, C., Mayaga-Mikolo, F., Bouchot, V., Eko N'dong, J. (1998) The West Central African belt: a model of 2.5–2.0Ga accretion and two-phase orogenic evolution. Precambrian Research, 87 (3) 161-216 doi:10.1016/s0301-9268(97)00053-3 | Journal (article/letter/editorial) | | and Luiza basins (Archean Congo block); Rio ˜ Itapicuru and Rio Jacare greenstone belts (Archean Sao Francisco...kind is described for the Transamazonian belt of Brazil ( Figueirido, 1989; Barbosa, 1990; Teixeira and...oro˜ genic domains of the Sao Francisco craton of Brazil are discussed. 2. Geological Setting of the WCAB...located to the west, between the ˜ Rio Pardo belt (Sao Francisco craton, Brazil ) and the West Congo belt (Miller...blocks during formation of the thrust faults: 9, Rio Muni–Ntem block-high-grade (MP granulite) Archean |  | Pittarello, Lidia, Schulz, Toni, Koeberl, Christian, Hoffmann, J. Elis, Münker, Carsten (2013) Petrography, geochemistry, and Hf-Nd isotope evolution of drill core samples and target rocks from the El'gygytgyn impact crater, NE Chukotka, Arctic Russia. Meteoritics & Planetary Science, 48 (7) 1160-1198 doi:10.1111/maps.12088 | Journal (article/letter/editorial) | | suevitic dyke, the volcanic rocks in the drill core do not show any evidence of significant shock deformation...section in the drill core and from the target rocks) do not. The pattern defined by felsic lithologies roughly...in basalts (e.g., Lonar, Kieffer et al. 1976; Vista Alegre, Crosta et al. 2010; Varge~ao, Crosta et al...peculiar features, never described before. The PDFs do not always develop evenly across the grain, but may...processes involving Ti-bearing phases, such as ilmenite, rutile, or sphene. However, this possibility |  | | Book | | Deviations 371 Bolivia, 377 332 Proportions Brazil, 378 Angles of Faceted Bulgaria, 399 333 Burma...Janeiro, Brazil; Geological ton, VA; seum, Marie and Germany; NY; Prof. Sklar, Oceanside, Rio Santa...date of 1000 of Brazil. by the aborigines 40 Kunz inch (25 Indians of Brazil. these minerals In...pre-Columbian sites of Code, grave tematically of Brazil. labret made from a Colombian emeralds countries...been particular protector.” diadocos have to do with its last any given. C. W. mainly in India |  | Cobbing, E. J., Pitcher, W. S., Wilson, J. J., Baldock, J. W., Taylor, W. P., McCourt, W., Snelling, N. J. (1981) The Geology of the Western Cordillera of northern Peru. Overseas Memoir 5. Institute of Geological Sciences | Report (issue) | | c. - L.cF\ �- 0C\t:;24-0(\ COLOMBIA ECUADOR BRAZIL ,. • 1/f ., ... ... - - II ... - •...of the San tvl iguel tectonic elements 22 pluton, Rio Iluaura, showing rectilinear nature of 19 Schematic...relationship to volcanicity, sedimentation and around the Rio Fortaleza centre 70 deformation 2 4 21 Diagrammatic...of rocks belonging to Pulse I and Pulse 2 of the Rio Huaura area 106 69 Three-component diagram showing...rocks of the Santa Rosa Super-unit from the Rio Huaura and Rio Nepena I0 6 70 CaO and Y contents of rocks |  | | Report (volume) | | Cordillera Central. Overlies Cotorro Tuff except east of Rio Toro Negro, where it overlies Malo Breccia. Grades...about 1,275 feet in Pecos area; about 4,000 feet in Rio Pueblo area. Contact with underlying La Pasada, well...sandstone and conglomerate in lower part of Alamitos. In Rio Pueblo area, Alamitos retains over-all character...those of Alamitos. The 4,000 feet of Alamitos in Rio Pueblo area is believed to be equivalent only to...continuously from near Dawson Creek southward to the Rio Grande, Brewster County. Alamo Range Formation Miocene: |  | | Journal (article/letter/editorial) | | materials (e.g., chondrites, eucrites, moon and Earth) do not vary outside of the analytical uncertainty and...(Australia), a lunar whole rock sample (15555) and ilmenite separated from 70035. All measured ε(96Zr/90Zr)...low- and high-Ca pyroxenes, plagioclase, silica, ilmenite, chromite, and glass. Compositions of pyroxenes...(K-Ba feldspar, with sometimes up to 10 wt% BaO), ilmenite, merrillite, apatite, zircon, baddeleyite, and...4.9, TiO2 1.8, MgO 2.8, ZnO 0.4; all wt%) and ilmenite (MgO 4.0 wt%, MnO 1.6 wt%). Fe,Ni metal shows |  | | Journal (article/letter/editorial) | | Similarly, the FTIR spectra of the three olivines do not show any differences except the composition dependence...all. About some of them reasonable doubts exist. Brazil leading the record containing almost half detected...between 0.13 and 0.78 Ma. Other possible craters are Rio Cuarto (S 3252¢, W 6414¢), Islas Malvinas (S 5100¢...sandstones of the Sao Bento Group of Paraná Basin. Vista Alegre (S 2557¢, W 5241¢). It is a 9.5 km-wide circular...craters are Gilbues (S 1010¢, W 4514¢), Sao Miguel do Tapuio (S 538¢, W 4124¢), Cerro Jarau (S 3012¢ |  | | Book | | Whereas all cannot be mentioned here individually, we do wish to point out a few. Victor Latorre, Director...the N-S belt of Belen-Sierra de Moreno-Limon Verde-Rio Tninsito. This·system could correspond to remnants...rocas igneas y metam6rficas de las Sierras Chica y Grande de Cordova, Rep. Argentina. 11 Congr. lbero-Am...Coastal Cordillera. The Precambrian metamorphic rocks do not include economically important ore deposits....and E. Cedillo eo· C uADOR COLOMBIA s• 5" BRAZIL - - - 10" 10" ~-- I CD .a. FE: C& cc 1s•l-- |  | | Book | | except where (as with bar in atmospheric contexts) to do so would obscure rather than clarify the sense....system and that, contrary to some opinions, planets do not simply get in the way of real astronomy. CVF...Short-term, irregular changes, such as solar flares, do not yet lend themselves to geological investigation...which as we saw is modulated by solar activity. The Rio Negro meteorite, which fell in Argentina in 1934...Chapter 7) obscure this connection. However, magmas do occasionally bring up lumps of rock from their source |
|
