 | | Journal (article/letter/editorial) | | Paraguay Belt in Brazil and its correlative in Bolivia, the Tucavaca Belt, which probably correspond to...orogeny were dated between 594 and 630 Ma (U-Pb titanite data and Rb-Sr isochrons in mylonites; Pimentel...Cuiab~i Group. Overlying this glaciogenic unit is the Araras Formation, a carbonatic sequence which marks the...deposition of these rocks. The two basal units (Puga and Araras formations) can be traced for long distances along...(1991). Methods: (1) = U-Pb zircon; (2) = U-Pb-titanite; (3) = whole-rock Rb--Sr isochron; (4) = whole-rock |  | | Journal (article/letter/editorial) | | chiefly zircon except where noted as m—monazite or t—titanite. Numbers refer to the data source as follows:...Puga Formation overlain by cap carbonates of the Araras Formation (or Group, Nogueira et al., 2007). Carbon...Fm. Acorizal Fm. Cuiabá Series Cuiabá Series Araras Fm. Guia Fm. Puga Fm. Alto Paraguai Gp. "Detrital...turbiditic unit Araras Fm. Raizama Fm. Neoproterozoic Alto Paraguai Gp. Precambrian Araras Gp. Jangada...Gp. Marzagao Fm. Raizama Fm. Diamantino Fm. Araras Corumba Gp. Sepotuba Fm. Cambrian Sepotuba Fm |  | ROSA, M, CONCEICAO, H, MACAMBIRA, M, GALARZA, M, CUNHA, M, MENEZES, R, MARINHO, M, FILHO, B, RIOS, D (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites. Lithos, 97 (1) 88-97 doi:10.1016/j.lithos.2006.12.011 | Journal (article/letter/editorial) | | the Itarantim batholith. U–Pb ages obtained for titanite from Itaju do Colônia (732 ± 8 Ma) and Rio Pardo...Province, Afganistan (Cook, 2004), Cerro Sapo, Bolivia (Schultz et al., 2004) and Swartbooisdrif, Namibia...contains the Itabuna, Floresta Azul, Serra das Araras and Itarantim batholiths, a large number of stocks...with the interstitial spaces filled by sodalite, titanite, microcline, aegirine and calcite (Fujimori, 1978;...after nepheline, and was followed by microcline, titanite, calcite and aegirine. Magnetite, ilmenite, sulphide |  | | Journal (article/letter/editorial) | | Puga Formation, (3) a carbonate succession in the Araras Group, and (4) an upper succession composed of...Formation Lithology Upper Alto Paraguay Carbonate Araras Diamantino Raizama Nobres Guia Mirassol d’Oeste...(Cuiabá Group and Puga Formation), carbonates (Araras Group), and epiclastic sedimentary rocks (Alto...flows and iceberg melting. The overlying carbonate Araras Group marks the end of glaciation. The 1300 m thick...carbonates of the Corumbá Group in the south and the Araras Group in the north. These groups occur in different |  | | Journal (article/letter/editorial) | | in bituminous limestones of the Neoproterozoic Araras Group (Amazon craton): Hydrocarbon maturation,...June 2006. [1] Neoproterozoic carbonates of the Araras Group exhibit two distinct magnetic components...in bituminous limestones of the Neoproterozoic Araras Group (Amazon craton): Hydrocarbon maturation,...Amazon craton, carbonates of the Neoproterozoic Araras Group exhibit two distinct magnetic components...succession [Trindade et al., 2003]. At the base of the Araras Group (Figure 1), just above diamictites of the |  | Conceicao, H., de Lourdes da Silva Rosa, M., Moura, C. A.V., Macambira, M. J. B., Galarza, M. A., Rios, D. C., Marinho, M. M., Menezes, R. C. L., Cunha, M. P. (2009) PETROLOGY OF THE NEOPROTEROZOIC ITARANTIM NEPHELINE SYENITE BATHOLITH, SAO FRANCISCO CRATON, BAHIA, BRAZIL. The Canadian Mineralogist, 47 (6) 1527-1550 doi:10.3749/canmin.47.6.1527 | Journal (article/letter/editorial) | | batholiths (e.g., Itabuna, Floresta Azul, Serra das Araras en Itarantim), a large number of stocks (e.g.,...minerals are opaque minerals, carbonate minerals, titanite, apatite and zircon. As in the SRQ facies, the...accessory mineral, and may reach 10 vol.%. The size of titanite and hematite crystals reaches 2 cm. Zircon crystals...between 500 km2 (Itabuna; Peixoto (2005) and 120 km2 (Araras; Rosa et al. 2005a), as well as a number of stocks...do Estado da Bahia, Maciço sienítico Serra das Araras: geologia, petrografia, idade e geoquímica. Rev |  | Misi, Aroldo, Kaufman, Alan J., Veizer, Jàn, Powis, Kelli, Azmy, Karem, Boggiani, Paulo Cesar, Gaucher, Claudio, Teixeira, João Batista G., Sanches, Andreia L., Iyer, Sundaram S.S. (2007) Chemostratigraphic correlation of Neoproterozoic successions in South America. Chemical Geology, 237 (1) 143-167 doi:10.1016/j.chemgeo.2006.06.019 | Journal (article/letter/editorial) | | Itapucumi, Tucuvaca, Jacadigo, Boqui, and Araras groups and Araras and Puga Formations and (3) the Rio de...is in the lowermost section of the Corumbá and Araras groups (de Alvarenga and Trompette, 1992). In South...occur in the Corumbá Group (Corumbá Basin), the Araras Group and the Arroyo del Soldado Group in Uruguay...Arroyo del Soldado (Lower Polanco Fm.), Cuiabá (Araras Gr.), Vazante, Bambuí and Una Groups. (d) Least...Schipilov, A., Mac Naughton, N.J., 2002. Zircon and titanite U–Pb SHRIMP geochronology of Neoproterozoic felsic |  | | Book | | Constraints 2.4.1. Glacially influenced sequence 2.4.2. Araras Group 2.4.3. Serra Azul Formation 2.4.4. Alto Paraguay...southern Paraguay Belt extends from Corumbá into Bolivia as a large syncline known as the Tucavaca Belt...40° 60° Paraná Basin Cuiabá Cáceres Brazil Bolivia Be lt 40° 8° No rth 80° 16°S Amazonian Craton...Puga hill Bo Serra da Bodoquena Pantanal basin Araras Group Corumbá Parecis and Paraná basin 60°W...post-glacial carbonate facies in the Corumbá and Araras groups (Boggiani et al., 2003; Nogueira et al. |  | | Journal (article/letter/editorial) | | 1986), making up the so-called “Paraguá Craton” in Bolivia, the tectonically stable region in relation with...obtained from the Pensamiento Granitoid Complex in Bolivia (Litherland and Power, 1989), and by the comparable...along the southern boundary of the Paraguá Craton (Bolivia), at the southwestern end of the Amazonian Craton...Ma Rincon del Tigre mafic–ultramafic complex in Bolivia (Litherland et al., 1986 — see Table 1). These...accepts the paleomagnetic results obtained on the Araras carbonates (Trindade et al., 2003) as indicating |  | | Journal (article/letter/editorial) | | as well as rare amounts of Kfeldspar, biotite, titanite and opaque minerals. These enclaves range in composition...amphibole core) with amphibole, plagioclase, epidote, titanite and opaque minerals, and these are interpreted...(in the northeast, 180 km2, 688 Ma), Serra das Araras Massif (in the southwest, 220 km2, 739 Ma), Rio...massifs. Massif Itabuna Floresta Azul Serra das Araras Rio Pardo Itarantim εNd(T) 1.2 to 1.5 -5.2 to...positive initial εNd (0.9 to 3.0), Floresta Azul and Araras have negative initial εNd (-2.7 to -6.0). Fig |  | | Journal (issue) | | of the deformed granitic rocks of the Serra das Araras Batholith (Sad & Barbosa, 1985). The second is...of the country rocks (Figure 1). The Serra das Araras Batholith has a NE-SW orientation and a steeply...(Ng); Serra dos Órgãos Suite - (Ng2s,); Serra das Araras Suite- (Ng3a); Cambrian Granites (εɣ5); Cretaceous...instability. Location - S22°46’W43°48’, in the Serra das Araras batholith. Figure 3. Maps with the resulted operations...Landslides of Rio de Janeiro and the Serra das Araras escarpment, Brazil. U.S.Geological Survey Professional |  | | Report (chapter) | | Jacadigo Group, and associated carbonates of the Araras and Corumbá groups, Paraguay Belt, Brazil. In:...Schipilov, A. & McNaughton, N. J. 2002. Zircon and Titanite U– Pb SHRIMP geochronology of Neoproterozoic felsic |  | Burnham, A.D., Bulanova, G.P., Smith, C.B., Whitehead, S.C., Kohn, S.C., Gobbo, L., Walter, M.J. (2016) Diamonds from the Machado River alluvial deposit, Rondônia, Brazil, derived from both lithospheric and sublithospheric mantle. Lithos, 265. 199-213 doi:10.1016/j.lithos.2016.05.022 | Journal (article/letter/editorial) | | others consist of larnite (Ca2SiO4) + CaSi2O5-titanite + CaSiO3 (Joswig et al., 1999). The phase diagram...kimberlites without extensive sedimentary reworking. The Araras kimberlites (Fig. 1b) just upstream of the Machado |  | | Report (volume) | | Jacadigo Group, and associated carbonates of the Araras and Corumbá groups, Paraguay Belt, Brazil 487... Argentina and Peru (Fig. 1.4, Table 1.4). The Araras Group in the northern Paraguay Belt, in particular...Cranford Ls Katakturuk Dolomite (K2) Noonday Dolomite Araras Fm Barakunskaya Fm Trezona anomaly d13Ccarb 87...paleoceanographic changes in the late Neoproterozoic Araras carbonate platform, southern Amazon craton, Brazil...Urucum District of southwestern Brazil and eastern Bolivia (see below) were tentatively assigned to the terminal |  | | Journal (article/letter/editorial) | | foliated porphyroclastic biotite syenogranite from the Araras area (Fig. 2) with preserved igneous texture, despite...constraints from SHRIMP and TIMS zircon, baddeleyite and titanite U–Pb geochronology. Precam. Res. 13, 73–109. Santos |  | | Book | | of these deposits, exposed in Brazil, Paraguay, Bolivia, Uruguay and Argentina. As a corollary, sedimentary...Boudzoumou et al. (2011) West Africa Amazonia Araras Group B (remag) AB 36 338 10 525 APWP Trindade...data for the Ediacaran-Cambrian is scarce. The Araras 1 The Assembly of Western Gondwana: Reconstruction...age of 613 Ma falls on top of the remagnetized Araras B pole, suggesting that either it is remagnetized... Table 4.1 Selection of published zircon and titanite U-Pb SHRIMP, U-Pb LA-ICPMS and U-Pb multigrain |  | | Journal (article/letter/editorial) | | delle Risorse, Università degli Studi di Napoli Federico II, L.go S. Marcellino 10, 80138 Napoli 1 Rare...formation in the subsurface of Rio Tinto SÁNCHEZ-ROMÁN, 1FERNÁNDEZ-REMOLAR D, PUENTE-SÁNCHEZ F, 1RODRIGUEZ...contents (< 0.08 %). The granites contain allanite, titanite and REE fluorocarbonates (e.g., synchysite), which...carbon isotope as a pCO2 proxy in the Ediacarian Araras platform, Brazil Magnetic susceptibility and ...carbonates from Mirassol d’Oeste section (Ediacarian Araras platform, Brazil), together with previous results |  | | Book | | de espessura) (Figueiredo et al. 2008). • Grupo Araras (dolomitos e calcários com intercalações de arenitos...borda do cráton em Mato Grosso (Alto Paraguai, Araras, Puga), do fim do Neoproterozoico. Bettencourt...coberturas (Tucuruí, Prosperança, Puga, Jacadigo, Araras, Corumbá). Também lascas de metassedimentos foram...e folhelhos carbonosos) (Boggiani 1997). Grupo Araras, com as formações da base para o topo: (1) Mirassol...braço norte do cinturão, é representada pelo Grupo Araras e, no sul, pelo Grupo Corumbá. Essas unidades assentam-se |  | | Book | | volcanics (now amphibolites), yields U–Pb zircon and titanite ages of 2780 +3/−2 Ma and 2774 ± 6 Ma respectively...age (TIMS, SHRIMP, ICPMS-LA, Pb evaporation), ti titanite age (ID-TIMS), N/A not reported are the Lagoa...belt (Fig. 5.2). Available U–Pb ages obtained in titanite and zircon grains indicate that the Alto Maranhão...obtained by Noce (1995) and Machado et al. (1992) in titanite crystals extracted from gneisses of the Belo Horizonte...of U–Pb age determinations were carried out on titanite and monazite grains collected in granitoids and |  | | Journal (article/letter/editorial) | | matter in 15m thick cap dolostones from Brazil (Araras Group), covering glacial deposits correlated to...pumpellyite and quartz. Accessory minerals are titanite, epidote, opaque minerals, zircon and apatite...analyses were performed on the garnet, chlorite, titanite and ilmenite. Garnet overgrowing on plagioclase...zircon recording 90 to 700 ka of zircon growth. UPb titanite dates, which record cooling of the rocks to c...information not possible from zircon. The mineral titanite is robust, with a fairly high closure temperature |  | Merdith, Andrew S., Collins, Alan S., Williams, Simon E., Pisarevsky, Sergei, Foden, John D., Archibald, Donnelly B., Blades, Morgan L., Alessio, Brandon L., Armistead, Sheree, Plavsa, Diana, Clark, Chris, Müller, R. Dietmar (2017) A full-plate global reconstruction of the Neoproterozoic. Gondwana Research, 50. 84-134 doi:10.1016/j.gr.2017.04.001 | Journal (article/letter/editorial) | | stratigraphy of Neoproterozoic cap carbonates in the Araras Group, Brazil. Gondwana Research, 13(4), 469-479...A., & McNaughton, N. J. CE 2002. Zircon and titanite U–Pb SHRIMP geochronology of Neoproterozoic felsic...geomorphologic evolution of Serrania Huanchaca, eastern Bolivia: the legendary “Lost World”. Journal of South American |  | | Journal (volume) | | following table: Proportions Biotite Hornblende Titanite Apatite Quartz Titaniferous Magnetite Feldspar...larger plates inclusions of are perfectly fresh. titanite, a border about ilmenite or titaniferous magnetite...inclose some biotite, some titanite, and abundant prisms of apatite. Titanite occurs abundantly in small... of titaniferous magnetite. even border of titanite, If This mineral is probably ilmenite or...through the central portion of the titanite aggregate. of these titanite in diameter. and or forms a core |  | | Journal (volume) | | Maas, R., and Gibson, R., 2001, Precise U-Pb titanite age constraints on the emplacement of the Bushveld... ± titanite ± magnetite ± sulfides and hematite-chlorite-quartz-albite-mica-carbonate ± titanite ± magnetite...sulfide, THem = tabular hematite, Tlc = talc, Ttn = titanite 0361-0128/98/000/000-00 $6.00 110 HYPOGENE...sulfide, THem = tabular hematite, Tlc = talc, Ttn = titanite, Zrn = zircon 0361-0128/98/000/000-00 $6.00 ...chlorite-hematite-quartz-albite-mica-carbonate ± titanite ± magnetite ± sulfides assemblage, whereas the |
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