| Gomes, Celso de Barros, Comin-Chiaramonti, Piero, Azzone, Rogério Guitarrari, Ruberti, Excelso, Rojas, Gaston Eduardo Enrich (2018) Cretaceous carbonatites of the southeastern Brazilian Platform: a review. Brazilian Journal of Geology, 48 (2) 317-345 doi:10.1590/2317-4889201820170123 | Journal (article/letter/editorial) | Universidade de São Paulo – USP, São Paulo (SP), Brazil. E-mails: cgomes@usp.br, rgazzone@usp.br, exrubert@usp...carbonatite occurrences of different regions of Brazil, Paraguay and Bolivia. Locality Occurrence Petrography...Petrography Mineralogy Age References BRAZIL Ribeira Valley 1 Barra do Itapirapuã Dike, vein, breccia...Poços de Caldas Dike, breccia Si-ca, ocelli in lamprophyre NS, Ti, Pho, L, La, Lp, Cc, Pr, Phl Upper Cretaceous..., Flo, Op (Hm, Il), Ch n.d. 75, 76 15 Araxá (Barreiro) Stock, dike Mg-ca, Ca-ca, Fe-ca Gl, Py, | | | Journal (article/letter/editorial) | Weathered crusts overlying carbonatite complexes in Brazil and one hard rock carbonatite deposit in Canada...currently Mibra Mine, Volta Grande (Brazil), the Pitinga Mine (Brazil) and Marropinno (Mozambique). The...Papp (2009a, 2011a, 2013a) 1200 1000 Australia Brazil Canada 800 Rwanda Mozambique 600 Other World...Russia and India. Production comes primarily from Brazil. Production from Canada and other 500 400 300...and Papp (2009a, 2011b, 2013b) 70000 60000 50000 Brazil 40000 Canada 30000 Other World Total 20000 | | | Journal (article/letter/editorial) | there are only three operating Nbmines [Araxá and Catalão-II (Brazil) and St. Honoré (Canada)]. All produce...the primary sources. The Brazilian deposits at Araxá, Catalão-I and II, and Seis Lagos are examples of...Pekov, 2000) in the lujavrites of the Lovozero complex from which a concentrate with about 8 wt.% Nb2O5...Nb, due to the penchant for the element to form complex anions (NbO34 −; NbO76 −; Nb2O26 −) which cannot...Nb minerals whose structure is based upon these complex ions. Typically, basaltic rocks contain less than | | | Journal (article/letter/editorial) | ALKALINE MAFIC-ULTRAMAFIC MASSIF, SOUTHEASTERN BRAZIL: INDICATION OF AN ENRICHED MANTLE SOURCE Rogério...Paulo, Rua do Lago, 562 - 05508-080 São Paulo, Brazil Abstract Zirconium- and Ba-rich minerals are found...alkaline mafic-ultramafic massif in southeastern Brazil. The unusual mineralogical assemblage includes...biotite, mantle enrichment, Ponte Nova alkaline complex, Brazil. Sommaire Nous documentons les attributs des...mafic-ultramafic massif (22°47’ S, 45°45’ W), in southeastern Brazil, displays zirconolite, baddeleyite and Ba-rich | | Melluso, L., Lustrino, M., Ruberti, E., Brotzu, P., de Barros Gomes, C., Morbidelli, L., Morra, V., Svisero, D. P., d'Amelio, F. (2008) MAJOR- AND TRACE-ELEMENT COMPOSITION OF OLIVINE, PEROVSKITE, CLINOPYROXENE, Cr-Fe-Ti OXIDES, PHLOGOPITE AND HOST KAMAFUGITES AND KIMBERLITES, ALTO PARANAIBA, BRAZIL. The Canadian Mineralogist, 46 (1) 19-40 doi:10.3749/canmin.46.1.19 | Journal (article/letter/editorial) | HOST KAMAFUGITES AND KIMBERLITES, ALTO PARANAÍBA, BRAZIL Leone MELLUSO§ Dipartimento di Scienze della Terra...Universidade de São Paulo, Rua do Lago, São Paulo, SP, Brazil Pietro BROTZU Dipartimento di Scienze della Terra...Universidade de São Paulo, Rua do Lago, São Paulo, SP, Brazil Lucio MORBIDELLI Dipartimento di Scienze della...Universidade de São Paulo, Rua do Lago, São Paulo, SP, Brazil Fosco d’AMELIO Dipartimento di Scienze della Terra...Cretaceous Alto Paranaíba igneous province, in Brazil, and their main minerals, olivine, clinopyroxene | | Hurai, Vratislav, Huraiová, Monika, Gajdošová, Michaela, Konečný, Patrik, Slobodník, Marek, Siegfried, Pete R. (2018) Compositional variations of zirconolite from the Evate apatite deposit (Mozambique) as an indicator of magmatic-hydrothermal conditions during post-orogenic collapse of Gondwana. Mineralogy and Petrology, 112 (3) 279-296 doi:10.1007/s00710-017-0538-7 | Journal (article/letter/editorial) | chemical composition of zirconolites reflects the complex history of the Evate deposit. Compositional and...2000), lamproite (Carlier and Lorand 2003), lamprophyre (Carlier and Lorand 2008), kimberlite (Raber...1980); Jacupiranga, Brazil (Bellatreccia et al. 1999); Araxá, Minas Gerais, Brazil (Mariano 1993 in Williams...Island, Malawi (Platt et al. 1987); Itatiaia, Brazil (Melusso et al. 2017); Laacher See, Germany (Della...Vestfold Hills, Antarctica (Harley et al. 1994); Kimi complex, Greece (Proyer et al. 2014); Styria, Eastern Alps | | Smith, M.P., Moore, K., Kavecsánszki, D., Finch, A.A., Kynicky, J., Wall, F. (2016) From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements. Geoscience Frontiers, 7 (3) 315-334 doi:10.1016/j.gsf.2015.12.006 | Journal (article/letter/editorial) | the primary igneous source, but the grade is a complex function of igneous source, magmatic crystallisation...molal Na2O+K2O/Al2O3>1.2, and the formation of complex Zr and Ti minerals such as eudialyte – such rocks...host marble. The geochronology of the ores is complex, with periods defined from 1230– 1350 Ma (largely...2015). SC Bear Lodge– The Bear Lodge Carbonatite complex is not currently mined, but hosts potentially economic...by Moore et al. (2015). The Bear Lodge Alkaline Complex is part of the Black Hills Intrusive Belt, South | | Sharygin, Victor V., Doroshkevich, Anna G., Seryotkin, Yurii V., Karmanov, Nikolai S., Belogub, Elena V., Moroz, Tatyana N., Nigmatulina, Elena N., Yelisseyev, Alexander P., Vedenyapin, Vitalii N., Kupriyanov, Igor N. (2020) Rippite, K2(Nb,Ti)2(Si4O12)O(O,F), a New K-Nb-Cyclosilicate from Chuktukon Carbonatite Massif, Chadobets Upland, Krasnoyarsk Territory, Russia. Minerals, 10 (12) 1102 doi:10.3390/min10121102 | Journal (article/letter/editorial) | for the Chuktukon Massif The Chadobets alkaline complex is located within the Chadobets upland (basin of...The Chadobets alkaline ultramafic carbonatite complex is conventionally subdivided into the Chuktukon...comparison, the Ilbokich aillikite–damtjernite lamprophyre series, which is located nearby the Chadobets...the Chadobets alkaline ultramafic carbonatite complex was described by Kirichenko et al. [36]. The sequence...single rippite crystals show green colour and very complex history during their growth (Figure 8). However | | Carniel, Larissa Colombo, Conceição, Rommulo Vieira, Klemme, Stephan, Berndt, Jasper, Jalowitzki, Tiago (2020) Origin and redox conditions of the Rosário-6 alnöite of southern Brazil: Implications for the state of the mantle during Gondwana breakup. Lithos, 376. 105751pp. doi:10.1016/j.lithos.2020.105751 | Journal (article/letter/editorial) | conditions of the Rosário-6 alnöite of southern Brazil: Implications for the state of the mantle during...Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil Programa de Pós-Graduação em Geociências (PPGGEO)...Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil Institut für Mineralogie, Westfälische Wilhelms-Universität...de Geociências, Universidade de Brasília (UnB), Brazil b c a r t i c l e i n f o Article history: Received...south-eastern edge of the Paraná Basin, in the South of Brazil, and erupted concomitant or just after the volcanism | | | Report (issue) | PLURINATIONAL STATE OF BOSNIA AND HERZEGOVINA BOTSWANA BRAZIL BRUNEI DARUSSALAM BULGARIA BURKINA FASO BURUNDI....................................... 38 6.4.3. Brazil..................................................solubility of thorium reaches 100 ppm as a sulphate complex (e.g. in Italy thorium was deposited in acid hot...comparatively simple composition, other minerals are complex in their mineralogical formula and are not repeated...Cu, Fe, Zr, Ti, U and others. Examples: Araxa in Brazil, Bayan Obo in China, Fen in Norway, Sokli in Finland | | | Report (issue) | rare-earth elements, and antimony in China; niobium in Brazil; and platinum-group elements in South Africa and...solubility of fluorite as a function of temperature for complex Na-Ca-Mg-Cl brines from ambient temperatures to...subsurface geology of the Saint-Honoré carbonatite complex in southern Quebec, Canada, and a schematic north-south...chart showing niobium resources and reserves in Brazil, Canada, and the United States...................showing the Rustenburg Layered Suite of the Bushveld Complex, South Africa, the surface trace of significant |
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