 | Gomes, Celso de Barros, Azzone, Rogério Guitarrari, Rojas, Gaston Eduardo Enrich, Guarino, Vincenza, Ruberti, Excelso (2021) Agpaitic Alkaline Rocks in Southern Brazilian Platform: A Review. Minerals, 11 (9) 934 doi:10.3390/min11090934 | Journal (article/letter/editorial) | | University of São Paulo, São Paulo 05508-080, Brazil; rgazzone@usp.br (R.G.A.); gastonenrich@usp.br...occurrences located in southern Brazil and at the border between Brazil and Paraguay. All the Brazilian...phonolite dike main to late-magmatic [27,28] 8 Lages 76–82 Ma (Rb-Sr, K-Ar) phonolite sill late-magmatic...syenite rich in eudialyte, arfvedsonite and/or aegirine with a laminated structure), khibinites (a variety...variety of eudialyte–nepheline syenite with aegirine, alkali amphibole and many accessory minerals, particularly |  | | Journal (article/letter/editorial) | | IN BAUXITE DERIVED FROM PHONOLITE, LAGES, SANTA CATARINA, BRAZIL NORBERTO DANI1, MILTON LUIZ LAQUINTINIE...CEP 91501-970, Caixa Postal 15001, Porto Alegre, Brazil 2 Hydrasa UMR 6532 CNRS, University of Poitiers...Poitiers Cedex, France Abstract-Nordstrandite from Lages represents the first occurrence of this mineral...first reported occurrence in Brazil. Nordstrandite occurs near the city of Lages only in the weathered bedrock...describes the first occurrence of nordstrandite in Brazil. The occurrence is related to group I but is slightly |  | Gibson, S. A., Thompson, R. N., Leonardos, O. H., Dickin, A. P., Mitchell, J. G. (1999) The limited extent of plume-lithosphere interactions during continental flood-basalt genesis: geochemical evidence from Cretaceous magmatism in southern Brazil. Contributions to Mineralogy and Petrology, 137 (1) 147-169 doi:10.1007/s004100050588 | Journal (article/letter/editorial) | | evidence from Cretaceous magmatism in southern Brazil Received: 1 June 1998 / Accepted: 29 March 1999...phenomenon. During the Cretaceous, however, southern Brazil experienced two phases of ma®c magmatism. These...Luis-Alves craton and intrude the ¯ood-basalts at Lages. On the basis of variations in incompatible trace-element...Geociencias, Universidade de Brasilia, 70910 Brasilia DF, Brazil A.P. Dickin Department of Geology, McMaster University...Late-Cretaceous melting of the SCLM beneath southern Brazil may have been caused by heat conduction from either: |  | Guarino, Vincenza, Azzone, Rogério Guitarrari, Brotzu, Pietro, de Barros Gomes, Celso, Melluso, Leone, Morbidelli, Lucio, Ruberti, Excelso, Tassinari, Colombo Celso Gaeta, Brilli, Mauro (2012) Magmatism and fenitization in the Cretaceous potassium-alkaline-carbonatitic complex of Ipanema São Paulo State, Brazil. Mineralogy and Petrology, 104 (1) 43-61 doi:10.1007/s00710-011-0168-4 | Journal (article/letter/editorial) | | rbonatitic complex of Ipanema São Paulo State, Brazil Vincenza Guarino & Rogério Guitarrari Azzone &...562, Cidade Universitária, 05508-080 São Paulo, Brazil L. Morbidelli Dipartimento di Scienze della Terra...for other carbonatite complexes from southeastern Brazil. The chemical differences between the lamprophyre...Mesozoic to Cenozoic alkaline magmatism in southern Brazil crops out in the central-southeastern areas of...plunges towards the inner Paraná Basin in southern Brazil (Fig. 1a). The Ponta Grossa Arch is also characterized |  | | Journal (article/letter/editorial) | | [University of Bristol] at 06:14 02 December 2014 Santa Barbara County; colorless trapezohedra to 1 cm with...analcime crystals associated with sparkling black aegirine prisms. Other interesting Canadian analcime localities...biotite at Aroskjoer, Brevig, Norway; Lages, Santa Catarina, Brazil; the famous carbonatite at Palabora |  | Guarino, Vincenza, Gennaro, Roberto de', Melluso, Leone, Ruberti, Excelso, Azzone, Rogério G. (2019) The Transition from Miaskitic to Agpaitic Rocks, as Highlighted by the Accessory Phase Assemblages in the Passa Quatro Alkaline Complex (SouthEastern Brazil) The Canadian Mineralogist, 57 (3) 339-361 doi:10.3749/canmin.1800073 | Journal (article/letter/editorial) | | THE PASSA QUATRO ALKALINE COMPLEX (SOUTHEASTERN BRAZIL) VINCENZA GUARINO§, ROBERTO DE’ GENNARO, AND...São Paulo, Rua do Lago 562, 05508-080 São Paulo, Brazil ABSTRACT The Passa Quatro alkaline complex is...Cretaceous to Paleogene Igneous Province of southeastern Brazil. It is composed mainly of nepheline syenites and...peralkaline rocks. The Passa Quatro intrusion (with aegirine, titanite, and minor eudialyte) can be considered...agpaitic nepheline syenites of Poços de Caldas (with aegirine, titanite, eudialyte, and aenigmatite). Eudialyte |  | Lustrino, Michele, Melluso, Leone, Brotzu, Pietro, Gomes, Celso B., Morbidelli, Lucio, Muzio, Rossana, Ruberti, Excelso, Tassinari, Colombo C.G. (2005) Petrogenesis of the early Cretaceous Valle Chico igneous complex (SE Uruguay): Relationships with Paraná–Etendeka magmatism. Lithos, 82 (3) 407-434 doi:10.1016/j.lithos.2004.07.004 | Journal (article/letter/editorial) | | Cidade Universitária, CEP 05508-900, São Paulo, Brazil e Departamento de Geologia, Instituto de Geologia...the south American plate, mostly concentrated in Brazil (Serra Geral Formation; Piccirillo and Melfi, 1988;...products mostly occur in the Paraná basin (N95% in Brazil; b5% in Uruguay), whereas the felsic volcanic rocks...around the Paraná–Etendeka igneous province in Brazil, Bolivia, Paraguay, Uruguay, Angola and Namibia...and Punta del Este and rift-type basins (e.g., Santa Lucia basin)) is the first evidence of such a reactivation |  | | Book | | .......................................... 167 Brazil..................................................particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for exploitable...Montreal area of Canada and for central Coais, Brazil. N11111ber and na111e Each occurrence has been...a n;:itional number, for example Jacupiranga is Brazil 88. This is followed by the preferred name of the...mi croperthitic orth oclase, lesser andesine, aegirine-augite, a rfvedsonitic amphi bole, biotite and |  | | Journal (article/letter/editorial) | | plagioclase-biotirehornblende-actinolite) Pluton, 213 ASSEM B LAGES El Dorado Blodgett County, Forest Calif Description...and. Iwasoki Miyashiro (1957) Garnetschist aegirine-amphibole-muscovite-quartz with minor Shikoku...electron probe analyses, TWO.AM P H I BOLE A SSEM B LAGES ^ l O N 9E < 1N \ O N oNo\o + 1C O O 4 \o44oco...somewhat lower Mg/(Mg*Fe) TWO-AM P H I BOI,E ASSEM B LAGES tn + a ooo\oN6l<'tN...by open triangles. TW.O-AM P H I BOLE A SSEM B LAGES NoMg gloucophone looCo Co+No hornblende r00 CorlAg |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | Nguyen Thi, Thuy, Wada, Hideki, Ishikawa, Tsuyoshi, Shimano, Taketo (2014) Geochemistry and petrogenesis of carbonatites from South Nam Xe, Lai Chau area, northwest Vietnam. Mineralogy and Petrology, 108 (3) 371-390 doi:10.1007/s00710-013-0301-7 | Journal (article/letter/editorial) | | coarse–grained and composed of calcite (60–80 %), aegirine (5–10 %), arfvedsonite (1–2 %), biotite (3–5 %)...starting from an inner carbonate, to biotite and aegirine outer areas (Thanh 2004). Ferrocarbonatites from...granular massive texture and contains calcite, aegirine, biotite, magnesio-arfvedsonite, and accessory...South Nam Xe: c - Mineral association of calcite, aegirine, biotite and prismatic fluorapatite in coarsegrained...junctions at the grain margins in an association with aegirine, biotite, magnesio-arfvedsonite, fluorapatite |  | Kozlov, Evgeniy, Fomina, Ekaterina, Sidorov, Mikhail, Shilovskikh, Vladimir, Bocharov, Vladimir, Chernyavsky, Alexey, Huber, Miłosz (2020) The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy and Geochemistry. Minerals, 10 (1) 73 doi:10.3390/min10010073 | Journal (article/letter/editorial) | | (RE carbonatites) Angola [5,6], Australia [7–9], Brazil Mongolia [52,53], [54–56], New Zealand [57], Norwayin[58]...KAlSi3 O8 Phlogopite, KMg3 (AlSi3 O10 )(F,OH)2 Aegirine, NaFe3+ Si2 O6 Albite, NaAlSi3 O8 Zircon, ZrSiO4...calcite, Ti-rich phlogopite, apatite, Ti-rich aegirine, and albite are present in and barium-free microcline...calcite, Ti-rich phlogopite, apatite, Ti-rich aegirine, and albite are present in lesser and monazite...Fragment zonedDol-2 Dol-2,in isolated from spongy aegirine, and microcline Dol-1.by(c)the Fragment of zoned |  | Sunde, Øyvind, Friis, Henrik, Andersen, Tom, Trumbull, Robert B., Wiedenbeck, Michael, Lyckberg, Peter, Agostini, Samuele, Casey, William H., Yu, Ping (2020) Boron isotope composition of coexisting tourmaline and hambergite in alkaline and granitic pegmatites. Lithos, 352. 105293 doi:10.1016/j.lithos.2019.105293 | Journal (article/letter/editorial) | | amphibole, and sodic al clinopyroxene (aegirine-augite to aegirine) (Piilonen et al., 2013). Late magmatic... ESC. Common minerals in the miaroles include aegirine, alkali amphibole, and halide Jo u minerals...Tourmaline and hambergite boron isotope composition f aegirine and there may be minor trivalent iron present...can be inferred from coexisting mineral assemb lages. For LPC e- tourmalines, with or without hambergite...rare-element pegmatites in the Borborema Province of Brazil. Chemical Geology 352, 47-62. http://dx.doi |  | | Journal (article/letter/editorial) | | as alkaline varieties: hastingsite, riebeckite, aegirine, etc. Another reason for reduced acidity in these...1. Delimiting areas of volcanoplutonic assemb lages that contain high-chlorine gabbroid intru sions |  | Caxito, Fabrício A., Uhlein, Alexandre, Dantas, Elton Luiz, Stevenson, Ross, Salgado, Silas Santos, Dussin, Ivo A., Sial, Alcides da Nóbrega (2016) A complete Wilson Cycle recorded within the Riacho do Pontal Orogen, NE Brazil: Implications for the Neoproterozoic evolution of the Borborema Province at the heart of West Gondwana. Precambrian Research, 282. 97-120 doi:10.1016/j.precamres.2016.07.001 | Journal (article/letter/editorial) | | recorded within the Riacho do Pontal Orogen, NE Brazil: Implications for the Neoproterozoic evolution...recorded within the Riacho do Pontal Orogen, NE Brazil: Implications for the Neoproterozoic evolution...recorded within the Riacho do Pontal Orogen, NE Brazil: Implications for the Neoproterozoic evolution...Carlos 6627, CEP 31270-901, Belo Horizonte, MG, Brazil 2 - Instituto de Geociências, Universidade de Brasília...Universitário, Asa Norte, CEP 70910-900, Brasília, DF, Brazil 3 - GEOTOP, Université du Québec à Montréal, P |  | Thompson, R. N., Gibson, S. A., Mitchell, J. G., Dickin, A. P., Leonardos, O. H., Brod, J. A., Greenwood, J. C. (1998) Migrating Cretaceous-Eocene Magmatismin the Serra do Mar Alkaline Province,SE Brazil: Melts from the Deflected Trindade Mantle Plume?. Journal of Petrology, 39 (8) 1493-1526 doi:10.1093/petroj/39.8.1493 | Journal (article/letter/editorial) | | Magmatism in the Serra do Mar Alkaline Province, SE Brazil: Melts from the Deflected Trindade Mantle Plume...UNIVERSIDADE DE BRASÍLIA, 70910 BRASÍLIA DF, BRAZIL RECEIVED JULY 30, 1997; REVISED TYPESCRIPT ACCEPTED...volcanic remnants, and dyke swarms along coastal SE Brazil. The igneous rocks are emplaced into metamorphics...mantle plume impacted at ~85 Ma beneath interior SE Brazil where the lithosphere was too thick (>150 km),...together with strongly alkaline magmatism at Lages, southern Brazil, a site of localized rifting. After ~80 |  | | Book | | gysinite-(Nd) and other rare minerals from [the Santa Lucia and Sa Duchessa mines,] Sardinia [Italy] (by...crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto) 22: 183-185 ALTO...Burian goyazite from [Alto Bernardino, Paraiba,] Brazil (by J. S. White, Jr.) 12:379 ALUMOHYDROCALCITE...muscovite from the Ze Pinto prospect, Minas Gerais, Brazil 21:405-408 --with J.P. Cassedanne: Crystallized...Gerais, Brazil 21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil 25:165-170 |  | | Journal (issue) | | Natrolite crystal cluster colored greenish with aegirine microinclusions. 2.5 cm. Koashva-2005 pegmatite...Natrolite crystal cluster colored greenish with aegirine microinclusions. 2.5 cm. Koashva-2005 pegmatite...the Koashva pegmatites and hydrothermal assemb lages were published by us. In addition, we accumulated...nepheline (50-60%), potassic feldspar (20-25% ) . and aegirine ( 10- 1 5%) with accessory eudialyte, titanite...rounded grains of nepheli ne (up to 90%) . acicular aegirine and titanite, and accessory apatite. The thickness |  | | Book | | Typically the variance is 2; but there are so1ne assemb lages which represent univariant equilibrium. 2. T he...Quartz (2) Jadeite + Aegirine -+ Aegirine-jadeite (3) Albite + Aegirine -+ Aegirine-jadeite + Quartz...such pressure range the (D + F + H) assemblage (aegirine-jadeite solid solution + qua rtz) will be stable...quartz). T hjs explains the wide prevalence of aegirine-bearing jadeites associated with quartz in many...glaucophane-scrust terranes. The much rarer assemblage (aegirine + albite) represents higher temperatures (or lower |  | | Book | | abundance. Regional zoning, in Rio Grande Do Sui, Brazil, is controlled more by composition of the rock...1982). The edges of the veins contain acicular aegirine, sheaf like pectolite, and vinogradovite while...Spittal/Drau (Gernot Weissensteiner, pers. comm.). BRAZIL Murata et al. (1987) report analcime with heulandite...2.6 meters, lined with eudialyte, cancrinite, aegirine, and catapleiite covered by orange-pink serandite...neptunite, astrophyllite, sphene, ancylite, ilmenite, aegirine, and zircon occur in the Hibina and Lujavr-Toundra | | | Book | | abundance. Regional zoning, in Rio Grande Do Sui, Brazil, is controlled more by composition of the rock...1982). The edges of the veins contain acicular aegirine, sheaf like pectolite, and vinogradovite while...Spittal/Drau (Gernot Weissensteiner, pers. comm.). BRAZIL Murata et al. (1987) report analcime with heulandite...2.6 meters, lined with eudialyte, cancrinite, aegirine, and catapleiite covered by orange-pink serandite...neptunite, astrophyllite, sphene, ancylite, ilmenite, aegirine, and zircon occur in the Hibina and Lujavr-Toundra |  | | Journal (issue) | | witness. 2 FINE MINERALS AND GEMSTONES direct from Brazil OCEANSIDE GEM IMPORTS, INC. 426 M arion Street...........5 Brian Lloyd Locality— Minas Gerais, Brazil: A Response.....................................very large and colourful am ethyst group from Brazil at $336 ( £ 140). This low price was m ore than...Alvaro Lucio Caiza Postal 1286 Belo Horizonte, Brazil s a mineral collector living in Belo H orizonte...orizonte, capital of the state of M inas G erais, Brazil, I could well understand the problem presented in the |  | | Book | | Africa), Golconda (India), Oiamontlna (Minas Gerais, Brazil) and Yakutia (Russia). C Colour: colourless,...Oklahoma and Kansas (USA), Broken Hill (Australia) and Santa Eulalia (Mexico); crystals are found at Pribram...chalcotrlcite; ruby copper is a gem-quality crystal found at Santa Rita (New Mexico, USA) and Onganyo (Namibia). It...include Val Malenco and Vesuvius (Italy), Bagagem (Brazil), Kaiserstuhl (Ge.rmany) and Quebec (Canada). ...deposits are in Connecticut (USA), Minas Gerais (Brazil), Smilovne (Bulgaria) and Victoria Range (New Zealand) | | | Book | | Africa), Golconda (India), Oiamontlna (Minas Gerais, Brazil) and Yakutia (Russia). C Colour: colourless,...Oklahoma and Kansas (USA), Broken Hill (Australia) and Santa Eulalia (Mexico); crystals are found at Pribram...chalcotrlcite; ruby copper is a gem-quality crystal found at Santa Rita (New Mexico, USA) and Onganyo (Namibia). It...include Val Malenco and Vesuvius (Italy), Bagagem (Brazil), Kaiserstuhl (Ge.r many) and Quebec (Canada)....deposits are in Connecticut (USA), Minas Gerais (Brazil), Smilovne (Bulgaria) and Victoria Range (New Zealand) |  | | Report (issue) | | microcrysts. However, some flows contain rare aegirine phenocrysts (Downie and Wilkinson, 1972). The...abundant, even in the trachyte-rhyolite sequence. Aegirine is ubiquitous, whereas arfvedsonite occurs only...ferromagnesian minerals. Nepheline syenites contain aegirine-augite, F-arfvedsonite, and aenigmatite. The Ntumbaw...lavas and varies in felsic lavas from diopside to aegirine (in the classification of Morimoto et al., 1988)...Zr- and/or Ti-bearing aegirinic pyroxenes and aegirine-rich pyroxenes (Table 1), which are symptomatic |
|
