 | Brotzu, P., Gomes, C.B., Melluso, L., Morbidelli, L., Morra, V., Ruberti, E. (1997) Petrogenesis of coexisting SiO2-undersaturated to SiO2-oversaturated felsic igneous rocks: The alkaline complex of Itatiaia, southeastern Brazil. Lithos, 40 (2) 133-156 doi:10.1016/s0024-4937(97)00007-8 | Journal (article/letter/editorial) | | felsic igneous rocks: The alkaline complex of Itatiaia, southeastern Brazil P. Brotzu a, C.B. Gomes b...Napoli, Italy b Instituto de Geocihbas, Universidade de Skio Paula, Siio Paula, Brazil ’ Dipam’mento di Scienze...December 1996; accepted 1 April 1997 The Itatiaia aWine complex is a Late Cretaceous intrusion (72 Myr)...arranged concentrically, with the core of the complex being formed by SiO,-oversaturated syenites (with...significant lithotype, the potassic affinity of the Itatiaia complex, and the relatively high Sr-isotopic ratios |  | 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...Instituto de Geociências, Universidade de São Paulo, Rua do Lago 562, 05508-080 São Paulo, Brazil ABSTRACT...ABSTRACT The Passa Quatro alkaline complex is one of the main intrusions in the Serra do Mar Cretaceous...Cretaceous to Paleogene Igneous Province of southeastern Brazil. It is composed mainly of nepheline syenites and...three neighboring complexes of Itatiaia, Passa Quatro, and Poços de Caldas have significant differences |  | | Journal (article/letter/editorial) | | (1995) 425-440 Late Cretaceous alkaline complexes, southeastern Brazil: Paleomagnetism and geochronology...Kawashita ’ a Nkleo de Pesquisa em Geoquimica e Geofisica da Litosfera da Universidade de S~O Paul0 (NVPEGEL)...Paula, Brazil b Departamento de Geofisica, Institute Astrokmico e Geofiico da Universidade de Silo Paul0...Paula, Brazil ’ Centro de Pesquisas Geocronolbgicas, Institute de Geoci&cias da Universidade de S~O Paula...Silo Paulo, Brazil Received 4 May 1995; accepted 17 July 1995 Abstract Late Cretaceous alkaline rocks from |  | | Report (chapter) | | Universidade do Estado do Rio de Janeiro (DGRG/UERJ), Rio de Janeiro, Brazil 2 Programa de Posgraduação, Faculdade...Faculdade de Geologia, UERJ, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil *Corresponding...to the Cabo Granite (104 Ma) are observed in NE Brazil. In West Africa, sparse Aptian–Albian ages are...Brazilian margin, an east–west alkaline magmatic trend is observed from Poços de Caldas to Cabo Frio, comprising...the following volcanic islands are observed: the Rio Grande Rise (88–86 Ma), Abrolhos (54–44 Ma), the |  | Melluso, Leone, Guarino, Vincenza, Lustrino, Michele, Morra, Vincenzo, de' Gennaro, Roberto (2017) TheREE-and HFSE-bearing phases in the Itatiaia alkaline complex (Brazil) and geochemical evolution of feldspar-rich felsic melts. Mineralogical Magazine, 81 (2) 217-250 doi:10.1180/minmag.2016.080.122 | Journal (article/letter/editorial) | | REE- and HFSE-bearing phases in the Itatiaia alkaline complex (Brazil) and geochemical evolution of feldspar-rich...MICHELE LUSTRINO2,3, VINCENZO MORRA1 AND ROBERTO DE’ GENNARO1 1 2 3 Dipartimento di Scienze della Terra...Jason Harvey] ABSTR ACT The Late Cretaceous Itatiaia complex is made up of nepheline syenite grading to...in the metamorphic rocks of the Serra do Mar, SE Brazil. The nepheline syenites are characterized by assemblages...The major- and trace-element composition of the Itatiaia rocks have variations linked to the amount of |  | 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) | | minerals Review Agpaitic Alkaline Rocks in Southern Brazilian Platform: A Review Celso de Barros Gomes 1, *... 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...most significant occurrence is Poços de Caldas, the largest alkaline massif in South America. In general...ones. However, these associations are indeed more complex in terms of composition, with accessory phases |  | Braunger, Simon, Marks, Michael A.W., Wenzel, Thomas, Chmyz, Luanna, Guitarrari Azzone, Rogério, Markl, Gregor (2020) Do carbonatites and alkaline rocks reflect variable redox conditions in their upper mantle source?. Earth and Planetary Science Letters, 533. 116041 doi:10.1016/j.epsl.2019.116041 | Journal (article/letter/editorial) | | elsevier.com/locate/epsl Do carbonatites and alkaline rocks reflect variable redox conditions in their...Geosciences, Universidade de São Paulo, Rua do Lago 562, 05508-080 São Paulo, Brazil a r t i c l e i n f...xxxx Editor: R. Dasgupta Keywords: carbonatites alkaline silicate rocks redox conditions oxygen fugacity...investigation on seven carbonatites and associated alkaline rock complexes (Kaiserstuhl, Sokli, Kovdor, Palabora...a world-wide comparison between carbonatites, alkaline silicate rocks and mantle xenoliths, implies peculiar |  | Minissale, Silvia, Zanetti, Alberto, Tedesco, Dario, Morra, Vincenzo, Melluso, Leone (2019) The petrology and geochemistry of Nyiragongo lavas of 2002, 2016, 1977 and 2017 AD, and the trace element partitioning between melilitite glass and melilite, nepheline, leucite, clinopyroxene, apatite, olivine and Fe-Ti oxides: a unique scenario. Lithos, 332. 296-311 doi:10.1016/j.lithos.2019.02.023 | Journal (article/letter/editorial) | | potassic, as is commonplace in other mafic/ultramafic alkaline rocks of the western branch of the West African...incompatible in diopsidic clinopyroxene of highly alkaline magmas at atmospheric -and higher- pressure (cf...strongly concave REE patterns in evolved highly alkaline rocks, when found. Magnetite scavenges the first...development of significant Eu troughs in highly alkaline liquids derived from any amount of melilite removal...convincingly demonstrated in any volcanic or plutonic complex bearing this phase worldwide (cf. Braunger et al |  | Cucciniello, Ciro, Melluso, Leone, le Roex, Anton P., Jourdan, Fred, Morra, Vincenzo, de’ Gennaro, Roberto, Grifa, Celestino (2017) From olivine nephelinite, basanite and basalt to peralkaline trachyphonolite and comendite in the Ankaratra volcanic complex, Madagascar: 40 Ar/ 39 Ar ages, phase compositions and bulk-rock geochemical and isotopic evolution. Lithos, 274. 363-382 doi:10.1016/j.lithos.2016.12.026 | Journal (article/letter/editorial) | | trachyphonolite and comendite in the Ankaratra Volcanic Complex, Madagascar: 39Ar/40Ar ages, phase compositions...P. le Roex, Fred Jourdan, Vincenzo Morra, Roberto de’ Gennaro, Celestino Grifa PII: DOI: Reference: ...le Roex, Anton P., Jourdan, Fred, Morra, Vincenzo, de’ Gennaro, Roberto, Grifa, Celestino, From olivine...trachyphonolite and comendite in the Ankaratra Volcanic Complex, Madagascar: 39Ar/40Ar ages, phase compositions...trachyphonolite and comendite in the Ankaratra Volcanic Complex, Madagascar: 39Ar/40Ar ages, phase T compositions |  | Melluso, L., Tucker, R.D., Cucciniello, C., le Roex, A.P., Morra, V., Zanetti, A., Rakotoson, R.L. (2018) The magmatic evolution and genesis of the Quaternary basanite-trachyphonolite suite of Itasy (Madagascar) as inferred by geochemistry, Sr-Nd-Pb isotopes and trace element distribution in coexisting phases. Lithos, 310. 50-64 doi:10.1016/j.lithos.2018.04.003 | Journal (article/letter/editorial) | | located to the west of the ED Ankaratra volcanic complex. It comprises scoria cones and lava domes (>120)...Cucciniello et al., 2018). The central field of alkaline igneous rocks consist of four different volcanic-dominated...Ankaratra are built upon a Precambrian basement complex of Neoarchean granitic CE gneiss (2.7-2.5 Ga...observed for the feldspars at the Ankaratra volcanic complex (Fig. 4a). The interstitial glass is trachyphonolitic...(2008) and Melluso et al. (2010) on titanites of alkaline intrusive rocks of variable degree of evolution |  | Mikhailova, Julia A., Ivanyuk, Gregory Yu., Kalashnikov, Andrey O., Pakhomovsky, Yakov A., Bazai, Ayya V., Yakovenchuk, Victor N. (2019) Petrogenesis of the Eudialyte Complex of the Lovozero Alkaline Massif (Kola Peninsula, Russia) Minerals, 9 (10) 581 doi:10.3390/min9100581 | Journal (article/letter/editorial) | | Article Petrogenesis of the Eudialyte Complex of the Lovozero Alkaline Massif (Kola Peninsula, Russia) Julia...2019 Abstract: The Lovozero Alkaline Massif intruded through the Archaean granite-gneiss...rhythmically layered in its lower part (the Layered Complex) and indistinctly layered and enriched in eudialyte-group...minerals in its upper part (the Eudialyte Complex). The Eudialyte Complex is composed of two groups of rocks...rocks. Among the hypersolvus meso-melanocratic alkaline rocks (mainly malignite, as well as shonkinite, melteigite |
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