 | 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 |  | 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...wöhlerite, hiortdahlite, låvenite), britholite and pyrophanite as the accessory phases. The silica-oversaturated |  | 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 |  | | Journal (article/letter/editorial) | | THE ORIGIN OF PEGMATITES IN THE LARVIK PLUTONIC COMPLEX, NORWAY ØYVIND SUNDE§ AND HENRIK FRIIS Natural...element-bearing mineral in alkaline pegmatites occurring in the Permian Larvik Plutonic Complex in the Oslo Rift...composition of wöhlerite from pegmatites across the complex has been studied as a potential geochemical proxy...hypersolvus monzonite) and nepheline syenite of the complex, but the genetic relationship between the pegmatites...wöhlerite were sampled from different sections of the complex to investigate whether or not compositional variations |
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