 | 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...oxides, clinopyroxene, amphibole, apatite and titanite, while the peralkaline nepheline syenites have |  | 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...oxides. The wealth of accessory phases includes titanite, eudialyte, astrophyllite–kupletskite, F-disilicates |  | 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 |  | | 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 |  | 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 |  | 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...relatively abundant in various silica-undersaturated alkaline rocks, namely carbonatite (Borodin et al. 1956;...et al. 2000; Melusso et al. 2017), potassic lava (De Hoog and van Bergen 2000), lamproite (Carlier and...1980); Jacupiranga, Brazil (Bellatreccia et al. 1999); Araxá, Minas Gerais, Brazil (Mariano 1993 in Williams...Chilwa Island, Malawi (Platt et al. 1987); Itatiaia, Brazil (Melusso et al. 2017); Laacher See, Germany |  | Lorenz, Melanie, Altenberger, Uwe, Trumbull, Robert B., Lira, Raúl, López de Luchi, Mónica, Günter, Christina, Eidner, Sascha (2019) Chemical and textural relations of britholite- and apatite-group minerals from hydrothermal REE mineralization at the Rodeo de los Molles deposit, Central Argentina. American Mineralogist, 104 (12) 1840-1850 doi:10.2138/am-2019-6969 | Journal (article/letter/editorial) | | from hydrothermal REE mineralization at the Rodeo de los Molles deposit, Central Argentina Melanie Lorenz1...Altenberger1, Robert B. Trumbull2, Raúl Lira3, Mónica López de Luchi4, Christina Günter1, and Sascha Eidner5 Institute...Germany 3 CONICET, Museo de Mineralogía y Geología “Drive A. Stelzner,” Facultad de Ciencias Exactas, Físicas... X5000JJC Córdoba, Argentina 4 IGNEIS, Instituto de Geocronología y Geología Isotópica, CONICET, University...P)O4]3(OH,F) are widespread rare-earth minerals in alkaline rocks and their associated metasomatic zones, |  | Barbosa, Sofia, Dias, António, Durão, Diogo, Grilo, José, Baptista, Gonçalo, Cagiza, Jonhsman, Pessanha, Sofia, Simão, Joaquim, Almeida, José (2022) Exploring High-Resolution Chemical Distribution Maps of Incompatible and Scarce Metals in a Nepheline Syenite from the Massif of “Serra de Monchique” (Portugal, Iberian Peninsula) Minerals, 12 (9) 1178 doi:10.3390/min12091178 | Journal (article/letter/editorial) | | in a Nepheline Syenite from the Massif of “Serra de Monchique” (Portugal, Iberian Peninsula) Sofia Barbosa...in a Nepheline Syenite from the Massif of “Serra de Monchique” (Portugal, Iberian Peninsula). Minerals...performed in the nepheline syenite (NS) of “Serra de Monchique” located in the southwest region of Portugal...materials (CRMs) in nepheline syenites of the “Serra de Monchique”, located in the northwest region of the...raw materials (CRMs). It is known that original alkaline magmas are greatly enriched in many predominantly |  | 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)...tephrites and phonotephrites, to benmoreites and titanite-haüyne-bearing trachyphonolites (MgO from 9-10...leucite, haüyne, AC nepheline, oxides, apatite, titanite, glass and other accessories). The basanites have...age), and highlight the geochemical effects of titanite and anorthoclase removal on the trace element...basanites, trachyphonolites, mineral trace elements, titanite removal, crustal SC RI PT contamination, Itasy |  | Gronen, Lars Hans, Sindern, Sven, Katzmarzyk, Janet Lucja, Bormann, Udo, Hellmann, André, Wotruba, Hermann, Meyer, F. Michael (2019) Mineralogical and Chemical Characterization of Zr-REE-Nb Ores from Khalzan Buregtei (Mongolia)—Approaches to More Efficient Extraction of Rare Metals from Alkaline Granitoids. Minerals, 9 (4) 217 doi:10.3390/min9040217 | Journal (article/letter/editorial) | | More Efficient Extraction of Rare Metals from Alkaline Granitoids Lars Hans Gronen 1, * , Sven Sindern...April 2019; Published: 5 April 2019 Abstract: Alkaline rocks are worldwide observed as hosts for rare...deposits; alkaline rocks; automated mineralogy; Khalzan Buregtei 1. Introduction Alkaline granite and...element composition of alkaline rocks is in line with elevated abundances of complex and rare HFSE minerals...reasons [4]. As a response to this situation, alkaline granite and syenite complexes have also come into |  | | Journal (article/letter/editorial) | | followed by weathering. Due to their possible complex geological evolution, the deportment of the elements...ore mineralogy is also very complex, with different minerals having complex chemical and crystallographic...REE-fluoro-carbonates [24]. Many REE minerals have a complex mineral chemistry with light REE (LREE, elements...identification by chemical analysis. The often complex and multistage geological processes of REE enrichment...hydration and dehydration. This often results in a complex REE mineral assemblage. Mineral phases are defined |  | 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...Sr-scavenging phases (e.g., perovskite, apatite, titanite), and ultimately refers to more evolved magmatic...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 |  | 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 |  | | Book | | to More Efficient Extraction of Rare Metals from Alkaline Granitoids Reprinted from: Minerals 2019, 9, 217...article by Gronen et al. [19] on Zr-REE-Nb ores from alkaline granitoids in Mongolia addresses the problem of...possibility for how to relate the EDS spectra from the complex and variable REE mineral phases in an ore to mineral...to More Effcient Extraction of Rare Metals from Alkaline Granitoids. Minerals 2019, 9, 217. [CrossRef]...to More Efficient Extraction of Rare Metals from Alkaline Granitoids Lars Hans Gronen 1, *, Sven Sindern |
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