| 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) | southern Brazil and at the border between Brazil and Paraguay. All the Brazilian agpaitic rocks are Late Cretaceous...K-Ar) phonolite sill late-magmatic [29–31] 9 Cerro Siete Cabezas 244–249 Ma (K-Ar) nepheline syenite...stock late-magmatic to deuteric [32–34] 10 Cerro Boggiani 241–248 Ma (K-Ar, Ar-Ar) phonolite lava flow...two distinct groups in the states of Minas Gerais (Alto Paranaíba province) and Goiás (Goiás province),...with the Rio Grande structural feature [51]. In Paraguay, alkaline magmatism is concentrated mainly in | | | Journal (article/letter/editorial) | rhodochrosite, Mn-bearing calcite, kutnohorite, pyrophanite, tiragalloite, magnesio-riebeckite, manganberzeliite...carbonate veins associated with tiragalloite and pyrophanite. Hardness, fracture, and density not reported;...Hirtopanu et al. 2015); Cerro Boggiani massif, Alto Paraguay Province, Paraguay (Enrich et al. 2010); Bear...fonólitos agpaíticos do maciço de Cerro Boggiani, Província Alto Paraguay, Paraguai. X Congresso de Geoquímica...Type material is deposited in the museum of the Department of Mineralogy, Saint Petersburg State University | | | Book | accessory minerals from the Cerro Boggiani agpaitic complex (Alto Paraguay Alkaline Province) // Journal................................. 233 3.2.3.1. Pyrophanite ...............................................microscopy was carried out on the basis of the Department of Mineralogy of St. Petersburg State University...percleveite-(Ce), lorenzenite, sepiolite, nchwaningite, pyrophanite, fluorocaphite, fluorostrophite, stronadelphite...the scientific supervisor - Professor of the Department of Mineralogy of St. Petersburg State University |
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