 | | Report (issue) | | zoning with and is visually indistinguishable from götzenite. Physical Properties: Cleavage: Perfect on {100}...Diffraction Pattern: Bortolan quarry, Poços de Caldas massif, Minas Gerais, Brazil. 2.975 (100), 3.086...82 3.29 100.00 (1) Bortolan quarry, Poços de Caldas massif, Minas Gerais, Brazil; average electron microprobe...and nepheline syenite pegmatites. Association: Götzenite, nepheline, alkali feldspar, aegirine, natrolite...Distribution: From the Bortolan quarry, Poços de Caldas massif, Minas Gerais, Brazil. Name: For the locality |  | 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) | | Rocks in Southern Brazilian Platform: A Review Celso de Barros Gomes 1, *, Rogério Guitarrari Azzone 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...Triassic. The most significant occurrence is Poços de Caldas, the largest alkaline massif in South America...main to late-magmatic Main References 1 Poços de Caldas 79–87 (Ar-Ar, K-Ar) 2 Itatiaia 67.5–71 |  | | Journal (issue) | | afgiftekantoor : 2140 Borgerhout 1 geonieuws maandblad van de mineralogische kring antwerpen v.z.w. 31(1), januari...nummer : • Australian Museum, Sydney • Antleriet van de Jomac mine, Utah • En veel MKA- en ander nieuws…...77 BTW-nummer : BE 0417.613.407 Zetel : Karel van de Woestijnestraat 4, B-2660 Hoboken Wettelijk depot...zonder voorafgaande schriftelijke toestemming van de uitgever. Betalingen contributie : bankrekening 789-5809102-81...technische realisatie Geonieuws. Guido CORNELIS, Karel van de Woestijnestraat 4, B-2660 Hoboken. Tel. 0486 301163 |
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Bortolan quarry, Poços de Caldas, Minas Gerais, Brazil