| | Journal (article/letter/editorial) | metaquartzites of the northern Serra do Espinhac o (State of Bahia, Brazil) G. Morteani1 and D. Ackermand2...horizon belongs to the Middle Proterozoic Serra de Vereda member of the S~ao Marcos Formation of the...hills of the Serra de Canas=Cana Brava (Northern Serra do Espinhac o, State of Bahia, NE Brazil) about 10...10 km west of the town of Boquira. Sky blue lazulite and deep blue to lilac dumortierite are enriched...Al4(PO4)3(OH)3, svanbergite SrAl3(PO4) (SO4)(OH)6, goyazite SrAl3(PO4)(HPO4)(OH)6, crandallite CaAl3(PO4)(HPO4) | | Visser, D., Felius, R. O., Moree, M. (1997) Augelite and cerian crandallite in dumortierite quartzites, Vaca Morta quarry, Vereda range, Macaúbas, Bahia, Brazil. Mineralogical Magazine, 61 (407) 607-609 doi:10.1180/minmag.1997.061.407.11 | Journal (article/letter/editorial) | quartzites, Vaca Morta quarry, Vereda range, Macatibas, Bahia, Brazil D. Visser University Museum Utrecht...range, Macatibas, Bahia, Brazil. The Vereda range in the northwest of the state of Bahia is well known for...dumortierite-kyanite-muscovite quartzite, Vaca Morta, Vereda range, Macabas, Bahia SiO2 TiO2 A1203 Fe203 FeO MnO MgO CaO...with florencite, (CeAI3(PO4)(PO3OH)(OH)6), and goyazite (SrA13PO4)(PO3OH)(OH)6). Other analysed REE (La...end-members Cn = crandallite, Fc = florencite and Gz = goyazite, the mineral can be described as Cn53_64Fc29_36Gz6_17 | | | Journal (article/letter/editorial) | of the Veredas formation (Northern Espinhaço, Brazil): LA-ICP-MS age determinations on relict and recrystallized...of the Veredas formation (Northern Espinhaço, Brazil): LA-ICP-MS age determinations on relict and recrystallized...quartzites of the Veredas formation (Northern Espinhaço, Brazil): LA-ICP-MS age 3 determinations on relict and...Veredas Formation (Northern 22 Espinhaço fold belt, Brazil) have been dated using laser ablation inductively...Neoproterozoic age of the metamorphosed zircons of the 35 Vereda formation corresponds to the Brasiliano-Panafrican | | | Journal (article/letter/editorial) | environment. Lazulite, augelite, trolleite, svanbergite, goyazite, crandallite, berlinite, tourmaline, apatite,...Al4(PO4)3(OH)3, svanbergite SrAl3(PO4)(SO4)(OH)6, goyazite SrAl3(PO4) (HPO4)(OH) 6, crandallite CaAl3 (PO4)(HPO4)(OH)6...have been described e. g. from the Serra do Espinhaço (Bahia, Brazil, Casse- danne & Franco 1966, Cassedanne...Visser et al. 1997), from Diamantina (Minas Gerais, Brazil, Horn et al. 1996, Morteani & Ackermand 2001),...Fig. 4. Lazulite (Laz) surrounded by a rim of goyazite (Goy). EMP element mapping. Analamanbano (no. | | | Journal (article/letter/editorial) | metamorphosed phosphatic sandstone, Espinhaço fold belt (Brazil) Gerhard Franz1 · Giulio Morteani2 · Dieter Rhede3...sandstone from the Mesoproterozoic Espinhaço fold belt, Brazil, in a dissolution–precipitation reaction: zircon1...the Espinhaço supergroup (São Francisco craton, Brazil; Fig. 1). Backscattered electron images (BSE),...solutions of the mineral group crandallite–svanbergite–goyazite–florencite [(Ca, Sr, REE)Al-phosphate–sulfates]...over approximately 1000 km N–S in central-eastern Brazil running from the southern border of the States | | | Journal (issue) | Crystal 25x 17x 17mm. J& 60/13411. Agate (onyx) ?Brazil]. 6x 5 CM.N2 636/3292. Hofmann collection. All...Hungary, the Harz, Italy, Tirol, Saxony, Switzerland, Brazil, North America, Sitka Island, and Manila (Philippines)...Cacheuta 120- Las Plumas 121- Brumado 122- Itinga; Lavra da I lha: Taquaral 123- Diamantina 124- Galileia; Concelheiro...specimen. Photo: N. Pekova. 6. Euclase. Minas Gerais, Brazil. Crystal 8 mm tall. 1.V.& N . Pekov specimen. Photo:...sveite — Autana Cave. 29. SOUTH AMERICA (WITHOUT BRAZIL) Argentina: beryl; *1968 —be unite — Los Aleros |
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