| | 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...quartz and hematite and the stability of kyanite, augelite, trolleite and berlinite allow to estimate the | | 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) | 607-609 Augelite and cerian crandallite in dumortierite quartzites, Vaca Morta quarry, Vereda range, Macatibas...Macatibas, Bahia, Brazil D. Visser University Museum Utrecht, P.O. Box 12055, 3501 AB Utrecht, The Netherlands...Boelelaan 1085, 1081 HV Amsterdam, The Netherlands AUGELITE,AI2PO4(OH)3, is a very rare Al-phosphate in relatively...this communication we report a new occurrence of augelite and its association with cerian crandallite, (Ca...range, Macatibas, Bahia, Brazil. The Vereda range in the northwest of the state of Bahia is well known for | | | 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...Telegrafenberg, Sektion 4.2, 14473 Potsdam, Germany mainly augelite, lazulite, and minerals of the svanbergite– c...the Espinhaço supergroup (São Francisco craton, Brazil; Fig. 1). Backscattered electron images (BSE),...over approximately 1000 km N–S in central-eastern Brazil running from the southern border of the States | | | 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) | shallow continental shelf environment. Lazulite, augelite, trolleite, svanbergite, goyazite, crandallite...thermal springs. Using textures, stability data for augelite, trolleite, berlinite, lazulite, scorzalite, dumortierite...(APB), such as lazulite (Mg, Fe)Al2 (PO4) 2 (OH)2, augelite Al2(PO4)(OH)3, trolleite Al4(PO4)3(OH)3, svanbergite...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), | | | 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)...ofAklavik, Yukon, Canada, 68° 39' N, 136° 48' W: ! augelite; *1976 — baricite; *1976 — gormanite — Rapid Creek:...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: |
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