 | | Journal (article/letter/editorial) | | Hussak's Geology of the Interior of Brazil. The Constitution of Brazil provides (Act 3) that: "An area of...da commissão exploradorado planalto central do Brazil; Dr. Hussak's résuméof the geology of the region...of the little known of the origin of diamonds in Brazil, what he says on this subject is of special interest...with the diamonds: rutile, magnetite, tourmaline, pyrope, a single ruby, and, most abundant of all, limonite...Diamantina. II. The presence of others, such as the pyrope garnets, that are characteristic of the African |  | | Report (issue) | | the Departmento National da Produ^ao Mineral of Brazil under the auspices of the Agency for International...Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS, BRAZIL GEOLOGICAL...the Departmento Nacional da Produqao Mineral of Brazil under the auspices of the Agency for International...Minas Gerais, Brazil. (Regional geology of the Quadrilatero Ferrifero, Minas Gerais, Brazil) (Geological...Petrology Brazil Quadrilatero do Ferro. 3. Geology, Stratigraphic Pre-Cambrian. I. Brazil. Departamento |  | | Book | | 1982 Jules Roger Sauer ” Foreword For years Brazil has been the major producer of colored stones in...metamorphic rocks, the variety of gem deposits in Brazil is almost infinite. In addition to the mineral...assemblage one might expect from pegmatite dikes, Brazil also produces a very significant output of diamonds...written in English, and beautifully illustrated. “Brazil, Paradise of Gemstones’, by Jules Roger Sauer,...Century. The book is a showcase ofthe best from Brazil and it makes a handsome evocation of what is beautiful |  | | Journal (issue) | | gem abstracts| Margaritologia pearl newsletter|Santa Fe Symposium proceedings|Fei cui testing in Hong...Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By Aurélien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...padparadscha sapphire, honey-colour chrysoberyl and Paraíba-colour tourmaline. Each includes a definition,...margaritologia.de. Santa Fe Symposium Proceedings Papers from 22 presentations delivered at the 2017 Santa Fe Symposium |  | | Journal (issue) | | found in the seas off the south-eastern USA to Brazil and N. subnodosus in the seas off western Central...Minas Gerais, Brazil 2. Department of Mining and Geology, Federal University of Paraíba, Brazil Abstract:...they are found in a wide range of colours. Red pyrope and almandine are probably the most common and...Laboratory of Great Britain (Shigley et ah, 2000) and Brazil (Ferreira, 1997) have sparked renewed interest...the only garnet variety that does not occur in Brazil (Delaney 1996). Colour-change garnets found in |  | | Journal (issue) | | MARKETS Figure 9. Near Nova Era in Minas Gerais, Brazil, the Belmont mine operates using sophisticated...other mines in the area slowed (Weldon, 2006). Brazil witnessed a sustained slump in overall gemstone...in places like the United Arab Emirates, Russia, Brazil, India, and China—locations that would not have...issued a statement supporting the use of the term paraíba to refer to blue (electric blue, neon blue, or...which were first discovered in Paraíba and Rio Grande do Norte states in Brazil in 1989 (Fritsch et al., 1990) |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | | Journal (issue) | | deposits of alexandrite, cat's-eye and chrysoberyl in Brazil' pp. 333-54) ISSN: 0022-1252 F.G.A. your key...Institute of America Gem Trade Laboratory, Inc., Santa Monica, California, USA Abstract A method for obtaining...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil JacquesCassedanne, Cassedanne, D.Sc.,* Maurice...Fundiio, Fundão, 21,910, Rio de Janeiro, Janeiro, Brazil *Institute of Geosciences UFRJ-CNPq, Cidade Universitaria...Ipanema, 22,410, 22,410, Rio de Janeiro, Janeiro, Brazil **Maurice Roditi Jewellers, distinguished: Abstract |  | Martins, Sofia, Mata, João, Munhá, José, Mendes, Maria Hermínia, Maerschalk, Claude, Caldeira, Rita, Mattielli, Nadine (2010) Chemical and mineralogical evidence of the occurrence of mantle metasomatism by carbonate-rich melts in an oceanic environment (Santiago Island, Cape Verde) Mineralogy and Petrology, 99 (1) 43-65 doi:10.1007/s00710-009-0078-x | Journal (article/letter/editorial) | | groups (northern: Santo Antão, São Vicente, Santa Luzia, São Nicolau, Sal and Boavista; southern: Brava... the majority of Lages silicate rocks (Eastern Brazil), which belong to the continental alkaline-carbonatitic...stability field of the grossular end-member relative to pyrope in 60 S. Martins et al. Fig. 8 Calculated phase...Atlantic and to the Paraná magmatic province in Brazil (CominChiaramonti et al. 2002). This affinity of...Lages alkaline-carbonatite complexes, Santa Catarina State, Brazil: geochemistry and geodynamic implications |  | | Journal (issue) | | 1aquamarine, Santa Maria mine, Brazil; (2) 20.10-ct peridot, Burma; (3) 21.09-ct kunzite, Brazil; (4) 8.14-ct... California; (6) 15.18-ct tourmaline, Paraiba, Brazil; (7) 10.42-ct tanzanite, Tanzania; (8) 6.09-ct...38-ct ruby, Burma; (17) 3.08ct tourmaline, Paraiba, Brazil; (18) 1.85-ct fancy purple-pink diamond, Argyle...Sinlzanlzas Editor Alice S. Keller 1660 Stewart St. Santa Monica, C A 90404 Telephone: (800) 421-7250 x25...organization for the jewelry industry, 1660 Stewart St., Santa Monica, CA 90404. Postmaster: Return undeliverable |  | | Book | | cm Page 251: Calcite, Irai, Rio Grande do Sul, Brazil * 12.5 x 10 x 10.5 em Page 252: Gypsum rosette...environment. solidified. In some basalts of India and Brazil, these cavities are large enough for a person...ABOVE: Imperial topaz, Ouro Preto, Minas Gerais, Brazil ° 3.3 x 2.7 x 1.8 om, 159.10 ct RIGHT: Round brilliant-cut...Bahia, Brazil * 5 x 3 x 0.6 cm Platy muscovite, José Pinto Mine, Jaguaracu, Minas Gerais, Brazil * 12...South Wales, Australia * 7 x 6 x 6 cm Epidote, Brazil * 7 x 75 x Reniform In this habit, minerals form |  | | Report (issue) | | (1981). Occurrence at Lavra do Enio pegmatite, Brazil, Fe203 24.67, MnO 23.73%. ALLUAUDITE. Fransolet...Microprobe analyses (5) from Serra do Navio, Amapa, Brazil. AMPHIBOLE. Bender et al., Earth Planet. Sci. Lett...93, no. 20, 189111 (1980). Analysis from Goias, Brazil. ANALCIME. Hellner and Koch, Mineral. Petrogr....Mineral. Abstr. 33, 385 (1982). Manganian andalusite, Brazil, had JTS_ alpha 1.642, gamma 1.649. ANUALUSITE...3U, 236-239 (1981). Uptics of colorless variety, Brazil. ANUALUS1TE. Cassedanne and Cassedanne, (Rev. Gemmol |  | | Book | | Evolution and the Brasiliano Orogeny in Northeast Brazil . . . . . . . 373 R. CABY, A. N. SIAL, M. ARTHAUD...pattern evidenced by gravity surveys in northeast Brazil suggest the extension of the N-S Pan-African structures...GE) and southward by the Parnaiba embayment (in Brazil). Gravity anomalies which define the suture have...FAM (1984) Proterozoic links between northeastern Brazil and West Africa: a plate tectonic model based on...Sequences of the West African Craton Northeast Brazil and the Late Proterozoic South Atlantic fit. Geol |  | | Book | | Deviations 371 Bolivia, 377 332 Proportions Brazil, 378 Angles of Faceted Bulgaria, 399 333 Burma... Cajon, Schmetzer, Heidelberg, De Janeiro, Brazil; Geological ton, VA; seum, Marie and Germany;...Germany; NY; Prof. Sklar, Oceanside, Rio Santa Monica, Liddicoat, Dr. Dr. Josephine A. Van Pelt...date of 1000 of Brazil. by the aborigines 40 Kunz inch (25 Indians of Brazil. these minerals In...pre-Columbian sites of Code, grave tematically of Brazil. labret made from a Colombian emeralds countries |  | | Book | | Watson, Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized...best known specimens of the species. At nearby Santa Filomena, good specimens showing ilvaite crystals...inyoite crystal groups to 40 cm across occur at Santa Rosa, Loma Blanca and other mines of the Alta Piano...Jan./Feb. 1991), though citing references to the Santa Rita mine locality (see entry below) which produced...Buena, Zacatecas. See this entry for Boulangerite. Santa Rita mine, Nie,·es, Zacatecas. A 1976 find of very |  | | Journal (volume) | | Republic The thermal decomposition of garnets from pyrope-almandine series occurs between 750°C and 1200°C...of the reaction products from decomposition of pyrope-almandine garnet in reducing atmosphere. Natural...Natural garnets of near end-member composition pyrope – (Mg2.22Fe0.47Ca0.33)(Cr0.11Fe0.06Al1.81)Si2.98O12...decomposition was done by high-temperature XRD. Pyrope decomposition started at 1105°C; the identified...in previous works as decomposition products of pyrope in air [1,2], the difference here is the presence |  | | Report (issue) | | Structural geology Detachment faults in the central Santa Monica Mountains, Calif., by R. H. Campbell, R....investigation of the Caraiba copper deposit, Bahia, Brazil, by R. W. Lewis, Jr _ _ _ _ _ _ _ _ _ _ _ _ _ _...RESEARCH 1966 DETACHMENT FAULTS IN THE CENTRAL SANTA MONICA MOUNTAINS, CALIFORNIA By R. H. CAMPBELL...Los AngeZes County, OaZif. Abstraot.-The central Santa Monica Mountains are made up of sedimentary and...of the Rort exposed in the core of the Eastern Santa Monica Mountains. Structurally, these strata form |  | | Journal (article/letter/editorial) | | of elongate crystals (~50 x 950 nm) of majorite-pyrope solid solution (Maj-Prpss). Untransformed solid...(ingrid@lpl.arizona.edu) 2 University of California Santa Cruz, Santa Cruz, CA, 95064. 3 Malin Space Science Systems...(2014) GEOLOGICAL UPDATE OF THE SANTA MARTA IMPACT STRUCTURE, BRAZIL G. J. G. de Oliveira1, M. A. R....Chamani2. 1 University of Campinas, Brazil. 2 University of São Paulo, Brazil. 3 Natural History Museum, Berlin...E-mail: gracejuliana.oliveira@gmail.com Introduction: Santa Marta (10°10’S/45°14’W) is a complex impact structure |  | | Journal (volume) | | Copper Pro¬ duction, 1898-1902—Argentina—Bolivia—Brazil—Canada (by Samuel S. Fowler, p. 177)—Cuba—Italy...Smelters at Salida, Colo.—Smelting Practice at Santa Fe, Mexico. Trail Smelter (by W. H. Aldridge)—Granby...States—Diamonds—United States—South Afri¬ can Mines—Australasia—Brazil—British Guiana—Dutch East Indies —India—Artificial...Rica—Honduras—Nicaragua— Salvador—Argentina—Bolivia — Brazil — Chile—Columbia—Ecuador —Guiana—Peru—Uruguay—Russia—Servia...duction of Manganese Ore in Foreign Countries—Brazil—Colombia—Cuba— France—India—Italy—Queensland—Russia |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | concentrat ed in southern Africa, the Siberian Platform, Brazil, and Western Australia. Ages range from Precambrian...associated with pegmatites in locations such as Brazil, the former U.S.S.R., and western Canada, pro duction...Venezuela, Guyana, Surinam, Guiana, and parts of Brazil and Colombia) • Northern Brazilian Shield Province...coming from Australia, Guinea, Jamaica, China, and Brazil. Nonmetallurgical grades used for refractories...specific deposits in China, Australia, Guinea, Brazil, Guyana, and Suriname. Fluorspar Manganese Lithium |  | | Book | | Australia Ying Gu 8th 2004 Aguas de Lindoia, Brazil Henrique Kahn 7th 2000 Göttingen/Hannover,...Bjørn Eske Sørensen Norway Dr. Carina Ulsen Brazil Prof.Dr. Rolf Arne Kleiv Dr. Prof.Dr. Rune B...Department, University of Sao Paulo, Engineering School, Brazil Abstract The implementation of X-ray diffraction...study, 69 bauxite samples from Porto Trombetas, Brazil were classified by cluster analysis. Results led...the Porto Trombetas region in the state of Pará, Brazil. The samples were classified on the mining site |  | | Book | | Cielo. (e) The coarsest octahedrite IIAB iron Santa Luzia. (f) The hexahedrite IIAB iron Bennett County...Palacz Z. (1986) Evidence from the Parana of South Brazil for a continental contribution to Dupal basalts...Ca, and Al, enriched in Mg. Mineralogy: Cr-rich pyrope, Cr-diopside. Orthopyroxene in garnet facies characterized...(Pearson et al., 1994). Subcalcic garnet (high Cr-pyrope; knorringitic) bearing harzburgite varieties scarce...often containing chromite or sub calcic high-Cr pyrope and frequently diamondiferous. (ii) Often fine |  | | Book (volume) | | of Great Britain, in 1825, between Portugal and Brazil; of France, in 1849-1850, when differences arose...classified, and also executed public works like the Santa Trinita bridge. During the great inundations of...poverty and poor health. Yet when the marquess of Santa Cruz (q.v.) died, on the 9th of February 1588, Philip...command of the Armada. He was chosen even before Santa Cruz was actually dead, and was forced to go in...typical species ranged from Argentina and Chili to Brazil. For certain small ground-sloths from Patagonia |
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