 | Cabral, Alexandre Raphael, Tupinambá, Miguel, Zeh, Armin, Lehmann, Bernd, Wiedenbeck, Michael, Brauns, Michael, Kwitko-Ribeiro, Rogerio (2017) Platiniferous gold–tourmaline aggregates in the gold–palladium belt of Minas Gerais, Brazil: implications for regional boron metasomatism. Mineralogy and Petrology, 111 (6) 807-819 doi:10.1007/s00710-017-0496-0 | Journal (article/letter/editorial) | | aggregates in the gold–palladium belt of Minas Gerais, Brazil: implications for regional boron metasomatism...The platiniferous gold–palladium belt of Minas Gerais, Brazil, forms an approximately 240-km-long, roughly...Xavier 524 s. A4016, Rio Janeiro-RJ 20550-050, Brazil 4 Deutsches GeoForschungsZentrum GFZ, Telegrafenberg...Rodovia BR 381, km 450, Santa Luzia-MG 33040-900, Brazil tourmaline aggregates seem to be the ultimate...Metasomatism . PdPt . Gold–palladium belt . Minas Gerais . Brazil Introduction Auriferous lode deposits and |  | Cabral, Alexandre Raphael, Wiedenbeck, Michael, Koglin, Nikola, Lehmann, Bernd, de Abreu, Francisco R. (2012) Boron-isotopic constraints on the petrogenesis of hematitic phyllite in the southern Serra do Espinhaço, Minas Gerais, Brazil. Lithos, 140. 224-233 doi:10.1016/j.lithos.2012.01.011 | Journal (article/letter/editorial) | | phyllite in the southern Serra do Espinhaço, Minas Gerais, Brazil Alexandre Raphael Cabral a,⁎, Michael Wiedenbeck...Praça Ramos de Azevedo 206, 01037-010 São Paulo-SP, Brazil b c a r t i c l e i n f o Article history: Received...SIMS Hematitic phylite Southern Serra do Espinhaço Brazil a b s t r a c t Metasiliciclastic rocks predominate...Supergroup, in the southern Serra do Espinhaço, Minas Gerais, Brazil. The lower units also comprise rocks with...hematítico, in the southern Serra do Espinhaço of Minas Gerais, Brazil, has been used as a palaeoclimatic indicator |  | | Journal (article/letter/editorial) | | ORIGINAL ARTICLES. The High Plateau of Brazil. By EOBERT K. WALLS, M.A., B.Sc, F.R.S.G.S. (WITH PLATE...region occupying the -*- south-eastern portion of Brazil. It rises abruptly from the south-east coast but...between them. Pegmatite and quartz veins are common. Schorl-granite appears to be particularly abundant, and...Bibliography at end of paper. The High Plateau of Brazil. 291 Archaean complex several more basic rocks...John del Rey Co. at Morro Velho, in the State of Minas Geraes. This lode, which is rich in sulphides, dips |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph taken...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 |  | | Journal (issue) | | geology, and notable localities of diamond mining in Brazil, and outlines plans for future diamond production... Svisero, James E. Shigley, and Robert Weldon Brazil, which commanded global production in the 1700s...principally in the states of Minas Gerais and Mato Grosso, are presented. W hile Brazil is widely known for...Arraial do Tijuco (later named Diamantina) in the state of Minas Gerais (Calógeras, 1904; Leonardos, 1959;...and Bartorelli, 2010). For the next 150 years, Minas Gerais was the world’s major supplier of gem diamonds |  | | Journal (issue) | | 0026-4628 'Continued on p. 415 Articles Diamonds in Brazil .................................................Rio de Janeiro, Brazil Since their discovery in Minas Gerais, near the town of Diamantina, Brazilian diamonds...mining, fables and dreams. By the end of the 1700’s Brazil had become the world’s leading producer of diamonds...century. fficially the discovery of diamonds in Brazil is dated at 1727. Gold prospectors had found occasional...false idea that Brazil is a producer.” The sheer volume of diamonds coming from Brazil soon overwhelmed |  | | Report (issue) | | Persi~ • •• ••• Siam ••• • • •• ••• Argentina Brazil ••• •• -· ••• .. ' .. " •• •• • • • •...compact. A special variety of diamo~d peculiar to Brazil is known as carbonado or '' carbon ''; it is black...and no cleavage. Common iron-rich tourm.a line or schorl is black, the magnesiumrich variety being brown...Russia, Brazil, South-West Africa. Topaz.-Brazil, Russia, Japan, Southern Rhodesia. · Be1"yl.-Brazil, Madagascar...Russia. OlirysoberyZ.--C'e ylon, India, Russia, Brazil, Southern Rhodesia. Spinel.--Oeylon, .l n•dia, |  | | Journal (issue) | | amber imitation • Assembled diamond imitations from Brazil • Enamel-backed quartz as a star sapphire imitation...Also presented were the results of exploration in Brazil and in the Wawa and James Bay Lowland areas of...INTERNATIONAL Figure 9. This 19.39 ct amethyst from Brazil displays chatoyancy. Photo by Jaroslav Hyrsl. ...1996). Alfred A. Levinson Cat’s-eye amethyst from Brazil. Amethyst is one of the more common gems, but it...cat’s-eye amethysts he purchased during a visit to Brazil in summer 2000. The translucent, dark violet stones |  | | Report (issue) | | Janeiro______________________ Sao Paulo__________________________ Minas Gerais_______________________ Espirito Santo______________________...Monazite localities-Continued South America-Continued Brazil-Continued Beach placers _________________________...and Idaho. Most of the world output has come from Brazil, India, and the Republic of South Africa, but 12...beaches and elevated bars along the southern coast of Brazil were the world's main source of commercial monazite...international importance. Stream placers in the interior of Brazil are virtually unexplored; they may constitute an |  | | Book (edition) | | m (26 ft) thick at Urubu, near Araçuai, Minas Gerais, Brazil. Fine pink and green gem-quality tourmaline...acid members of the volcanic province in southern Brazil and Uruguay, and the fire opals occurring in small...amethyst from volcanic rocks in Rio Grande do Sul, Brazil. The amethyst crystals are more strongly coloured...Alluvial sands containing diamonds near Sopa, Minas Gerais, Brazil The above discussion has concentrated...worldwide but some of the most important are in Brazil, where the gem-quality deposits are associated |  | | Book (volume) | | descriptions of the chemistry of the tourmalines dravite, schorl, and elbaite. 374, line 19- Some opal, when kept...fashionable as a gem. state of Minas Geraes, (1968) It is Brazil. found principally in San Diego...Other forms „ 7a, b. Rose recoupee ,, ,, 162 Brazil : S. ., , sphere of Bort Ruby, 6. 7. crystal...Stewart (from South Africa) Mr. Dresden's (from Brazil) c. ... ... new form PLATE XL 76 (Facing ... . . Size). ..... Star of the South (from Brazil) Florentine 77 ,, 78 ,, 78 „ 15. 11a, |  | | | | brown patterns. Clear quartz on the top left. From Brazil. Agate after the river Achates in Sicily. > 33...longitudinal striations and terminal faces. From Minas Gerais, Brazil. Scale 1°5:1 113 ropaz wine-yellow, stumpy...important diamond fields of today are in South Africa, Brazil and Siberia. PyROPE, a blood-red garnet (from Greek...as smear-like patches. Fine specimens come from Brazil, Madagascar and the U.S.A. AMAZONSTONE (P1!.111)...Sul, Brazil. Scale 0°6:1 123 amETHYST pyramidal crystals with violet terminations. From 7 Minas Gerais |  | | Book | | potential deposits of SiO2 raw materials in Argentina, Brazil, Germany and Norway. The third part of the book...collaboration between scientists from Australia, Brazil, Canada, Germany, Norway, Switzerland and the USA...Color-Enhancing of Gemological Crystalline Quartz in Brazil . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . 6.3.3 Quartz Color-Enhancing in Brazil. . . . . . . . . . . . . . . . . . . . . . 139...50740-530, Brazil Mario L. S. C. Chaves Departamento de Geologia, IGC, Universidade Federal de Minas Gerais |  | | Catalog/List | | 49001 FINE AMETHYST GEODE PAIR Rio Grande do Sul, Brazil This excellent sliced geode pair boasts gemmy,...CITRINE GEODE PAIR Rio Grande do Sul, South Region, Brazil Citrine is one of the more desirable forms of Quartz... 49003 AMETHYST GEODE PAIR Rio Grande do Sul, Brazil Eons ago: hot flowing lava moved across the land...TABLETOP AMETHYST CATHEDRAL Rio Grande do Sul, Brazil This unique Amethyst geode features a “double hump”...Estimate: $1,500-$2,000 49005 FINE SMOKY QUARTZ Brazil A fine, large Smoky Quartz group of mountain-like |  | | Book | | brown patterns. Clear quartz on the top left. From Brazil. Agate after the river Achates in Sicily. A variety...stria- © tions and terminal faces. From Minas Gerais, Brazil. Scale 1:5:1 4 113 topaz wine-yellow, stumpy...important diamond fields of today are in South Africa, Brazil and Siberia. PYROPE, a blood-red garnet (from...as smear-like patches. Fine specimens come from Brazil, Madagascar and the U.S.A. AMAZONSTONE (P1.111)...do Sul, Brazil. Scale 0°6:1 123 AMETHYST pyramidal crystals with violet terminations. From Minas Gerais |  | | Book | | |1.9..2.0) K+290 1.5..2.0/ 9.0 |N+2n NitTrE SALT Sopa SALT Borax M+ 2m 2.0..2.511.7..1.8 N+86424¢...that including the sub- stances anciently called Schorl, or Hornblende, including Pyroxene, Hornblende...with the same family, and indeed the common name Schorl was formerly applied to both of them. Emerald...Tourmaline, P. 139. Tourmaline de Potasse, get edd &e. Schorl. Bdt. M occurs along with K. Bdt 359 Rubellite |  | | Book (volume) | | lime, and fluorine. This mineral is also called schorl Green, brown, or black. Sili-| cate of lime and...Granite Syenitic granite Protogine Luxulianite or Schorl- COMPOSITION. LOCALITIES, BRITISH OR FOREIGN...grey or brown granular matrix of oligoclase, with Brazil Wood in Charnwood Forest, Klumpsen in Oberlausitz...slags or erupted lavas.” While, from the fact that schorl melts readily at a bright red heat, 1 Sorby, Brit... 175 and multitudes of hair-like crystals of schorl are enclosed in the quartz of Cornwall, it is inferred |  | | Book (edition) | | surface of dry chalky plains, or on old walls, &c." Sopa is found naturally combined with the carbonic acid...white; hitherto it has only been found in Peru, Brazil, and in the island of St. Domingo. In Peru, it...which will hereafter be noticed. The platina of Brazil is alloyed by gold and palladium. That of St. Domingo...not of the oldest formation: it is thus found in Brazil, Peru, Mexico, Hungary and Transylvania. It is...Sweden, and in America; that of Japan and that of Brazil are alloyed by gold. A mass of native copper is |  | | Book (edition) | | Sardonyx , 78 Satin - spar, 179 Scapolite, 201 Schorl, 144 common, 117 Selenium, 215 Serpentine, 191...all the predominant figures. Examples, quartz, schorl, beryl, calcareous spar, & c. The prism is sometimes...always positive. Perfect crystals of tour maline, or schorl, display this property in the most striking manner...Cornwall; New Castle, and other places in England. Brazil, Bohemia, and the Hebrides. First discovered at...It sometimes forms extensive beds. Localities. Brazil and near St. Gothard . Whitby, Eng. The flexible |  | | Book | | : é ; d . : 34. 35. 36. 37. 38. : : (c) Brazil Wood Paper. (ad) Turmeric Paper . : : ‘ : ...heated in the same manner as the clay basins. 9. Sopa Paprrer.—In heating the quantitative silver assays...Re-agent Papers :—Blue litmus; reddened litmus ; Brazil wood ; and turmeric papers. (a) Blue litmus paper...colour being restored to a blue. (c) Brazil wood paper.—If brazil wood be boiled in water for a sufficient...parts of the retort, should be tested by litmus or brazil wood paper, to ascertain if it gives an acid or |  | | Book | | and was officially named, Villa de Yerena Real y Minas de Sombrerete. The records of the first 100 years...mining camp was given the name of Santa Fe y Real de Minas de Quanaxhuato. A military garrison and four small...the entire district became known as the Real de Minas de Tasco. The Spaniards developed the silver lodes...Sonora Silver/gold discovered and work begins in Minas Prietas, Hermosillo, Sonora 52 / Discoveries...MacCrellism and Quigley Printers. Dahlgren, C. B., 1887. Minas Historicas de la Republica Meneana México: Oficina |  | | Book (edition) | | are termed holohedral forms, from os, all, and sopa, face. 29. Class 1. Monometrica . According to the...* From Jupiter, the alchemistic name of tin . $ Minas, black, and parós, brown . DESCRIPTIVE MINERALOGY...From Jupiter , the alchemistic name of tin . S Minas, black, and panos, brown. DESCRIPTIVE MINERALOGY...OBS. It occurs at Antonia Pareira, Villa Rica, in Brazil , in small quantities in a silicious perhydrate...coating cavities of ferruginous quartz . Minas Geraes, in Brazil, have af forded some fine specimens. The |  | | Journal (volume) | | Branson, 228 J. C. OakenfuU Brazil in 1912 379 J. H. Goodchild (p.t.) Brazil, Iron Ores of 74 Report Briseis...Ores Diamond-Cutting Industry Diamond Deposits of Brazil A South Africa, D. Draper. (p.t.). Diamond-Drilling...Douglas, James 435 Draper, D., Diamond Deposits of Brazil & South Africa .... 210 Origin of Diamonds ......l.) 304 J. H. Goodchild (p.t.) 379 Iron Ores in Brazil *289 An Experience in Mexico. Jeffrey, R. H W....Killarncy Report .... (}{j)(j^ PAGE Iron Ores of Brazil (p.t.) .... Scientific Prospecting.... Future of |  | | Journal (volume) | | Report. 320 Brakpan Mines Brakpan No. 4 Shaft 71 Brazil, Diamonds in D. Draper (m.d.) .... *372 Brcatfittjg...Draper, Murray "211 D. Draper {m.d.) Diamonds in Brazil Diamond Mines, Depression D Diamonds Drill-steel...Steels, Sharpening Dua (Nigeria) Tin Fieli^s ' in Brazil {m.d.) {m.d.) [m.d.) Report Report Report DundeeCoal...sea-level, the oldest and most extensively worked Minas de Oro de Alhuc form a compact, self-containAs far...Plymouth Consolidated, California St. John del Rey, Brazil Santa Gerlrudis. Mexico Tomboy, Colorado Russia |  | | Book (volume) | | USE Utah juniper Sabinada, Brazil, 1837-1838 USE — Bahia (Brazil State) History Revolution, 1837-1838...allowances, etc. USE USE Nautical paraphernalia Brazil UF Geog) Hong Kong, 1922 Hong Kong, Sailors’...Geog) Sailors in literature Sailors’ Revolt, Brazil, Mariners Naval personnel Seamen [Former heading]...Saltwater fishing (May Subd Geog) cSH457-SH457.5] — Brazil Chalukyas (Roman Titles of Salvadoran American...Bunte salts Calcium salts Cinnamates Salvador (Brazil) History Capture by the Spanish, 1625 Salvador-Honduras |
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