 | Ackerman, Lukáš, Ulrych, Jaromír, Řanda, Zdeněk, Erban, Vojtěch, Hegner, Ernst, Magna, Tomáš, Balogh, Kadosa, Frána, Jaroslav, Lang, Miloš, Novák, Jiří K. (2015) Geochemical characteristics and petrogenesis of phonolites and trachytic rocks from the České Středohoří Volcanic Complex, the Ohře Rift, Bohemian Massif. Lithos, 224. 256-271 doi:10.1016/j.lithos.2015.03.014 | Journal (article/letter/editorial) | | Macdonald, 2003; Macdonald and Scaillet, 2006) and Fortaleza district ⁎ Corresponding author. Tel.: +42 2 33087240;...compositions of ferroan pargasite to kaersutite. Ferroan pargasite to kaersutite (former more often) rarely form...plagioclase, nephelineN N diopside, pargasite to kaersutite, sodalite N N Ti-magnetite, titanite, and apatite...suite and cognate xenoliths from Fortaleza district (Ceara, Brazil). European Journal of Mineralogy 2 |  | | Journal (article/letter/editorial) | | 4), ferroan dlopslde xenocrysts occur rarely Kaersutite occurs infrequently and may be surrounded by...suite and cognate xenohths of the Fortaleza distract (Cearfi, Brazil) Eur J Mineral, 2 687-709 Mahmood |  | | Book (volume) | | e Magnesio-sadanagaite—Sadanagaite Kaersutite—Ferro-kaersutite Joesmithite Sodic-calcic Amphiboles ...and Cl, and in the case of oxyhornblende and kaersutite, by oxygen. Although the above formula and the...Joesmithite PbCa,(Mg,Fe*+,Fe**);SisBe,02.(OH), Kaersutite NaCa,(Mg,Fe?*)4Ti[Sig Al,0>7](O,OH,F)2 (c) Sodic-calcic...substitution of Al for (Mg,Fe?*) and for Si. Kaersutite has a formula similar to that of pargasite, but...0.50) and titanian (Ti: 0.25-0.49) except in kaersutite fluoro (F > 1.00), hydroxylian (OH > 3.00), oxygenian |  | | Book | | .......................................... 167 Brazil..................................................particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for exploitable...Montreal area of Canada and for central Coais, Brazil. N11111ber and na111e Each occurrence has been...a n;:itional number, for example Jacupiranga is Brazil 88. This is followed by the preferred name of the...peridotite and orthopyroxenite; megacrysts include kaersutite and b i otite. Chemical data for xenolit h-free |  | | Book | | under the national jurisdiction of four countries — Brazil, Portugal, Spain, Great Britain — have geological...Peter and St. Paul, lie ca. 950 km NE of Natal, Brazil, about half-way between the coasts of South America...32° 15’ W and some 345 km NE of Cabo Sao Roque, Brazil and ca. 2600 km from the coast of Liberia in Africa...Noronha and the coast of Rio Grande do Norte, Brazil. (From Hidro., Min. da Marinha, 1953) map: WNE...in the was changed to that of the exploration of Brazil. were finally expelled in 1654. In 1736 the French |  | | Journal (article/letter/editorial) | | Rio de Janeiro, RJ, Brazil. 2Dep. Geologia, UFOP, 35400-000 Ouro Preto, MG, Brazil. 3Dep. Quimica, UFMG...UFMG, 31270901 Belo Horizonte, MG, Brazil. 'On leave of absence from Universidad Nacional de La Plata,...crater located in Guimaraes highlands, central Brazil, were previously characterised [1]. In the present...[5] Davis A. M. et al. (1999) LPS XXIX, #1948. Brazil shows several ring features resembling meteoritical...Branco, XVII Simposio de Geologia do Nordeste, Fortaleza. [6] P.R. Martini et ai, INPE. [7] J. Hachiro |  | | Book (edition) | | ft) thick at Urubu, near Araçuai, Minas Gerais, Brazil. Fine pink and green gem-quality tourmaline has...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...sands containing diamonds near Sopa, Minas Gerais, Brazil The above discussion has concentrated on clastic...worldwide but some of the most important are in Brazil, where the gem-quality deposits are associated |  | | Report (issue) | | the Meruoca and Mocambo granites, northeastern Brazil, by Alcides N. Sial and Leon E. 398 Long 372 Preliminary...age determinations on Precambrian sediments in Brazil and Southern Africa ARGON ISOTOPIC GEOCHEMISTRY...diamonds. The kimberlites from southern Africa and Brazil date from about the time of opening of the South...Southern Africa Brazil 5 6-13 12-450 17-50 Transvaal, So. Africa So. Africa Brazil Angola So. Africa...Continental Rocks PAR-1 (Parana basin, Brazil)' PAR-2 (Parana basin, Brazil)' ADT-1 (Red Hill, Tasmania) -1 |  | | Book | | crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto) 22: 183-185 ALTO...Burian goyazite from [Alto Bernardino, Paraiba,] Brazil (by J. S. White, Jr.) 12:379 ALUMOHYDROCALCITE...muscovite from the Ze Pinto prospect, Minas Gerais, Brazil 21:405-408 --with J.P. Cassedanne: Crystallized...Gerais, Brazil 21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil 25:165-170...platinum from C6rrego Born Sucesso, Minas Gerais, Brazil 23:471-474 AMARGOSA DESERT Hydroboracite from the |  | | Book | | headwall: 240 ky in Icod (see Chap. 6), 170 ky in La Fortaleza and 180 ky in Diego Hernández (Ancochea et al...break is observed between the southern Tigaiga-Fortaleza scarps and the western Los Organos scarp. The...occurs. Intermediate composition pumices contain kaersutite, plagioclase, low-Na salite and Fe–Ti oxides...titanaugite, Ti-amphibole with oxidation rims (kaersutite, kt), oxides and relict olivine in a hypocrystalline |  | | Journal (volume) | | Emeralds from the Piteiras mine, Minas Gerais State, Brazil: genetic implications from fluid inclusion studies...in Itabira is located in the Minas Gerais State, Brazil and produces gem quality emeralds. Ultramafic rocks...property. “Gem-quality” alexandrite specimens from Brazil, India, Madagascar, Russia, Sri Lanka, and Tanzania...sources. Alexandrite samples from the Hematita mines (Brazil) have typically high Sn (up to 2294 ppm) concentrations...showing LA-ICP-MS data [ppm] for alexandrites from Brazil (BZ), Madagascar (MAD), Russia, Sri Lanka, and |  | | Book | | caldera wall; PT, Pico Teide; PV, PicoViejo; Fo, La Fortaleza. 108 A. Pittari et al. eruption cycles represented...lithic breccia on the Diego Hernández and La Fortaleza sectors of the caldera wall, based on stratigraphic...aegirine-augite; Am, amphibole; Arf; arfvedsonite; Krs, kaersutite; Bi, biotite; Foid, feldspathoid; Ne, nepheline;...Hernàndez and La Fortaleza caldera wall sections (S1, S2, G1 and G2 are common at La Fortaleza). Finally, |  | | Book | | in¬ volving the separation of hornblende and kaersutite respectively. Basaltic magmas that we can say...an amphibole low in Si and high in Na such as kaersutite (Maury et al. 1980). Direct evidence of differentiation...amphiboles are a possibility, and pargasite and kaersutite have both been suggested. Their magnesian end-member...end-member compositions are: , Pargasite Kaersutite NaCa2Mg4AlSi6Al2022(0H)2 NaCa2Mg4TiSi6Al2(0+0H)24... 45, 1-9. Brooks, C. K. & Platt, R. G. 1975. Kaersutite-bearing gabbroic inclusions and the late dike |  | | Book | | Watson, Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized...Compendium of Mineral Discoveries, /960-20/ S K KAERSUTITE EUROPE "Eisenrosen," colorless fluorapatite...floater crystals of the clinoamphibole species kaersutite, reaching 15 cm, are found loose in soils weathered...Near the town of Predazzo in the Fiemme Valley, kaersutite is found as sharp black crystals to 1 cm (www...Forsterite and Spine!. Specimens from Kolonne showing kaersutite crystals to 1 cm, with forsterite crystals to |  | | Report (issue) | | 19°39S, Long. 43°14W), Itabira, Minas Gerais, Brazil. Also found in the Stillwater Complex, Montana...19°39S, Long. 43°14W), Itabira, Minas Gerais, Brazil. Also occurs in the Main Sulphide Zone, Great Dyke...Far East; and in jacutinga, central Minas Gerais, Brazil; in placers from Finnish Lapland. OCCURRENCE: In...tectonite body, Norway; O’Toole Ni-Cu-Co deposit, Brazil; Vourinos Complex, Greece; Ivrea-Verbano complex...locality is the Cauê iron mine, Itabira, Minas Gerais, Brazil (Lat. 19°39N, Long. 43°14W). Also found at Hope’s |  | | Journal (article/letter/editorial) | | Universidade Federal do Ceari, 6045 1-970 Fortaleza, Brazil (veve@fisica.ufc.br), T e n t r o Brasileiro...Rua Xavier Sigaud 150, 22290-170 Rio de Janeiro, Brazil (scorza@cat.cbpf.br). The Niger (I) meteorite is...Rua Xavier Sigaud 150, 22290-180 Rio de Janeiro, Brazil (scorza@cat.cbpf.br). The Santa Catharina meteorite...Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil. We report measurements of the noble gases He,...CRATER FOR THE ORIGIN OF CARBONADO DIAMONDS FROM BRAZIL AND THE CENTRAL AFRICAN REPUBLIC. S. Master, Department |
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