 | Allan, Jaoqueline E. M., Coey, J. M. D., Sanders, I. S., Schwertmann, U., Friedrich, G., Wiechowski, A. (1989) An occurrence of a fully-oxidized natural titanomaghemite in basalt. Mineralogical Magazine, 53 (371) 299-304 doi:10.1180/minmag.1989.053.371.04 | Journal (article/letter/editorial) | | intrusion in an area of Precambrian gneiss in Minas Gerais, Brazil. It hosts exsolution lamellae of ilmenite...S: titanomaghemite, ferric iron, gneiss, Minas Gerais, Brazil. Introduction MAGHEMITES are cation-deficient...can be formed from goethite by burning in the presence of biomass. Such goethite is frequently aluminous...ALLAN E T AL. contain maghemite, are widespread in Brazil (Resende et al., 1988, Curi and Franzmeier, 1987)...composition from an area of Precambrian gneiss in Minas Gerais, Brazil. The rock is the parent for a soil with |  | | Journal (article/letter/editorial) | | The Netherlands 322 [31 The magnetic soils of Brazil M a u r o R e s e n d e ~, Jacqueline Allan 2 and...Science, Federal UniversiO, of Vi~osa, Vigosa. MG (Brazil) -" Department of Pure and Applied PIwsics, Trinity...iron phases, aluminous hematite and aluminous goethite, impart, respectively, the characteristic red...the entire soil column at certain locations in Brazil is easily attracted by a hand magnet [7], we investigated...horizons at a site near Vicosa in the Zona da Mata of Minas Gerais. (3) A horizontal toposequence (samples |  | | Journal (article/letter/editorial) | | University of Vigosa, MG, Brazil 3 EMBRAPA/CNPMS, Caixa Postal 151, 35700 Sere Lagoas, Brazil Abstract. Four occurrences...occurrences of highly magnetic soil in Brazil have been analysed with a view to identifying the magnetic...that as much as 5 percent of the land surface of Brazil may be covered by Oxisols that are sufficiently...percent Fe203, found near Vigosa in the Zona da Mata of Minas Gerais, (2) three sets of highly magnetic soil...samples from the Quadrilatero Ferrifero, Minas Gerais, Brazil. The rock contains > 50 weight percent Fe/O3 |  | | Report (issue) | | cooperation with the Departmento National da Produ^ao Mineral of Brazil under the auspices of the Agency for...Ferrifero, Minas Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Departmento Nacional da Produqao...Produqao Mineral of Brazil under the auspices of the Agency for International Development of the United...Ferrifero, Minas Gerais, Brazil. (Regional geology of the Quadrilatero Ferrifero, Minas Gerais, Brazil) (Geological |  | | Journal (issue) | | from Três Marias Lake and its significance, Minas Gerais, Brazil ..........................................added with sewage sludge and heavy metal salts (Brazil) …………………………………………………….…. 43 Hernando BAGGIO,...disasters: the 2011 - 2012 events in Minas Gerais State - Brazil ……………... 47 Najla LASSOUED, Mohamed...susceptibility in southeastern Rio de Janeiro, Brazil ….. 55 Márcia Andréia da SILVA NUNES, Adolf Heinrich HORN,...Parc and its sourroundings, Espírito Santo State, Brazil ………………………………………………………….. 61 Ahmed TOUIL, Mohamed |  | | 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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