 | | Journal (article/letter/editorial) | | CRATER, BRAZIL A. A. Abraham, J. M. Flexor, and S. L. Fontes. Observatório Nacional/MCT, Brazil. E-mail:...the southwestern region of the Parnaiba Basin, Brazil, is presented. This signature was established by...Universidade Federal de Santa Catarina, 88040–900, Brazil. E-mail: marcelo_qmc@yahoo.com.br Introduction:...Acadêmico Hélio Ramos, s/n, Cid. Univ. 50740–530, Brazil. E-mail: barboant@hotmail.com. 2DGEO-UFPE, Av....Acadêmico Hélio Ramos, s/n, Cid. Univ. 50740–530, Brazil. E-mail: neumann@ufpe.br WHAT DOES THE CM CHONDRITE |  | | Book | | Geosciences Institute University of São Paulo São Paulo Brazil Pedro Oyhantçabal Departamento de Geodinámica Interna...recognized similarities in the ‘old granites’ of Brazil and southern Africa. On the other hand, du Toit...‘Brazilian system’ defined by Alcide d’Orbigny in Brazil (Beaumont 1844), arguably corresponding to the...geochronological data of the Precambrian basement of southern Brazil, Uruguay and Argentina were reported by Hart (1966)...and geochemical data of the Nico Pérez Terrane in Brazil and Uruguay in order to constrain its regional |  | | Journal (article/letter/editorial) | | texture. It consists of anorthoclase, diopside, forsterite and accessory titaniferous magnetite, ilmenite...essentially of pyroxene (diopside), olivine (forsterite) and feldspar (anorthoclase) as phenocrysts,...diopside (Wo49En40Fs11), whereas the olivine is forsterite (Fo87.2Fa12.6Tp0.2). The mineralogy of Gercus...fine-grained groundmass (Figs. 3a, 4a). Most of the forsterite and diopside crystals in the Gercus Basalt are...Serpentine as a common alteration product of forsterite, usually surrounds the fresh remnants (Figs. |  | | Journal (article/letter/editorial) | | materials (e.g., chondrites, eucrites, moon and Earth) do not vary outside of the analytical uncertainty and...Routine detection limits measured on synthetic forsterite are 2–4 ppm. Glass standards with appropriate...beam sputtering. In addition, our current standards do not provide tight control on instrumental mass fractionation...found in normal CV3 CAIs [4, 6]. As such, our data do not show any evidence of a supracanonical 26Al/27Al...without formation of phyllosilicates. Our FIB sections do not completely overlap, so that the second FIB section |  | | Journal (article/letter/editorial) | | Similarly, the FTIR spectra of the three olivines do not show any differences except the composition dependence...all. About some of them reasonable doubts exist. Brazil leading the record containing almost half detected...between 0.13 and 0.78 Ma. Other possible craters are Rio Cuarto (S 3252¢, W 6414¢), Islas Malvinas (S 5100¢...sandstones of the Sao Bento Group of Paraná Basin. Vista Alegre (S 2557¢, W 5241¢). It is a 9.5 km-wide circular...craters are Gilbues (S 1010¢, W 4514¢), Sao Miguel do Tapuio (S 538¢, W 4124¢), Cerro Jarau (S 3012¢ |  | | Book (volume) | | drawing up of minutes of council upon subjects which do not belong to any other department of state. The...between Peru and the neighbouring republics of Brazil, Colombia and Ecuador (see Peru), and the northern...has been, gener¬ ally, of the comparatively well-to-do. This fact has greatly affected the character and...discover and repossess the true owner, and he fail to do so, then you can recover them from him. The owner...mechanism of natural laws. As we therefore have only to do with the study of existing complexes of material |
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