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BRAZIL - GO
Iron Meteorite - Coarse Octahedrite IAB..
It presents Neumann bands, indicative of shocks in space. These reheats may be the cause of the absence of nickel in a given phase found in the meteorite. It also features a widmanstatten structure with coarse lamellae. Cohenite and schreibersite minerals are present. Description obtained in the documents of M. E. Zucolotto.
(INAA - J. T. Wasson, UCLA) Total composition: Co = 0.46%, Ni = 6.43%, Ga = 89.6 ppm, As = 11.6 ppm, Ir = 3.36 ppm, Au = 1.46 ppm.
ron Meteorite - Coarse Octahedrite IAB.
M. E. Zucolotto (MNRJ) and J. Wasson (UCLA)
A mass of about 30 kg was found by a cowherd in a land where gold is prospecting, near Uruaçu, in the state of Goias. A sample of the mass was sent to the University of Arizona for identification, with a negative opinion, based on the non-Widmanstatten development of the structure and the absence of Ni in a metallic meteorite. Another sample was sent by Mr. Carvalho for a new analysis at the National Museum, where his meteoritic nature was proven. Source: Scorzelli et al. (2010)..
Todas as informações que não possuírem fonte especifica, foram extraídas do Meteoritical Bulletin Database.
Todas as imagens possuem direitos autorais.
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