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| Balsas | |||||||||||||||||
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| Basic information | Name: Balsas This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 1974 Country: Brazil Mass:  41 kg | ||||||||||||||||
| Classification history: |
This is 1 of 338 approved meteorites classified as Iron, IIIAB. [show all] Search for other: IIIAB irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||
| Writeup |
Writeup from MB 82:
Balsas Maranhão, Brazil Found 1974 Iron, medium octahedrite (IIIAB) A 41 kg iron was found in a grain field by Mr. Mario Rodrigues. Classification and description (J. T. Wasson, UCLA; E. Zucolotto, MNRJ): bulk Ni, 8.43 wt%; Co, 0.51 wt%; Ga, 20.9 ppm; As, 7.24 ppm; Ir, 0.397 ppm; Au, 0.927 ppm; bandwidth, 0.9 mm; shocked, with hatched kamacite; contrary to anecdotal reports that the meteorite could be an observed fall, the UCLA specimen does not show either fusion crust or remnants of a heat-altered zone. Specimens: main mass, ACAEE (contact E. Zucolotto, MNRJ); type specimen, 24 g, UCLA. | ||||||||||||||||
| Institutions and collections |
MNRJ: Museu Nacional, Quinta da Boa Vista, Rio de Janeiro, CEP 20940-040, Brazil (institutional address; updated 26 Dec 2011) UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011) ACAEE: Associacao Carazinhense de Astronomica e Estudos Espacials, Caixa Postal 97, Rio Grande do Sul 99500-000, Brazil (institutional address) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)
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Geography:
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Statistics: This is 1 of 2 approved meteorites from Maranhao, Brazil (plus 1 impact crater) This is 1 of 87 approved meteorites from Brazil (plus 6 unapproved names) (plus 7 impact craters) | ||||||||||||||||
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