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| Cerro los Calvos | |||||||||||||||||
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| Basic information | Name: Cerro los Calvos This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 1986 Country: Mexico Mass:  68 g | ||||||||||||||||
| Classification history: |
This is 1 of 24 approved meteorites classified as H4-an. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||
| Writeup |
Writeup from MB 71:
Warning: the following text was scanned and may contain character recognition errors. Refer to the original to be sure of accuracy. Cerro los Calvos Zacatecas, Mexico Found 1986 Stone. Ordinary chondrite (H4-Anom) One stone of 68.5 g was found in the open desert near Nuevo Mercurio. Classification, R. Whitlock, analysis, olivine Fa12.5, James C. Clark, both Center for Meteorite Studies, Arizona State University, Tempe, AZ 85287, USA, where also the main mass is located. Wasson et al., Lunar Planet. Sci. 22 (1991) 1471, classify Cerro los Calvos as ‘reduced ordinary chondrite’ because of the low Fa olivine but otherwise normal H-group chemistry. | ||||||||||||||||
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| References: | Published in Meteoritical Bulletin, no. 71, Meteoritics 26, 255-262 (1991)
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Geography:
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Statistics: This is 1 of 14 approved meteorites from Zacatecas, Mexico This is 1 of 113 approved meteorites from Mexico (plus 4 unapproved names) (plus 1 impact crater) | ||||||||||||||||
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