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Cerro los Calvos
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:help 68 g
Classification
  history:
Meteoritical Bulletin:  MB 71  (1991)  H4-an
NHM Catalogue:  5th Edition  (2000)  H4
MetBase:  v. 7.1  (2006)  H4-an
Recommended:  H4-an    [explanation]

This is 1 of 14 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)
Writeuphelp
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.

Catalogs:
References: Published in Meteoritical Bulletin, no. 71, Meteoritics 26, 255-262 (1991)
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Geography:

Mexico
Coordinates:
     Catalogue of Meteorites:   (24° 20'N, 102° 8'W)
     Recommended::   (24° 20'N, 102° 8'W)

Statistics:
     This is 1 of 14 approved meteorites from Zacatecas, Mexico
     This is 1 of 112 approved meteorites from Mexico (plus 4 unapproved names) (plus 1 impact crater)
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