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Odessa craters, Odessa, Ector Co., Texas, USA

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Latitude & Longitude (WGS84): 31° 45' 21'' North , 102° 28' 42'' West
Latitude & Longitude (decimal): 31.7558333333, -102.478333333

A group of five meteorite shallow craters located about ten miles southwest of Odessa. The largest is approximately 165 meters wide -- second largest crater in the US.

The craters were produced by the Odessa (iron) meteorite, a coarse octahedrite classified as a member of the main group of IAB meteorites (IAB-MG). Since 1922 1.6 tons of Fe-Ni rich meteoritical material (Ni ~7 wt%) has been recovered. The sulfides, silicates and several other familiar minerals listed here are, in the main, constituents of the original meteorite where they were often components of troilite and/or graphite inclusions. Several IAB iron meteorites, including the Odessa (iron) meteorite, contain 'silicate' inclusions which contain olivine, orthopyroxene, plagioclase, and other minor minerals. The pre-terrestrial Odessa silicates are usually very reduced and Mg-rich. Several minerals and mineral aggregates listed here (e.g., hibbingite, lawrencite, limonite) were produced by terrestrial weathering of the original iron meteorite. Pentlandite is somewhat more complicated as it is apparently both a primary, preterrestrial component and a weathering product.

The proper name for the meteorite associated with the Odessa Craters is 'Odessa (iron)' as the 'Odessa' meteorite refers to fragments of the earlier (1881) Grossliebenthal meteorite which fell in the Odessa Province of Ukraine.

Significant amounts of the Odessa meteorite are held in the nearby State Universities of Texas (Austin) and New Mexico (Albuquerque) and elsewhere. Masses with well-preserved interior masses, however, are still in short supply.

Mineral List

23 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Beck, C. W. and La Paz, L. (1951), The Odessa, Texas, Siderite (ECN =+ 1025,318). Contributions of the Meteoritical Society, 5: 27–33

Bunch, T.E., Keil, K., and Olsen, E. (1970): Mineralogy and Petrology of Silicate Inclusions in Iron Meteorites. Contributions to Mineralogy and Petrology 25, 297-340.

Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam, London: New York. 245 pages.

Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.

Grady, M. M. (2000) Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.

External Links = Meteoritical Bulletin Database

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