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| Caldera | |||||||||||||||||
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| Basic information | Name: Caldera This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 1967 Country: Chile Mass:  500 g | ||||||||||||||||
| Classification history: |
This is 1 of 272 approved meteorites classified as Eucrite-mmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||
| Writeup |
Writeup from MB 75:
Warning: the following text was scanned and may contain character recognition errors. Refer to the original to be sure of accuracy. Caldera Desierto de Atacama, Chile Found 1967 Achondrite (eucrite) One oriented stone of 500 g was found by a prospector near the town Caldera, for which the coordinates are given. Classification and mineral analysis, opx Wo5En37Fs58, augite Wo40En30Fs30, feldspar An89Ab10Or1, non-cumulate and unbrecciated eucrite, Glenn J. MacPherson, Dept. of Mineral Sciences, Smithsonian Institution, Washington, D.C. 20560, USA. Bulk composition, 14.4% Fe, 7.14% Ca, 29 ppm Sc, 2160 ppm Cr, 4210 ppm Mn, < 10 ppm Ni, 30 ppm Zn, flat REEpattern 10-11 x C1, B. Spettel, Max-Planck-Institut fur Chemie, D-55020 Mainz, Germany. Information and main mass, Robert Haag, P. O. Box 27527, Tucson Arizona 85726, USA. | ||||||||||||||||
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| References: | Published in Meteoritical Bulletin, no. 75, Meteoritics 28, 692-703 (1993)
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Geography:
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Statistics: This is 1 of 16 approved meteorites from Atacama, Chile This is 1 of 2532 approved meteorites from Chile (plus 16 unapproved names) (plus 1 impact crater) | ||||||||||||||||
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