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| Calama 138 | |||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Calama 138 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2020 Country: Chile Mass:  69 g | ||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 639 approved meteorites (plus 1 unapproved name) classified as CO3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites | ||||||||||||||||||||||||||||||||||||
| Comments: | Approved 28 Mar 2021 | ||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Calama 138 22°24’26"S, 68°49’39"W Antofagasta, Chile Purchased: 2020 Oct Classification: Carbonaceous chondrite (CO3) Physical characteristics: A single stone. Cut face reveals a dark brown interior with small chondrules. Petrography: (J. Gattacceca, CEREGE) Chondrite with small chondrules (average apparent diameter 150±70 µm, n=30) and small CAIs, set in a abundant fine-grained, iron-rich matrix. Opaque minerals are metal and troilite. Geochemistry: Olivine Fa14.1±11.5, range Fa0.5-32.9, Fa PMD=116% (n=9). Cr2O3 in ferroan olivine 0.12±0.10 (n=8). Low-Ca pyroxene Fs6.3±3.9Wo3.7±0.8 (n=4). Classification: Carbonaceous chondrite (CO3) Specimens: Type specimen at CEREGE. Main mass with Kuntz. | ||||||||||||||||||||||||||||||||||||
| Data from: MB110 Table 0 Line 0: |
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| Institutions and collections |
CEREGE: CEREGE
BP 80
Avenue Philibert, Technopole de l'Arbois
13545 Aix-en-Provence Cedex 4
France, France (institutional address; updated 10 Jun 2023) Kuntz: Fabien Kuntz, France; Website (private address) |
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| References: | Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography:
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Statistics: This is 1 of 2908 approved meteorites from Antofagasta, Chile (plus 10 unapproved names) (plus 1 impact crater) This is 1 of 2937 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||||||
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