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Calama 087 | |||||||||||||||||||||||||||||||
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Basic information | Name: Calama 087 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2018 Country: Chile Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 621 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 18 Apr 2020 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 108:
Calama 087 22°28.25’S, 68°51’W Antofagasta, Chile Find: 2018 Oct 27 Classification: Carbonaceous chondrite (CO3) Petrography: (J. Gattacceca, CEREGE) Chondrite with well-delineated chondrules (average apparent diameter 250±90 µm, n=31) and small CAIs set in an abundant, fine grained, iron-rich matrix. Opaque are metal and troilite. Geochemistry: Olivine Fa23.5±17.0, range Fa1.2-55.8, Fa PMD 65% (n=21), Cr2O3 in ferroan olivine 0.21±0.26 wt% (n=19). Low-Ca pyroxene Fs4.8±3.0Wo1.5±1.0 (n=8). Classification: Carbonaceous chondrite (CO3). | ||||||||||||||||||||||||||||||
Data from: MB108 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 29 Oct 2018) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150 Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography:![]() |
Statistics: This is 1 of 2340 approved meteorites from Antofagasta, Chile (plus 9 unapproved names) (plus 1 impact crater) This is 1 of 2369 approved meteorites from Chile (plus 15 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||
Proximity search: | |||||||||||||||||||||||||||||||
Synonyms![]() |
Coya Sur 005 (Coordinates were wrong. Renamed Coya Sur-->Calama) |