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| El Médano 362 | |||||||||||||||||||||||||||||||||||||||
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| Basic information | Name: El Médano 362 This is an OFFICIAL meteorite name. Abbreviation: EM 362 Observed fall: No Year found: 2016 Country: Chile Mass:  18.56 kg | ||||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 636 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 22 Apr 2017 | ||||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 106:
El Médano 362 (EM 362) 24°51’S, 70°32’W Antofagasta, Chile Find: 2016 Nov Classification: Carbonaceous chondrite (CO3) History: The stones were found on the surface in the Atacama desert. Physical characteristics: Brownish stones. Cut surface reveals homogeneous dark brown interior with small chondrules and metal grains. Petrography: Chondrules and small CAIs set in an iron rich fine grained matrix. Mean apparent chondrule diameter 190±900 μm (N=45). Modal abundances: chondrules and chondrule fragments 64 vol%, matrix 36 vol%. Abundant FeNi metal. Geochemistry: Olivine Fa22.6±21.5, range Fa0.7-60.6, PMD 88%, N=15. Cr2O3 in ferroan olivine is 0.07±0.03 wt% (N=12). Orthopyroxene Fs8.7 Wo0.9 (N=1). Magnetic susceptiblity log χ (× 10-9 m3/kg) = 4.47. Classification: CO3. Moderate weathering Specimens: Type specimen and polished sections at CEREGE. Main mass with ArtMet collection, Poland. | ||||||||||||||||||||||||||||||||||||||
| Data from: MB106 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) ARTMET: Meteorites and Art, Poland (private address; updated 23 Feb 2018) |
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| References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography:
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Statistics: This is 1 of 2687 approved meteorites from Antofagasta, Chile (plus 9 unapproved names) (plus 1 impact crater) This is 1 of 2716 approved meteorites from Chile (plus 15 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||||||||
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