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| El Médano 389 | |||||||||||||||||||||||||||||||||||
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| Basic information | Name: El Médano 389 This is an OFFICIAL meteorite name. Abbreviation: EM 389 Observed fall: No Year found: 2016 Country: Chile Mass:  1186 g | ||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 635 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 3 Aug 2018 | ||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 107:
El Médano 389 (EM 389) ~24°51’S, ~70°32’W Antofagasta, Chile Find: 2016 Nov 04 Classification: Carbonaceous chondrite (CO3) History: The meteorite was found in January 2016 in the Atacama desert by Rodrigo Martinez while he was looking for meteorites Petrography: (J. Gattacceca, CEREGE) Chondrules (predominantly of type I) and small CAIs set in a fine-grained Fe-rich matrix. Average chondrule apparent size 300 μm (N=26). Opaques are metal and troilite. Geochemistry: Olivine in the range Fa0.5-69.1 (mean Fa16.8±18.2, PMD=89%, N=25). Cr2O3 in ferroan olivine 0.11±0.09 wt.% (N=22). Low-Ca pyroxene Fs5.5Wo1.0 and Fs4.8Wo0.9 (N=2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.42. Classification: Carbonaceous chondrite (CO3). Minimal weathering Specimens: 53 g and a polished section at CEREGE. Main mass at MMC. | ||||||||||||||||||||||||||||||||||
| Data from: MB107 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) MMC: Museo del Meteorito, Tocopilla 401, San Pedro de Atacama, Chile. or Alonso de Ercilla 1250, La Herradura, Coquimbo, Chile, Chile; Website (institutional address; updated 11 Mar 2014) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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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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