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El Médano 390 | |||||||||||||||||||||||||||||||||||||||
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Basic information | Name: El Médano 390 This is an OFFICIAL meteorite name. Abbreviation: EM 390 Observed fall: No Year found: 2017 Country: Chile Mass: ![]() | ||||||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 642 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 390 (EM 390) ~24°51’S, ~70°32’W Antofagasta, Chile Find: 2017 May 17 Classification: Carbonaceous chondrite (CO3) History: The meteorite was found in May 2017 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 about 250 μm. Opaques are metal and troilite. Geochemistry: Olivine in the range Fa0.5-34.4 mean Fa18.0±15.6, N=4). Cr2O3 in ferroan olivine 0.07±0.01 wt.% (N=3). Low-Ca pyroxene Fs1.01Wo4.0 (N=1). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.63. Classification: Carbonaceous chondrite (CO3). Moderate weathering Specimens: 20 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 10 Jun 2023) 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:![]() |
Statistics: This is 1 of 2963 approved meteorites from Antofagasta, Chile (plus 10 unapproved names) (plus 1 impact crater) This is 1 of 2992 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||||||||
Proximity search: |