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El Médano 404
Basic information Name: El Médano 404
     This is an OFFICIAL meteorite name.
Abbreviation: EM 404
Observed fall: No
Year found: 2016
Country: Chile
Mass:help 167 g
Classification
  history:
Recommended:  LL5-6    [explanation]

This is 1 of 59 approved meteorites classified as LL5-6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 May 2019
Writeuphelp
Writeup from MB 108:

El Médano 404 (EM 404)        ~24°51’S, ~70°32’W

Antofagasta, Chile

Find: 2016 Apr 09

Classification: Ordinary chondrite (LL5-6)

Physical characteristics: Full stone with fresh fusion crust

Petrography: (J. Gattacceca, CEREGE) Brecciated ordinary chondrite with cm-sized clasts in a cataclastic matrix. Type 5 and 6 material is present. Melt pockets and opaque veinlets are found.

Classification: Ordinary choondrite (breccia, LL5-6).

Specimens: Type specimen at CEREGE. Main mass at MMC

Data from:
  MB108
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Origin or pseudonym:deflation surface
Date:2016 Apr 09
Latitude:~24°51'S
Longitude:~70°32'W
Mass (g):167
Pieces:1
Class:LL5-6
Weathering grade:W2
Fayalite (mol%):29.8±0.28 (N=3)
Ferrosilite (mol%):24.8±0.1 (N=3)
Wollastonite (mol%):2.2±0.2
Magnetic suscept.:3.76
Classifier:H. Pourkhorsandi, J. Gattacceca, CEREGE
Type spec mass (g):33
Type spec location:CEREGE
Main mass:MMC
Finder:Rodrigo Martinez
Comments:work name RM560; submitted by Jérôme Gattacceca
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
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Geography:

Chile
Coordinates:
     Recommended::   (24° 51'S, 70° 32'W)

Statistics:
     This is 1 of 1453 approved meteorites from Antofagasta, Chile (plus 4 unapproved names) (plus 1 impact crater)
     This is 1 of 1480 approved meteorites from Chile (plus 10 unapproved names) (plus 1 impact crater)
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