header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 27 Nov 2022
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
El Médano 481
Basic information Name: El Médano 481
     This is an OFFICIAL meteorite name.
Abbreviation: EM 481
Observed fall: No
Year found: 2019
Country: Chile
Mass:help 3.07 kg
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 616 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 11 Nov 2021
Writeuphelp
Writeup from MB 110:

El Médano 481 (EM 481)        24°48’05.3"S, 70°05’49.5"W

Antofagasta, Chile

Find: 2019 Jan 09

Classification: Carbonaceous chondrite (CO3)

Physical characteristics: Brownish stone. Cut surface reveals brown interior with small chondrules.

Petrography: (J. Gattacceca, CEREGE) Chondrite with well delineated small chondrules (~150 µm) set in an abundant fine-grained iron-rich matrix. Opaque minerals are metal and troilite. Small CAIs are present.

Geochemistry: Olivine Fa14.9±13.1, range Fa0.6-35.8 (n=6).

Classification: Carbonaceous chondrite (CO3). Likely paired with El Médano 216

Specimens: Type specimen at CEREGE. Main mass at MCC

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Date:2019 Jan 09
Latitude:24°48'05.3"S
Longitude:70°05'49.5"W
Mass (g):3065
Pieces:1
Class:CO3
Weathering grade:moderate
Fayalite (mol%):16.9±13.1 (n=6)
Magnetic suscept.:4.44
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):33
Type spec location:CEREGE
Main mass:MMC
Finder:Rodrigo Martinez
Comments:work name RM663; 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Chile
Coordinates:
     Recommended::   (24° 48' 5"S, 70° 5' 49"W)

Statistics:
     This is 1 of 2320 approved meteorites from Antofagasta, Chile (plus 9 unapproved names) (plus 1 impact crater)
     This is 1 of 2349 approved meteorites from Chile (plus 15 unapproved names) (plus 1 impact crater)
Proximity search:
Find nearby meteorites: enter search radius (km):

Direct link to this page