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Caleta el Cobre 024
Basic information Name: Caleta el Cobre 024
     This is an OFFICIAL meteorite name.
Abbreviation: CeC 024
Observed fall: No
Year found: 2018
Country: Chile
Mass:help 15.9 kg
Classification
  history:
Recommended:  EL6    [explanation]

This is 1 of 118 approved meteorites classified as EL6.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Comments: Approved 11 Dec 2018
Writeuphelp
Writeup from MB 107:

Caleta el Cobre 024        ~24°20’S, ~70°15’W

Antofagasta, Chile

Find: 2018 Apr

Classification: Enstatite chondrite (EL6)

History: The stone was found lying at the surface in the Atacama desert in April 2018.

Physical characteristics: A single dark brown stone. Cut face reveals a dark interior with abundant metal.

Petrography: (J. Gattacceca, Bertrand Devouard, CEREGE) Highly recrystallized chondritic texture. One relict chondrule observed in the 2 cm2 studied section. Main minerals are enstatite, plagioclase (typical size 100 μm, to 200 μm), kamacite (typical size 100 μm), sulfides (typical size 100 μm, also present as abundant 5-10 μm mixed sulfides/kamacite grains in the silicates). No olivine. Sulfides include alabandite and troilite.

Geochemistry: Enstatite Fs0.4±0.1Wo1.4±0.0 (N=3). Plagioclase An14.4±0.5Ab81.2±0.5Or3.8±0.0 (N=2). Si in kamacite 1.5±0.1 wt% (N=5). Magnetic susceptibility log χ (× 10-9 m3/kg) = 5.36.

Classification: Enstatite chondrite (EL6). EL classification from the Si content of kamacite and the presence of alabandite. Minimal weathering. This meteorite was found 2 km away from the Caleta el Cobre 025 EH3 meteorite.

Specimens: Type specimen 32 g at CEREGE. Main mass with ARTMET.

Data from:
  MB107
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Date:2018 Apr
Latitude:~24°20'S
Longitude:~70°15'W
Mass (g):15900
Pieces:1
Class:EL6
Weathering grade:minimal
Ferrosilite (mol%):0.4±0.1 (N=3)
Wollastonite (mol%):1.4±0.0
Magnetic suscept.:5.36
Classifier:J. Gattacceca, B. Devouard, L. Krämer Ruggiu, CEREGE
Type spec mass (g):32
Type spec location:CEREGE
Main mass:ArtMet collection, Poland
Finder:anonymous
Comments:work name LM77/E37; 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)
ARTMET: Meteorites and Art, Poland (private address; updated 23 Feb 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
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Geography:

Chile
Coordinates:
     Recommended::   (24° 20'S, 70° 15'W)

Statistics:
     This is 1 of 1417 approved meteorites from Antofagasta, Chile (plus 5 unapproved names) (plus 1 impact crater)
     This is 1 of 1444 approved meteorites from Chile (plus 11 unapproved names) (plus 1 impact crater)
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