Meteoritical Bulletin: Entry for Caleta el Cobre 033

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Caleta el Cobre 033

Basic information

Name: Caleta el Cobre 033
This is an OFFICIAL meteorite name.
Abbreviation: CeC 033
Observed fall: No
Year found: 2018
Country: Chile
Mass: 955 g

Classification
history:

Meteoritical Bulletin:	MB 108	(2020)	CO3
Recommended:			CO3 [explanation]

This is 1 of 645 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 29 Nov 2019

Writeup

Writeup from MB 108:

Caleta el Cobre 033 (CeC 033) 24°15’S, 70°31’W

Antofagasta, Chile

Find: 2018 Dec

Classification: Carbonaceous chondrite (CO3)

History: Found in the Atacama desert.

Physical characteristics: Brownish stones.

Petrography: (J. Gattacceca, CEREGE) Chondrules with average apparent diameter 220±200 µm (n=44) and small CAIs set in an abundant fine-grained iron rich matrix (38 vol% from point couting, n=251). Opaques are metal and sulfides

Geochemistry: Olivine Fa_28.9±14.8, range Fa_2.0-50.3, Cr₂O₃ 0.18±0.11 wt% (n=13). Low-Ca pyroxene Fs_28.4±20.7Wo_1.7±1.5(n=10).

Classification: Carbonaceous chondrite (CO3)

Specimens: Type specimen and a polished section at CEREGE. Main mass at ArtMet Collection

Data from:
  MB108
  Table 0
  Line 0:

State/Prov/County:	Antofagasta
Date:	2018 Dec
Latitude:	24°15'S
Longitude:	70°31'W
Mass (g):	955
Pieces:	1
Class:	CO3
Weathering grade:	moderate
Fayalite (mol%):	28.9±14.8 (n=13)
Ferrosilite (mol%):	28.4±20.7 (n=10)
Wollastonite (mol%):	1.7±1.5
Magnetic suscept.:	4.51
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	49
Type spec location:	CEREGE
Main mass:	ArtMet collection, Poland
Finder:	anonymous
Comments:	work name LM84/F23; submitted by Jerome 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 10 Jun 2023)
ARTMET: Meteorites and Art, Poland (private address; updated 23 Feb 2018)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

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Geography:

Chile

Coordinates:
Recommended::	(24° 15'S, 70° 31'W)

Statistics:
This is 1 of 3442 approved meteorites from Antofagasta, Chile (plus 12 unapproved names) (plus 1 impact crater)
This is 1 of 3471 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)

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Revision
history:

This lists important revisions made to data for this record.

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