Meteoritical Bulletin: Entry for Los Vientos 055

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Los Vientos 055

Basic information

Name: Los Vientos 055
This is an OFFICIAL meteorite name.
Abbreviation: LoV 055
Observed fall: No
Year found: 2012
Country: Chile
Mass: 43.7 g

Classification
history:

Meteoritical Bulletin:	MB 102	(2013)	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 10 Dec 2013

Writeup

Writeup from MB 102:

Los Vientos 055 (LoV 055) ~24°41’S, ~69°46’W

Antofagasta, Chile

Found: 2012 Jul 14

Classification: Carbonaceous chondrite (CO3)

History: The meteorite was found in 2012 by Luc Labenne in the Atacama Desert.

Physical characteristics: A single stone with about 30% of the surface covered by fusion crust.

Petrography: (J. Gattacceca, CEREGE) Abundant chondrules, predominantly of type I, in a dark matrix. chondrule:matrix ratio is 1:1. Olivine in type I chondrules are zoned. Chondrule size ranges from <100 μm to 700 μm with an average 135±87 μm (N=60).

Geochemistry: Olivine in the range Fa0.6-Fa_57.7(mean Fa_16.0±16.4, PMD=86%, N=20). Low-Ca pyroxene Fs_1.6Wo_0.9.Cr₂O₃ in ferroan olivine is 0.07±0.11 wt% (N=17). Magnetic susceptibility log χ = 3.95 (χ in 10^-9 m³/kg).

Classification: Carbonaceous chondrite (CO3). Moderate weathering

Specimens: 8.9 g and a polished section at CEREGE. Main mass with Labenne.

Data from:
  MB102
  Table 0
  Line 0:

State/Prov/County:	Antofagasta
Origin or pseudonym:	deflation surface
Date:	2012 Jul 14
Latitude:	~24°41'S
Longitude:	~69°46'W
Mass (g):	43.7
Pieces:	1
Class:	CO3
Weathering grade:	moderate
Fayalite (mol%):	16.0±16.4
Ferrosilite (mol%):	1.6
Wollastonite (mol%):	0.9
Magnetic suscept.:	3.95
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	8.9
Type spec location:	CEREGE
Main mass:	Luc Labenne
Finder:	Labenne Luc
Comments:	Submitted by J. 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)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015

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Geography:

Chile

Coordinates:
Recommended::	(24° 41'S, 69° 46'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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