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Los Vientos 200
Basic information Name: Los Vientos 200
     This is an OFFICIAL meteorite name.
Abbreviation: LoV 200
Observed fall: No
Year found: 2016
Country: Chile
Mass:help 131 g
Meteoritical Bulletin:  MB 106  (2018)  CH3
Recommended:  CH3    [explanation]

This is 1 of 28 approved meteorites classified as CH3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CH chondrites, CH-CB family, and Metal-rich meteorites
Comments: Approved 15 Nov 2017
Writeup from MB 106:

Los Vientos 200 (LoV 200)        ~24°41’S, ~69°46’W

Antofagasta, Chile

Find: 2016 Apr 8

Classification: Carbonaceous chondrite (CH3)

History: The meteorite was found in April 2016 in the Atacama desert by Rodrigo Martinez while he was looking for meteorites.

Physical characteristics: A single fully crusted stone. Fusion crust has a dull, porous appearance. Cut surface reveals a very dark interior with abundant metal.

Petrography: (J. Gattacceca, CEREGE) Packed tiny chondrules (mostly cryptocrystalline, and mostly smaller than 30 μm), mineral fragments, and rare small CAIs. There is no matrix in between these components. Main minerals are olivine and orthopyroxene. Abundant rounded FeNi metal (kamacite) to 500 μm. Some fine-grained rounded clasts to 250 μm (but usually a few tens of μm) containing framboidal and platy magnetite are interpreted as CI-like material. Small lumps of matrix are present as clasts. Grain density measured on a 21 g sample is 3.68 g/cc.

Geochemistry: Olivine in the range Fa1.4-34.1 (mean Fa15.2±13.9, PMD=86%, N=8). Low-Ca pyroxene Fs13.1±14.0Wo2.1±1.8 (N=19). Ca-pyroxene Fs2.1±0.8Wo42.8±3.9 (N=5). Oxygen isotopic composition (J. Gattacceca, C. Sonzogni, CEREGE) from analysis of two acid-washed 1.5 mg aliquot of a powdered 150 mg bulk sample is δ17O=-0.21, -0.42, δ18O=2.22, 1.93, Δ17O=-1.38, -1.43, all per mil (linearized, slope 0.5247, analytical uncertainties 0.08‰, 0.12‰, 0.03‰ respectively). Magnetic susceptibility log χ (× 10-9 m3/kg) = 5.40.

Classification: Carbonaceous chondrite (CH3).

Specimens: 22 g and two polished sections at CEREGE. Main mass at MMC.

Data from:
  Table 0
  Line 0:
Origin or pseudonym:deflation surface
Date:2016 Apr 8
Mass (g):131 g
Weathering grade:minimal
Fayalite (mol%):15.2±13.9 (N=8)
Ferrosilite (mol%):13.1±14.0 (N=19)
Wollastonite (mol%):2.1±1.8
Magnetic suscept.:5.40
Classifier:J. Gattacceca, B. Devouard, CEREGE
Type spec mass (g):22
Type spec location:CEREGE
Main mass:MMC
Finder:Rodrigo Martinez
Comments:work name RM555; submitted by Jérôme Gattacceca
Plots: O isotopes:  
   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)
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)
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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     Recommended::   (24° 41'S, 69° 46'W)

     This is 1 of 2908 approved meteorites from Antofagasta, Chile (plus 10 unapproved names) (plus 1 impact crater)
     This is 1 of 2937 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)
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