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Los Vientos 266
Basic information Name: Los Vientos 266
     This is an OFFICIAL meteorite name.
Abbreviation: LoV 266
Observed fall: No
Year found: 2017
Country: Chile
Mass:help 219 g
Classification
  history:
Recommended:  H3.15    [explanation]

This is 1 of 2 approved meteorites classified as H3.15.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 17 Feb 2019
Writeuphelp
Writeup from MB 108:

Los Vientos 266 (LoV 266)        24°39.972’S, 69°55.608’W

Antofagasta, Chile

Find: 2017 Feb 20

Classification: Ordinary chondrite (H3.15)

History: Found by driving in a plain while meteorite prospecting with a six-person team.

Petrography: Olivine Fa17.2±10.0, Fa PMD=49%, range Fa1.8-38.7 (n=17). Cr2O3 in ferroan olivine 0.24±0.14 (n=16). Orthopyroxene Fs12.3±7.4Wo0.8±0.5 (n=11). Based on the structural order of the polyaromatic matter assessed by Raman spectroscopy (Lydie Bonal, IPAG), this meteorite appears as metamorphosed as Bishunpur (type 3.15). The Raman spectroscopy parameters of interest are FWHM-D (cm-1)=175.2±11.7, ID/IG=1.00±0.02, N=7 (see Bonal et al. 2016, figure 6).

Geochemistry: Chondrite with well-delineated chondrules (average apparent diameter 400±260, n=26) set in a fine-grained matrix (19 vol% by point counting, n=149). Opaques are FeNi metal and sulfides. Metal is present as blebs in the matrix up to 600 μm.

Classification: Ordinary chondrite (H3.15). Ordinary chondrite based on mineralogy, matrix abundance. H based on magnetic susceptibility (interpreted in the light of the weatherig grade W2) and chondrule size. Subtype 3.15 based on Raman spectroscopy and the Cr2O3 content of ferroan olivine.

Specimens: Type specimen at CEREGE. Main mass with Sergey Vasiliev.

Bibliography:
  • Bonal L., Quirico E., Flandinet L., and Montagnac G. (2016) Thermal history of type 3 chondrites from the Antarctic meteorite collection determined by Raman spectroscopy of their polyaromatic carbonaceous matter. Geochim. Cosmochim. Acta 189 312-337. (link)
Data from:
  MB108
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Origin or pseudonym:Gravel pediment
Date:2017 Feb 20
Latitude:24°39.972'S
Longitude:69°55.608'W
Mass (g):218.6
Pieces:1
Class:H3.15
Weathering grade:W2
Fayalite (mol%):17.2±10.0 (n=17)
Ferrosilite (mol%):12.3±7.4 (n=11)
Wollastonite (mol%):0.8±0.5
Magnetic suscept.:4.87
Classifier:L. Krämer Ruggiu., J. Gattacceca CEREGE
Type spec mass (g):26.5
Type spec location:CEREGE
Main mass:Sergey Vasiliev
Finder:Thomas Kurtz
Comments:work name ST06; 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)
Kurtz: Th. and P. Kurtz, Hannover, Germany; Website (private address)
IPAG: Institut de Planétologie et d’Astrophysique de Grenoble 414, Rue de la Piscine Domaine Universitaire 38400 St-Martin d’Hères , France (institutional address; updated 1 Aug 2013)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
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Geography:

Chile
Coordinates:
     Recommended::   (24° 39' 58"S, 69° 55' 36"W)

Statistics:
     This is 1 of 1379 approved meteorites from Antofagasta, Chile (plus 2 unapproved names) (plus 1 impact crater)
     This is 1 of 1406 approved meteorites from Chile (plus 8 unapproved names) (plus 1 impact crater)
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