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Los Vientos 363
Basic information Name: Los Vientos 363
     This is an OFFICIAL meteorite name.
Abbreviation: LoV 363
Observed fall: No
Year found: 2019
Country: Chile
Mass:help 14 g
Recommended:  L5    [explanation]

This is 1 of 7220 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 21 Mar 2020
Writeup from MB 109:

Los Vientos 363 (LoV 363)        24°38.659’S, 69°52.231’W

Antofogasta, Chile

Find: 4 Nov 2019

Classification: Ordinary chondrite (L5)

History: One fragment of meteorite (14 g) was found 4 November 2019 by the KFU meteorite expedition-2019 in Chile (Nurgaliev D., Kuzina D., Kuzin D., Pastukhovich A.).

Physical characteristics: Total mass is 14.0 g. The meteorite has roughly rounded shape. Exterior of the stone is desert polished. The surface and interior of the meteorite is light to dark brown in color due to Fe-hydroxides. No fusion crust was observed.

Petrography: (Kseniya Dugushkina, RAS-UB) The meteorite has a dark-brown color. The meteorite consists mainly of a fine-grained, inequigranular, recrystallized matrix; chondrules make up 20% of the volume. Predominant porphyritic olivine (PO) and porphyritic olivine-pyroxene (POP) chondrules. Chondrules have vague boundaries. Chromite-plagioclase assemblages are found in recrystallized matrix. The assemblages range in size from 10-450 µm and consist of 0.2-30-µm rounded and euhedral chromite grains surrounded by plagioclase. Heavy oxidation of metal and troilite, 60-95% being replaced (W3). Shock stage is S1.

Geochemistry: EDX analyses by Kseniya Dugushkina, RAS-UB. The chondrite paragenesis includes olivine Fa25.2±0.8 (N=27), orthopyroxene En77.8±0.3Fs20.6±0.3Wo1.6±0.3 (N=22), clinopyroxene En47.4±1.2Fs8.8±1.1Wo43.8±1.4 (N=9), plagioclase An26.8±1.9 (N=16), chromite, apatite, troilite, taenite (Ni 27.9-35.9%) and kamacite (Ni 6.3-6.4%). The average composition of chromite (N=5): Cr2O3 56.6±0.9 wt%, FeO 30.1±1.1 wt%, MgO 2.7±0.4 wt%, Al2O3 6.7±0.4 wt%, TiO2 2.5±0.5 wt%, MnO 0.7±0.1 wt%, SiO2 0.5±0.2 wt%.

Classification: Ordinary chondrite, L5.

Specimens: 12.39g 1 sample and 1.61 g cut-off and thin section UrFU

Data from:
  Table 0
  Line 0:
Origin or pseudonym:Limestone deflation plain
Date:4 Nov 2019
Mass (g):14
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):25.2±0.8 (N=27)
Ferrosilite (mol%):20.6±0.3 (N=22)
Wollastonite (mol%):1.64±0.25 (N=22)
Classifier:K. Dugushkina (RAS-UB)
Type spec mass (g):14
Type spec location:UrFU
Main mass:UrFU
Finder:Mr. A. Pastukhovich, KFU meteorite expedition - Chile-2019 (Nurgaliev D., Kuzina D., Kuzin D., Pastukhovich A.).
Comments:Field name Past1; submitted by Kseniya Dugushkina (UB-RAS).; submitted by Kseniya Dugushkina (RAS-UB) dugushkina.kseniya@mail.ru
   and collections
UrFU: Ural Federal University, 620002, 19 Mira street, Ekaterinburg, Russia (institutional address; updated 14 Jan 2015)
RAS-UB: Zavaritsky Institute of Geology and Geochemistry Russian Academy of Sciences, Ural Branch 15 Akademika Vonsovskogo str., Ekaterinburg, 620016, Russia (institutional address; updated 19 Apr 2018)
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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     Recommended::   (24° 38' 40"S, 69° 52' 14"W)

     This is the only approved meteorite from Antofogasta, Chile
     This is 1 of 2109 approved meteorites from Chile (plus 12 unapproved names) (plus 1 impact crater)
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