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Los Vientos 360
Basic information Name: Los Vientos 360
     This is an OFFICIAL meteorite name.
Abbreviation: LoV 360
Observed fall: No
Year found: 2018
Country: Chile
Mass:help 278 g
Recommended:  LL4-6    [explanation]

This is 1 of 78 approved meteorites classified as LL4-6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 5 Feb 2020
Writeup from MB 109:

Los Vientos 360 (LoV 360)        24°36.28’S, 69°51.37’W

Antofagasta, Chile

Find: 2018 Jan 25

Classification: Ordinary chondrite (LL4-6)

History: Marc Jost found two large pieces and several smaller fragments within 1 m2 area while hunting for meteorites on the desert pavement in the Atacama Desert. The total known weight of the samples collected is 277.5 g.

Physical characteristics: Fragments have rounded, irregularly shaped exteriors showing dark brown contraction-cracked fusion crust. Some fragments contain an orange coating of caliche. The cut face of the type specimen shows the sample has a light-colored, brecciated texture composed of a few chondrules, fragments and angular clasts.

Petrography: Description and classification (A. Love, App) Sample is a breccia composed of mm-sized, angular-sub-rounded clasts set within a host of poorly equilibrated chondrules and related mineral debris. Clasts show show a range of petrologic types from 4-6 in addition to a vitrophyric impact melt clast. Chondrules within the type 4 clast contain clinoenstatite and some show sulfide rims. Secondary plagioclase in recrystallized clasts has an average grainsize of 77 μm, n=14.

Geochemistry: (A.Love-App): Olivine (Fa27.7±0.8, Fe/Mn=54.0±0.8 n=8); low Ca pyroxene Fs16.1±7.4Wo 0.9±0.6 (Fs7.2-24.8Wo0.5-1.5, n=8).

Classification: Ordinary chondrite (LL4-6, C-S3 W1). LL chondrite based on olivine and pyroxene compositions, chondrule diameter and magnetic susceptibility. Clasts of type 4 based on poorly equilibrated compositions of pyroxenes and type 6 based on recrystallized textures and size of secondary plagioclase.

Specimens: Marc Jost (SJS) holds the main masses. Several fragments and an end cut weighing 25.57 g and a polished thin section are on deposit at App.

Data from:
  Table 0
  Line 0:
Date:2018 Jan 25
Mass (g):277.5
Shock stage:C-S3
Weathering grade:W2
Fayalite (mol%):27.7±0.8
Ferrosilite (mol%):16.1±7.4
Wollastonite (mol%):0.9±0.6
Magnetic suscept.:4.11
Classifier:A. Love, App
Type spec mass (g):25.57
Type spec location:App
Main mass:Marc Jost (SJS)
Finder:Marc Jost
Comments:Submitted by Anthony Love
   and collections
App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013)
SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010)
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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     Recommended::   (24° 36' 17"S, 69° 51' 22"W)

     This is 1 of 2310 approved meteorites from Antofagasta, Chile (plus 8 unapproved names) (plus 1 impact crater)
     This is 1 of 2339 approved meteorites from Chile (plus 15 unapproved names) (plus 1 impact crater)
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