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Los Vientos 368
Basic information Name: Los Vientos 368
     This is an OFFICIAL meteorite name.
Abbreviation: LoV 368
Observed fall: No
Year found: 2018
Country: Chile
Mass:help 1060 g
Classification
  history:
Recommended:  LL4-6    [explanation]

This is 1 of 69 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 2 May 2020
Writeuphelp
Writeup from MB 109:

Los Vientos 368 (LoV 368)        24º36.427’S, 69º51.355’W

Antofagasta, Chile

Find: 2018 Jan 5

Classification: Ordinary chondrite (LL4-6)

History: Marc Jost found the sample on January 5, 2018, during a meteorite hunt in the Los Vientos dense collection area of the Atacama Desert in Chile.

Physical characteristics: The sample is a complete stone ~50% covered by a dull black, contraction-cracked, flow-lined fusion crust. The surface of the sample has experienced significant wind damage while in residence on the desert pavement. The cut face shows the interior has a brecciated texture composed of chondrules, fresh metal grains and angular clasts.

Petrography: Description and classification (A. Love, App) Sample is a breccia composed of chondrules, fragments and sparse recrystallized lithic clasts set within a clastic host. Chondrules average diameter of 754 μm (n=20). Secondary plagioclase has an average length of 50 μm (n=53). Clinoenstatite is present. Type 4 lithic clasts show distinct chondrules and twinned clinoenstatite in a recrystallized matrix. Type 6 clasts are thoroughly recrystallized and lack chondrules. Additional minerals are: phosphates, ilmenite, chromite, high Ca pyroxene, troilite.

Geochemistry: (A.Love-App) Olivine (Fa28.0±0.5, Fe/Mn=52.5±2.1 n=10); low Ca pyroxene (Fs18.1±5.0Wo0.9±-0.8 (Fs7.6-24.7Wo0.2-2.3), Fe/Mn32.8, n=11).

Classification: Ordinary Chondrite (LL4-6, C-S3, W2). Based on chondrule size, magnetic susceptibility and compositions of olivine and pyroxene, sample is an LL chondrite. Equilibrated olivine and unequilibrated pyroxenes in host and one clast indicate type 4. Recrystallized texture and grainsize of secondary plagioclase in lithic clasts indicate type 6. May be paired with LV360 (found 450 m away).

Specimens: Marc Jost (SJS) holds the main mass. 2 sliced fragments weighing a total of 23.54 g and a polished mount and thin section are on deposit at App.

Data from:
  MB109
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Date:2018 Jan 5
Latitude:24º36.427'S
Longitude:69º51.355'W
Mass (g):1059.8
Pieces:1
Class:LL4-6
Shock stage:C-S3
Weathering grade:W2
Fayalite (mol%):28.0±0.5
Ferrosilite (mol%):18.1±5.0
Wollastonite (mol%):0.9±0.8
Magnetic suscept.:4.11
Classifier:A. Love, App
Type spec mass (g):23.54
Type spec location:App
Main mass:Marc Jost (SJS)
Finder:Marc Jost
Comments:may be paired with LV360.; submitted by Anthony Love
Institutions
   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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography:

Chile
Coordinates:
     Recommended::   (24° 36' 26"S, 69° 51' 21"W)

Statistics:
     This is 1 of 1771 approved meteorites from Antofagasta, Chile (plus 5 unapproved names) (plus 1 impact crater)
     This is 1 of 1799 approved meteorites from Chile (plus 11 unapproved names) (plus 1 impact crater)
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