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Los Vientos 189
Basic information Name: Los Vientos 189
     This is an OFFICIAL meteorite name.
Abbreviation: LoV 189
Observed fall: No
Year found: 2016
Country: Chile
Mass:help 69 kg
Meteoritical Bulletin:  MB 106  (2018)  Iron, IID-an
Recommended:  Iron, IID-an    [explanation]

This is 1 of 3 approved meteorites classified as Iron, IID-an.   [show all]
Search for other: IID irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 4 Sep 2017
Writeup from MB 106:

Los Vientos 189 (LoV 189)        ~24°41’S, ~69°46’W

Antofagasta, Chile

Find: 2016 Mar

Classification: Iron meteorite (IID-an)

History: The stone was found lying on the surface in the Atacama desert in March 2016.

Physical characteristics: A single flat shield-shaped mass with dimensions ~55 × 39 × 14 cm. Outer surface is brownish and shows some Widmanstätten-like patterns. Cut surface reveals an unweathered metallic interior.

Petrography: (J. Gattacceca, H. Pourkhorsandi, CEREGE): The etched section shows well-developed Widmanstätten patterns with kamacite bandwith 800 to 1200 μm, making it a medium octahedrite. Kamacite displays abundant Neumann bands. Zoned taenite grains are present. Plessite is found as comb plessite, and dark etching plessite.

Geochemistry: (J.T. Wasson, UCLA): INAA data, Ni = 109, Co = 6.50 (both mg/g), Cu = 240, Ga = 61, As = 5.04, W=2.95, Re=1939, Ir =18.9, Pt=23.7 Au = 0.498 (all μg/g).

Classification: Iron, IID-an. The Au content of this iron is 13% lower than that of other classified IID iron meteorites and extend the chemical trends with the lowest Au content. On most element-Au diagrams the metal compositions plot near an extrapolation towards a lower Au content. Co and W plot near an extrapolation, Ga and Ir plot about 30% lower than the extrapolated values, and Ni plots about 10% higher than the extrapolation. The high Co and Ga values are the strongest indicators of a relationship to IID.

Specimens: 23 g and a polished section at CEREGE. 500 mg sample used for INAA at UCLA. Main mass with ArtMet Collection.

Data from:
  Table 0
  Line 0:
Origin or pseudonym:deflation surface
Date:2016 Mar
Mass (g):69000
Class:Iron, IID-an
Weathering grade:minimal
Classifier:J. Gattacceca, H. Pourkhorsandi, CEREGE ; J.T. Wasson, UCLA
Type spec mass (g):23.5
Type spec location:CEREGE
Main mass:ArtMet collection, Poland
Comments:work name LM15; submitted by J. Gattacceca
   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)
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
ARTMET: Meteorites and Art, Poland (private address; updated 23 Feb 2018)
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 1387 approved meteorites from Antofagasta, Chile (plus 2 unapproved names) (plus 1 impact crater)
     This is 1 of 1414 approved meteorites from Chile (plus 8 unapproved names) (plus 1 impact crater)
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