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Northwest Africa 12862
Basic information Name: Northwest Africa 12862
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12862
Observed fall: No
Year found: 2018
Country: Algeria
Mass:help 3.17 kg
Classification
  history:
Recommended:  Pallasite    [explanation]

This is 1 of 50 approved meteorites classified as Pallasite.   [show all]
Search for other: Metal-rich meteorites, Pallasites
Comments: Approved 11 Oct 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12862 (NWA 12862)

Algeria

Purchased: 13 Aug 2018

Classification: Pallasite

History: Purchased on 13 August 2018 by Chalom Malka from Naji C. in Boujdour, Morocco.

Physical characteristics: Dark-brown stones with a weathered rind.

Petrography: (D. Sheikh, FSU) 4-5 mm fractured olivine grains set in a heavily weathered matrix of iron oxides and near absent FeNi metal.

Geochemistry: (D. Sheikh, FSU) Olivine (Fa13.1±0.3, range Fa12.4-13.8, n=14).

Classification: Pallasite

Specimens: 20.67 grams at UCLA; main mass with Chalom Malka.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 13 Aug 2018
Mass (g):3166
Pieces:41
Class:Pallasite
Shock stage:low
Weathering grade:high
Fayalite (mol%):13.1±0.3 (12.4-13.8, n=14)
Classifier:D. Sheikh, FSU
Type spec mass (g):20.67
Type spec location:UCLA
Main mass:Chalom Malka
Comments:Submitted by Daniel Sheikh
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
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Photos:
CreditPhotos
Public domain photographs:
Daniel Sheikh   
Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 979 approved meteorites from Algeria (plus 26 unapproved names) (plus 4 impact craters)

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