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Northwest Africa 12288
Basic information Name: Northwest Africa 12288
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12288
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 29 g
Classification
  history:
Recommended:  Pallasite    [explanation]

This is 1 of 51 approved meteorites classified as Pallasite.   [show all]
Search for other: Metal-rich meteorites, Pallasites
Comments: Approved 11 Dec 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 12288 (NWA 12288)

(Northwest Africa)

Purchased: 2017

Classification: Pallasite

History: The meteorite was purchased from a local meteorite dealer in Morocco.

Physical characteristics: Many up to 1 cm sized brownish fragments without fusion crust.

Petrography: The meteorite is composed of about 5 mm sized subrounded olivine grains surrounded by a matrix of partly layered brownish iron oxides or hydroxides. No pristine FeNi-metal has been found in the two fragments studied.

Geochemistry: olivine: Fa12.6-13.2, FeO/MnO: 38-48

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017
Mass (g):29
Pieces:many
Class:Pallasite
Shock stage:S1
Weathering grade:strong
Fayalite (mol%):12.9±0.2 (n=12)
Classifier:A. Greshake, MNB
Type spec mass (g):5.8
Type spec location:MNB
Main mass:Vincent Gira
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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