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Northwest Africa 13155
Basic information Name: Northwest Africa 13155
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13155
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 472 g
Classification
  history:
Recommended:  Ureilite    [explanation]

This is 1 of 531 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 17 Feb 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13155 (NWA 13155)

(Northwest Africa)

Purchased: 2019 Sept

Classification: Ureilite

Petrography: (J. Gattacceca, CEREGE) Blocky aggregate of mm-sized olivine grains. Fe,Ni metal present at grain junctions, and as trails of μm-sized blebs in silicates. Abundant carbon material at grain junction as pockets up to 500 μm × 100 μm.

Geochemistry: Olivine Fa21.5±0.1, CaO=0.40 wt%; Cr2O3=0.70 wt% (n=3). Olivine rims Fa13.3-16.4.

Classification: Ureilite

Specimens: Type specimen at CEREGE, main mass with Labenne

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019 Sept
Mass (g):472
Pieces:1
Class:Ureilite
Weathering grade:moderate
Fayalite (mol%):21.5±0.1 (n=3)
Magnetic suscept.:4.64
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):27
Type spec location:CEREGE
Main mass:Labenne
Comments:work name LL87/LAB031219a; submitted by Jérôme Gattacceca
Institutions
   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)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7354 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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