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Northwest Africa 13055
Basic information Name: Northwest Africa 13055
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13055
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 114 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 335 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 10 Jan 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13055 (NWA 13055)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (LL3)

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

Physical characteristics: Brownish rock lacking any fusion crust.

Petrography: The meteorite shows a chondritic texture with mostly flattened and partly packed chondrules (mean diameter about 0.9 mm) in a fine-grained, strongly altered matrix that contains only few pristine FeNi metal grains.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019
Mass (g):114
Pieces:1
Class:LL3
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):15.7±10.6 (0.4-42.1, n=27)
Ferrosilite (mol%):11.0±6.9 (1.7-18.0, n=10)
Wollastonite (mol%):0.8±0.4 (0.3-1.3, n=10)
Magnetic suscept.:3.40
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
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. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7228 approved meteorites from (Northwest Africa) (plus 1998 unapproved names)

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