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Northwest Africa 13394
Basic information Name: Northwest Africa 13394
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13394
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 480 g
Classification
  history:
Recommended:  LL6-melt breccia    [explanation]

This is 1 of 11 approved meteorites classified as LL6-melt breccia.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 5 Sep 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13394 (NWA 13394)

(Northwest Africa)

Purchased: 2020

Classification: Ordinary chondrite (LL6, melt breccia)

History: The meteorite was purchased from a meteorite dealer in Smara, West Sahara.

Physical characteristics: Eleven dark brownish fragments without fusion crust.

Petrography: The meteorite is a breccia composed of recrystallized melt regions and few chondritic clasts with sparse relict chondrules. Predominant phase include olivine, low-Ca pyroxene, Ca-pyroxene, sodic and sometimes exsolved plagioclase (grain size about 60 µm), metal, and FeS. Metal and sulfides often form blebs. Olivine shows strong mosaicism.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Smara, West Sahara
Date:P 2020
Mass (g):480
Pieces:11
Class:LL6-melt breccia
Shock stage:S4
Weathering grade:W1
Fayalite (mol%):32.8±0.2 (n=12)
Ferrosilite (mol%):26.4±0.3 (n=10)
Wollastonite (mol%):1.7±0.2 (n=10)
Magnetic suscept.:3.77
Classifier:A. Greshake, MNB
Type spec mass (g):31
Type spec location:MNB
Main mass:anonymous
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 7385 approved meteorites from (Northwest Africa) (plus 1955 unapproved names)

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