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Northwest Africa 12876
Basic information Name: Northwest Africa 12876
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12876
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 2.23 kg
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  L5-melt breccia
Recommended:  L5-melt breccia    [explanation]

This is 1 of 31 approved meteorites classified as L5-melt breccia.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Oct 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12876 (NWA 12876)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (L5, melt breccia)

History: The meteorite was purchased from a Morrocan meteorite dealer on the meteorite fair in Ensisheim, France.

Physical characteristics: Seven brownish rocks with some fusion crust.

Petrography: The meteorite is a melt breccia composed of L5 chondritic regions with several recognizable chondrules (plagioclase grain size about 40 μm) and abundant up to 1 cm wide recrystallized shock melt veins and pockets with characteristic FeNi metal and sufide spherules.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Ensisheim, France
Date:P 2019
Mass (g):2230
Pieces:7
Class:L5-melt breccia
Shock stage:S4
Weathering grade:W1
Fayalite (mol%):24.1±0.2 (n=12)
Ferrosilite (mol%):21.1±0.4 (n=11)
Wollastonite (mol%):1.3±0.2 (n=11)
Classifier:A. Greshake, MNB
Type spec mass (g):30.8
Type spec location:MNB
Main mass:Harald Stehlik
Comments:Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Stehlik: Harald Stehlik, 1220 Wien, Austria (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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