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Northwest Africa 11920
Basic information Name: Northwest Africa 11920
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11920
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 4 g
Classification
  history:
Recommended:  H5-melt breccia    [explanation]

This is 1 of 20 approved meteorites classified as H5-melt breccia.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 Sep 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11920 (NWA 11920)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (H5, melt breccia)

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

Physical characteristics: Two small black individuals lacking any fusion crust.

Petrography: The meteorite is strongly brecciated and composed of recrystallized shock melt regions, relict mineral fragments and some preserved clasts (type 5). No pyroxene has been found in the thin section studied.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2018
Mass (g):4
Pieces:2
Class:H5-melt breccia
Shock stage:S4
Weathering grade:W2
Fayalite (mol%):20.9±0.3 (n=12)
Magnetic suscept.:4.92
Classifier:A. Greshake, MNB
Type spec mass (g):0.82
Type spec location:MNB
Main mass:Said Yousfi
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:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Said Yousfi   
Geography: 
Coordinates:Unknown.

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

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