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Northwest Africa 10574
Basic information Name: Northwest Africa 10574
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10574
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 324 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  CM2
Recommended:  CM2    [explanation]

This is 1 of 533 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 26 Mar 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10574 (NWA 10574)

(Northwest Africa)

Purchased: 2016

Classification: Carbonaceous chondrite (CM2)

History: Many small meteorite fragments were bought in 2016 from the Moroccan meteorite dealer Hamza Lharbi in Guelmim, Morocco.

Petrography: The meteorite shows an almost black interior and is composed of about 0.1-0.3 mm chondrules, chondrule pseudomorphs, mineral fragments and rare CAIs often surrounded by fine-grained accretionary rims set into an abundant fine-grained matrix. Main matrix phases are phyllosilicates, carbonates, and pyrrhotite.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Guelmim, Morocco
Date:P 2016
Mass (g):324
Pieces:many
Class:CM2
Shock stage:S1
Weathering grade:low
Fayalite (mol%):21.8±15.5 (0.9-61.9, n=50)
Ferrosilite (mol%):1.3±0.4 (0.9-2.7, n=22)
Wollastonite (mol%):1.3±0.9 (0.8-4.4, n=22)
Classifier:A. Greshake, MNB
Type spec mass (g):20.4
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Denis gourgues                  
Philippe Geniez      
UFSCar Observatory   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6984 approved meteorites from (Northwest Africa) (plus 2008 unapproved names)

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