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Northwest Africa 11222
Basic information Name: Northwest Africa 11222
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11222
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 121 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CV3
Recommended:  CV3    [explanation]

This is 1 of 536 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 3 May 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11222 (NWA 11222)

(Northwest Africa)

Purchased: 2016

Classification: Carbonaceous chondrite (CV3)

History: The meteorite was bought in 2016 from a meteorite dealer in Erfoud, Morocco.

Physical characteristics: Dark-browish individual without fusion crust.

Petrography: Carbonaceous chondrite composed of up to 2.5 mm sized chondrules, CAIs and olivine amoeboids all set into a fine-grained almost black matrix. Type II chondrules are absent. Many chondrules show reddish staining due to terrestrial weathering.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2016
Mass (g):121
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):7.1±10.2 (0.9-50.8, n=36)
Ferrosilite (mol%):1.4±0.5 (0.9-2.9, n=14)
Wollastonite (mol%):1.2±0.2 (0.9-1.7, n=14)
Classifier:A. Greshake, MNB
Type spec mass (g):22
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 Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7320 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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