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Northwest Africa 11172
Basic information Name: Northwest Africa 11172
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11172
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 51.5 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CK5
Recommended:  CK5    [explanation]

This is 1 of 162 approved meteorites classified as CK5.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 9 Mar 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11172 (NWA 11172)

(Northwest Africa)

Purchased: 2016

Classification: Carbonaceous chondrite (CK5)

History: The meteorite was bought in 2016 from a Moroccan meteorite dealer at a mineral fair in Hamburg, Germany.

Physical characteristics: Small greenish-gray individual lacking any fusion crust.

Petrography: The meteorite displays a light greenish interior and is composed of several clearly defined chondrules and rare CAIs set into abundant recrystallized matrix. Ferroan olivine is the most abundant mineral phase; more minor phases include feldspar, Ca-pyroxene and Cr-bearing magnetite. Metal was not detected.

Geochemistry: olivine: Fa32.7±0.1, n=12, FeO/MnO=110.3±13.2; Ca-pyroxene: Fs9.3±0.4Wo46.8±0.2, n=11

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Hamburg, Germany
Date:P 2016
Mass (g):51.5
Pieces:1
Class:CK5
Shock stage:S1
Weathering grade:low
Fayalite (mol%):32.7
Classifier:A. Greshake, MNB
Type spec mass (g):11.3
Type spec location:MNB
Main mass:Andreas Grünemeyer
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 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:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7374 approved meteorites from (Northwest Africa) (plus 1957 unapproved names)

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