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Northwest Africa 11183
Basic information Name: Northwest Africa 11183
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11183
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 127 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 263 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 28 Mar 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11183 (NWA 11183)

(Northwest Africa)

Purchased: 2016

Classification: HED achondrite (Eucrite, monomict)

History: Purchased by Dustin Dickens in 2016 from a Moroccan dealer.

Physical characteristics: Single stone, partial fusion crust. A saw cut reveals a fragmental breccia with clasts up to 3 mm, set in a blue-gray groundmass.

Petrography: (C. Agee, UNM) This meteorite consists of approximately 70% pyroxene and 20% plagioclase, there are fragmental pyroxene grains throughout. Accessory chromite, troilite, silica, clinopyroxene and Fe-metal were observed.

Geochemistry: (C. Agee and M. Spilde, UNM) Low Ca pyroxene Fs39.2±2.0Wo2.9±0.9, Fe/Mn=33±2, n=11; plagioclase An88.9±1.3, n=5.

Classification: Monomict cumulate eucrite

Specimens: 20.5 g including a probe mount on deposit at UNM, Dustin Dickens holds the main mass.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2016
Mass (g):127
Pieces:1
Class:Eucrite-mmict
Shock stage:high
Weathering grade:low
Ferrosilite (mol%):39.2±2.0
Wollastonite (mol%):2.9±0.9
Classifier:C. Agee, UNM
Type spec mass (g):20.5
Type spec location:UNM
Main mass:Dustin Dickens
Comments:Submitted by C. Agee
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
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 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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