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Northwest Africa 10133
Basic information Name: Northwest Africa 10133
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10133
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 54.2 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 178 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 23 May 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10133 (NWA 10133)

(Northwest Africa)

Purchased: 2014 Apr

Classification: Lunar meteorite (feldspathic breccia)

History: Purchased in April 2014 by Sergey Vasiliev and Marc Jost from a dealer in Tan Tan, Morocco.

Physical characteristics: A group of many small beige to gray stones (total 54.2 g).

Petrography: (A. Irving and S. Kuehner, UWS) Following optical examination of all of the small stones constituting the type material, three representative stones were selected for detailed microprobe and bulk chemical analysis. Each specimen consists of small mineral clasts of anorthite, olivine, pigeonite, orthopyroxene, augite, subcalcic augite, forsterite, fayalite, silica polymorph, ilmenite, troilite, zircon (one grain >100 μm) and rare kamacite set within a fine grained vesicular matrix containing minor barite. Rare mare basalt lithic clasts are also present.

Geochemistry: Olivine (Fa6.0, FeO/MnO = 71; Fa22.7-29.9, FeO/MnO = 91-106, N = 2; Fa84.3-89.4, FeO/MnO = 88-99, N = 2), pigeonite (Fs24.6-31.9Wo11.4-6.5, FeO/MnO = 56-72, N = 3), orthopyroxene (Fs26.8-45.0Wo4.4-3.8, FeO/MnO = 61-73, N = 2), subcalcic augite (Fs22.0-48.5Wo25.1-33.0, FeO/MnO = 62-66, N = 3), augite (Fs13.1-38.5Wo44.5-39.6, FeO/MnO = 49-60, N = 2), plagioclase (An93.5-96.5Or0.4-0.1, N = 4). Bulk composition (R. Korotev, WUSL): mean abundances for three separate stones determined by INAA of subsamples are as follows: #A (in wt.%) FeO 5.1, Na2O 0.49; (in ppm) Sc 10.1, Cr 790, Ni 150, La 5.9, Sm 2.7 Eu 1.07, Yb 1.8, Lu 0.26, Hf 1.9, Th 0.9; #B (in wt.%) FeO 6.1, Na2O 0.50; (in ppm) Sc 12.0, Cr 930, Ni 290, La 10.0, Sm 4.6, Eu 1.15, Yb 3.2, Lu 0.44 Hf 4.0, Th 1.6; #D (in wt.%) FeO 5.5, Na2O 0.49; (in ppm) Sc 10.0, Cr 760, Ni 280, La 9.2, Sm 4.3, Eu 1.20, Yb 2.8, Lu 0.39, Hf 3.2, Th 1.4.

Classification: Lunar (feldspathic regolithic breccia). Despite the mineralogical and compositional heterogeneity among these small stones, we conclude that they are paired with Northwest Africa 8641, Northwest Africa 8682 and Northwest Africa 10077.

Specimens: 10.9 g including two polished pieces at UWB. The remaining material is held jointly by Mr. S. Vasiliev and Mr. M. Jost.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Tan Tan
Date:P 2014 Apr
Mass (g):54.2
Pieces:many
Class:Lunar (feldsp. breccia)
Shock stage:low
Weathering grade:low
Fayalite (mol%):6.0; 22.7-29.9; 84.3-89.4
Ferrosilite (mol%):24.6-31.9; 26.8-45.0; 22.0-48.5; 13.1-38.5
Wollastonite (mol%):11.4-6.5; 4.4-3.8; 25.1-33.0; 44.5-39.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):10.9
Type spec location:UWB
Main mass:S. Vasiliev/M. Jost
Comments:SVMJ14-2; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6968 approved meteorites from (Northwest Africa) (plus 2012 unapproved names)

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