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Northwest Africa 11702
Basic information Name: Northwest Africa 11702
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11702
Observed fall: No
Year found: 2017
Country: Mauritania
Mass:help 33 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2790 approved meteorites (plus 1 unapproved name) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 24 Feb 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11702 (NWA 11702)

Mauritania

Purchased: 2017 Sep

Classification: Ordinary chondrite (LL6)

History: Purchased by Jason Bliss in September 2017 from a Mauritanian dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia consisting of closely packed clasts with rare remnant chondrules in a dominant recrystallized, poikiloblastic matrix containing stained metal and chlorapatite.

Geochemistry: Olivine (Fa29.7-30.0, N = 3), orthopyroxene (Fs22.9-23.6Wo2.7-3.9, N = 3), clinopyroxene (Fs10.6-11.4Wo42.5-42.2, N = 2).

Classification: Ordinary chondrite (LL6 breccia).

Specimens: 8.4 g including one polished thin section at UWB; remainder with Mr. J. Bliss.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2017 Sep
Mass (g):33
Pieces:1
Class:LL6
Shock stage:S2
Weathering grade:W0/1
Fayalite (mol%):29.7-30.0
Ferrosilite (mol%):22.9-23.6
Wollastonite (mol%):2.7-3.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):8.4
Type spec location:UWB
Main mass:J. Bliss
Comments:Work name JB17-1; 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)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
Find references in NASA ADS:
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Geography:

Mauritania
Coordinates:Unknown.

Statistics:
     This is 1 of 127 approved meteorites from Mauritania (plus 1 unapproved name) (plus 2 impact craters)

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