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Northwest Africa 7130
Basic information Name: Northwest Africa 7130
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7130
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 242 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  LL3
Recommended:  LL3    [explanation]

This is 1 of 343 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 10 Dec 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 7130 (NWA 7130)

(Northwest Africa)

Purchased: 2011 Sep

Classification: Ordinary chondrite (LL3)

History: Purchased by Gary Fujihara in September 2011 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Fairly closely packed, well-formed, relatively large chondrules (apparent diameter 1.2±0.8 mm, some with thin opaque rims)are set in a finer grained matrix.

Geochemistry: Olivine (Fa1.9-81.6; Cr2O3 in ferroan examples is 0.02-0.27 wt.%, mean 0.11±0.10 wt.%, N = 8), orthopyroxene (Fs12.0-24.3Wo2.8-1.3, N = 3), clinopyroxene (Fs8.9-12.0Wo41.8-39.0, N = 2)

Classification: Ordinary chondrite (LL3).

Specimens: 20 g including one polished thin section at UWB; the remainder is held by Mr. G. Fujihara.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2011 Sep
Mass (g):242
Pieces:2
Class:LL3
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):1.9-81.6
Ferrosilite (mol%):12.0-24.3
Wollastonite (mol%):2.8-1.3
Magnetic suscept.:4.42
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWB
Main mass:G. Fujihara
Comments:GF11-18; 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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Photos:
CreditPhotos
Public domain photographs:
Gary Fujihara   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7354 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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