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Northwest Africa 10995
Basic information Name: Northwest Africa 10995
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10995
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 10.75 kg
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  L4
Recommended:  L4    [explanation]

This is 1 of 2062 approved meteorites (plus 5 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 Dec 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10995 (NWA 10995)

(Northwest Africa)

Purchased: 2015

Classification: Ordinary chondrite (L4)

History: Purchased by Jay Piatek from Morocco, 2015.

Physical characteristics: Weathered exterior. A broken surface reveals some chondrules set in a dark-colored groundmass.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows numerous distinct chondrules, fine-grained plagioclase present.

Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa24.7±0.3, Fe/Mn=48±1, n=15; low-Ca pyroxene Fs19.4±3.2Wo0.8±0.7, Fe/Mn=30±5, n=14.

Classification: Ordinary chondrite (L4).

Specimens: 34.29 g including a probe mount on deposit at UNM, Jay Piatek holds the main mass.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2015
Mass (g):10750
Pieces:1
Class:L4
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):24.7±0.3
Ferrosilite (mol%):19.4±3.2
Wollastonite (mol%):0.8±0.7
Classifier:C. Agee, UNM
Type spec mass (g):34.29
Type spec location:UNM
Main mass:Jay Piatek
Comments:Fieldname JP-26; 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 Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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