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Northwest Africa 5695
Basic information Name: Northwest Africa 5695
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5695
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 28 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  LL3-6
Recommended:  LL3-6    [explanation]

This is 1 of 31 approved meteorites classified as LL3-6.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 31 Mar 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 5695 (NWA 5695)

(Northwest Africa)

Purchased: 2005

Classification: Ordinary chondrite (LL3-6)

Petrography: The meteorite is a chondritic breccia composed of LL3 to LL6 clasts set into a fine-grained clastic matrix. LL3 and LL4 clasts show perfect chondritic textures with clearly defined chondrules about 1 mm in diameter. Plagioclase grain size in LL5 clasts is about 30 µm and in LL6 clasts about 80 µm.

Geochemistry: Olivine and pyroxene in LL3 clasts are highly unequilibrated with Fa23.8±9.3 (1.0-32.4, n=25) and Fs15.4±6.4Wo1.0±0.7 (Fs1.8-25.1Wo0.2-2.8, n=28). In LL5 and LL6 clasts olivine and pyroxene are equilibrated at Fa29.8±0.4, n=15 and Fs24.4±0.4Wo0.7±0.4, n=27.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2005
Mass (g):28
Pieces:1
Class:LL3-6
Shock stage:S4
Weathering grade:W1
Fayalite (mol%):23.8±9.3 (1.0-32.4, n=25); 29.8±0.4 (n=15)
Ferrosilite (mol%):15.4±6.4 (1.8-25.1, n=28); 24.4±0.4 (n=27)
Wollastonite (mol%):1.0±0.7 (0.2-2.8, n=28); 0.7±0.4 (n=27)
Classifier:A. Greshake, MNB
Type spec mass (g):5.8
Type spec location:MNB
Main mass:Fabien Kuntz
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Kuntz: Fabien Kuntz, France; Website (private address)
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:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Krzysztof Nowak   
Michael S. Scherman      
Mike Markowitz   
Ryan Upchurch   
The Wilcox Collection of Meteorites      
xeqtr      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8138 approved meteorites from (Northwest Africa) (plus 1941 unapproved names)

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