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Northwest Africa 5700
Basic information Name: Northwest Africa 5700
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5700
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 199.2 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  LL3-6
Recommended:  LL3-6    [explanation]

This is 1 of 28 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 24 Nov 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 5700 (NWA 5700)

(Northwest Africa)

Purchased: 2008

Classification: Ordinary chondrite (LL3-6)

Petrography: Chondritic breccia with LL3 to LL6 clasts in a fine-grained clastic matrix. Plagioclase grain size in LL5 clasts is ~30 μm and in LL6 clasts ~80 μm.

Geochemistry: Olivine in equilibrated lithologies, Fa27.9±0.2, n=12; low-Ca pyroxene in equilibrated lithologies Fe23.7±0.3Wo1.6±0.1, n=12. Olivine in type 3 lithology, Fa16.7±9.1 (Fa0.8-30.2, n=42); low-Ca pyroxene in type 3 lithology, Fs12.8±7.9Wo1±0.6 (Fs4.1-25.5Wo0.2-2.2), n=21.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Agadir, Morocco
Date:P 2008
Mass (g):199.2
Pieces:1
Class:LL3-6
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):16.7±9.1 (0.8-30.2, n=42); 27.9±0.2 (n=12)
Ferrosilite (mol%):12.8±7.9 (4.1-25.5, n=21); 23.7±0.3 (n=12)
Wollastonite (mol%):1±0.6 (0.2-2.2, n=21); 1.6±0.1 (n=12)
Classifier:A. Greshake, MNB
Type spec mass (g):20.8
Type spec location:MNB
Main mass:André Knoefel
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
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
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
André Knöfel   
Dirk Hohmann   
Mirko Graul   
Geography: 
Coordinates:Unknown.

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

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