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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 33 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; updated 24 Dec 2011)
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 Photo added 19 Apr 2022
Dirk Hohmann Photo added 19 Apr 2022
Mirko Graul Photo added 19 Apr 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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