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Northwest Africa 10220
Basic information Name: Northwest Africa 10220
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10220
Observed fall: No
Year found: 2015
Country: Morocco
Mass:help 149.6 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  LL3
Recommended:  LL3    [explanation]

This is 1 of 347 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 28 Jun 2015
Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Tucson Show
Date:Unknown
Mass (g):149.6
Pieces:1
Class:LL3
Shock stage:S1
Weathering grade:W4
Fayalite (mol%):27.2±8.1 (n=17)
Ferrosilite (mol%):13.2±8.1
Wollastonite (mol%):0.6±0.4 (n=10)
Classifier:A. Rubin, J. Breen, UCLA
Type spec mass (g):21.03
Type spec location:UCLA
Main mass:Sean Tutorow
Comments:There is a large peak in the olivine Fa histogram at Fa31-32. Many of the low-Ca pyx phenocrysts in the chondrules exhibit polysynthetic twinning. Chondrules are very sharp and have a mean size of ~600 µm.; submitted by Sean Tutorow
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1522 approved meteorites from Morocco (plus 22 unapproved names) (plus 1 impact crater)

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