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Northwest Africa 7985
Basic information Name: Northwest Africa 7985
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7985
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 560 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  LL3-5
Recommended:  LL3-5    [explanation]

This is 1 of 13 approved meteorites classified as LL3-5.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 16 Jun 2014
Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Sainte-Marie-aux-Mines Mineral Show
Date:P 28-June-2009
Mass (g):560
Pieces:1
Class:LL3-5
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):24.5±8.4 (N=69 for host), 29.8±0.8 (N=53 for LL5)
Ferrosilite (mol%):17.2±7.5 (N=62 for host), 24.5±0.8 (N=22 for LL5)
Wollastonite (mol%):1.6±2.2 (N=62 for host), 1.6±0.3 (N=22 for LL5)
Classifier:A. Miki, T. Noguchi, and M. Kimura, Ibaraki
Type spec mass (g):23.6
Type spec location:NMNS
Main mass:HM
Comments:Genomict breccia including LL5 clasts. The LL3 host is a mixture between brecciated and unbrecciated lithologies. The LL3 host contains large chondrules (0.8mm) and abundant troilite with small amount of metal.; submitted by Makoto Kimura
Institutions
   and collections		 NMNS: National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki 305-0005, JAPAN, Japan; Website (institutional address; updated 16 Jun 2014)
Ibaraki: Department of Materials and Biological Sciences, Institute of Astrophysics and Planetary Science, Ibaraki University, 2-1-1 Bunkyo, Mito 310-8512, Japan (institutional address; updated 27 Feb 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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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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