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Northwest Africa 2845
Basic information Name: Northwest Africa 2845
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2845
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 546 g
Classification
  history:
Meteoritical Bulletin:  MB 90  (2006)  H4
Recommended:  H4    [explanation]

This is 1 of 6389 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 Feb 2005
Data from:
  MB90
  Table 2
  Line 131:
Place of purchase:Erfoud, Morocco
Date:2004
Mass (g):546
Pieces:1
Class:H4
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):17.5
Ferrosilite (mol%):16
Classifier:J. Wittke and T. Bunch
Type spec mass (g):37
Type spec location:NAU
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 90, MAPS 41, 1383-1418 (2006)
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)
David L. Ribeca Photo added 20 Oct 2022
Franco Vignato Photo added 20 Oct 2022
Gerald Armstrong Photo added 20 Oct 2022
Jean-Michel Masson Photo added 20 Oct 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8777 approved meteorites from (Northwest Africa) (plus 1879 unapproved names)

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