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Northwest Africa 10090
Basic information Name: Northwest Africa 10090
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10090
Observed fall: No
Year found: 2013
Country: Morocco
Mass:help 134.4 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  H3
Recommended:  H3    [explanation]

This is 1 of 594 approved meteorites (plus 2 unapproved names) classified as H3.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 17 Apr 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10090 (NWA 10090)

Morocco

Purchased: Jul 2013

Classification: Ordinary chondrite (H3)

Physical characteristics: The stone was very round and covered with a wind-polished fusion-crust.

Petrography: (A.E. Rubin, UCLA) Polysynthetically twinned low-Ca clinopyroxene indicative of type 3 or 4. No chondrule glass (not low type 3), sharply defined chondrules indicative of type 3, and homogeneous olivine and pyroxene suggesting high type 3. Suggested classification is H3.8.

Data from:
  MB104
  Table 0
  Line 0:
Date:P Jul 2013
Mass (g):134.4
Pieces:1
Class:H3
Shock stage:S1
Weathering grade:W4
Fayalite (mol%):17.5±0.3 (n=8)
Ferrosilite (mol%):15.8±0.3 (n=11)
Wollastonite (mol%):1.0±0.1 (n=11)
Classifier:A.E. Rubin, UCLA
Type spec mass (g):28.8
Type spec location:UCLA
Main mass:Utas
Finder:anonymous
Comments:[U6/NWAU296]. Purchased from Steve Witt.; submitted by J. Utas
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 1407 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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