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Northwest Africa 10586
Basic information Name: Northwest Africa 10586
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10586
Observed fall: No
Year found: 2015
Country: Morocco
Mass:help 191.8 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  R3-4
Recommended:  R3-4    [explanation]

This is 1 of 6 approved meteorites classified as R3-4.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 28 Jun 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10586 (NWA 10586)

Morocco

Purchased: 2015

Classification: Rumuruti chondrite (R3-4)

Petrography: Chondrules have an average size of ~400 μm. The chondrules are well defined. The rock is highly weathered. R3 clasts constitute about 5 vol.% of the rock; the clasts are up to 1 cm in size. The meteorite contains ~40 vol.% matrix that is stained red-orange from terrestrial weathering. The opaque phases include only pyrrhotite and limonite; no metallic Fe-Ni is discernable.

Geochemistry: Olivine Fa36.5±4.4, n=14, low-Ca pyroxene Fs26.3±4.0Wo1.4±1.0, n=6.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2015
Mass (g):191.8
Pieces:2
Class:R3-4
Shock stage:medium
Weathering grade:high
Fayalite (mol%):36.5±4.4 (n=14)
Ferrosilite (mol%):26.3±4.0 (n=6)
Wollastonite (mol%):1.4±1.0
Classifier:A. Rubin and J. Breen, UCLA
Type spec mass (g):21.1
Type spec location:UCLA
Main mass:Sean Tutorow
Comments:G639; breccia; 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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
John Tanner   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1390 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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