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Northwest Africa 11568
Basic information Name: Northwest Africa 11568
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11568
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 333 g
Meteoritical Bulletin:  MB 106  (2018)  H3
Recommended:  H3    [explanation]

This is 1 of 663 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 18 Dec 2017
Writeup from MB 106:

Northwest Africa 11568 (NWA 11568)

(Northwest Africa)

Purchased: March 2017

Classification: Ordinary chondrite (H3)

History: Purchased by Sean Tutorow and Brahim Tahiri from several diferent meteorite hunters in Morocco.

Petrography: The rock contains sharply defined chondrules and polysynthetically twinned low-Ca pyroxene. The chondrule mesostases are not composed of isotropic glass; they are devitrified. The types of chondrules include BO, PO, PP, POP, RP and C. Some chondrules have dusty relict olivine grains within them. The rock has experienced extensive weathering; some clay is present that formed from altered mafic silicate grains.

Data from:
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P March 2017
Mass (g):332.77
Shock stage:S1
Weathering grade:W5
Fayalite (mol%):17.6±0.3 (n=14)
Ferrosilite (mol%):15.6±0.3 (n=12)
Wollastonite (mol%):1.2±1.1 (n=12)
Classifier:A. Rubin, UCLA
Type spec mass (g):23.84
Type spec location:UCLA
Main mass:Sean Tutorow
Comments:Submitted by Alan Rubin
   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)
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)
Synonymshelp: Northwest Africa 12598 (NWA 12598 is the same meteorite as NWA 11568)
NWA 12598 (NWA 12598 is the same meteorite as NWA 11568)

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