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Northwest Africa 8660
Basic information Name: Northwest Africa 8660
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8660
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 629 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 509 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 18 Feb 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8660 (NWA 8660)

(Northwest Africa)

Purchased: Jan 2012

Classification: HED achondrite (Eucrite)

Petrography: (P. Warren, UCLA) This eucrite is mildly brecciated and essentially monomict. Clasts are subophitic with typical grain size of 0.5 mm. Minor Fe-metal.

Geochemistry: Low-Ca pyroxene En37.4±0.9Wo2.2±0.4, FeO/MnO wt. ratio 31.7±1.2, n=20; high-Ca pyroxene En30.2±0.4Wo43.8±0.3, n=11; plagioclase An88.3±2.6, n=23.

Classification: Eucrite (monomict breccia).

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P Jan 2012
Mass (g):629
Pieces:1
Class:Eucrite
Shock stage:moderate
Weathering grade:moderate
Ferrosilite (mol%):60.4
Wollastonite (mol%):2.2
Classifier:P. Warren, UCLA
Type spec mass (g):50.2
Type spec location:UCLA
Main mass:Brad Sampson
Comments:Submitted by P. Warren
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: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7859 approved meteorites from (Northwest Africa) (plus 1961 unapproved names)

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