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Northwest Africa 8162
Basic information Name: Northwest Africa 8162
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8162
Observed fall: No
Year found: 2013
Country: Morocco
Mass:help 297 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 230 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 29 Dec 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 8162 (NWA 8162)

Morocco

Purchased: 2013

Classification: HED achondrite (Eucrite, monomict)

History: Purchased by Blaine Reed from Eegooblago Meteorites at the Denver Gem and Mineral Show, 2013.

Physical characteristics: Single stone, desert-weathered exterior; saw cut reveals breccia with large light-colored clasts bounded by numerous dark-colored veins.

Petrography: Microprobe examination of a polished mount shows ~50% pyroxene and ~35% plagioclase, most in subophitic clasts, some in cataclastic zones, and ~15% shock-melt veins throughout. Accessory silica, chromite, and ilmenite. Minor zircon. Most pyroxenes with exsolution lamellae.

Geochemistry: (C. Agee and N. Muttik, UNM) EMPA. Low-Ca pyroxene Fs61.0±1.5Wo3.0±1.1, Fe/Mn=32±1, n=17; high-Ca pyroxene Fs34.8±10.0Wo34.3±11.6, Fe/Mn=33±1, n=8; plagioclase Or0.6±0.2Ab10.2±1.5An89.2±1.4, n=3.

Classification: Achondrite (Eucrite-mmict) Equilibrated basaltic eucrite; shock-melt brecciation throughout.

Specimens: 24.2 g including a probe mount on deposit at UNM, Reed holds the main mass.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Denver
Date:P 2013
Mass (g):297.4
Pieces:1
Class:Eucrite-mmict
Classifier:C. Agee, UNM
Type spec mass (g):24.2
Type spec location:UNM
Main mass:Reed
Comments:Submitted by C. Agee
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1438 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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