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Northwest Africa 3122
Basic information Name: Northwest Africa 3122
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 3122
Observed fall: No
Year found: 2003
Country: Morocco
Mass:help 131 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Eucrite
MetBase:  v. 7.1  (2006)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 471 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeuphelp
Writeup from MB online:

Northwest Africa 3122

Northwest Africa

Found 2003

Achondrite (polymict eucrite)

A 131 g stone was purchased in Morocco in Morocco, 2003 September. Description and classification (T. Bunch and J. Wittke, NAU): dark to medium gray, brecciated eucrite that essentially contains medium to fine-grained cumulate eucrites. Highly shocked (S4-5): maskelynite and solid state recrystallization of plagioclase; reduced birefringence and recrystallization of pyroxenes; localized melt pockets. Dominate basalt lithology: low-Ca pyroxenes, Fs56.1-59.3Wo1.4-1.8 (Fe/Mn = 32-34.8), exsolution lamellae (Fs35.Wo28.8); augite, Fs23.5Wo43.1. Plagioclase is unusually sodic and slightly zoned, An68-70Or8.2-2.0; chromite, cr# = 81 and fe# = 98.7; low Ni metal (0.32 wt. % Ni and 0.52 wt. % Co). Lightly weathered. Specimens: 21.1 g, NAU; main mass, xHupé.

Data from:
  MB89
  Table 7
  Line 463:
Origin or pseudonym:Morocco
Place of purchase:Erfoud
Date:2003
Mass (g):131
Pieces:1
Class:Euc
Ferrosilite (mol%):56.4-59.3
Type spec mass (g):21.1
Comments:Plag An86-70Or8.2-2.0; Undefined note. NAU is Northern Arizona University, Flagstaff, AZ 86011, USA
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
xHupé: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Don Edwards   
Pierre-Marie Pelé   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1488 approved meteorites from Morocco (plus 22 unapproved names) (plus 1 impact crater)

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