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Northwest Africa 7488
Basic information Name: Northwest Africa 7488
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7488
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 259 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 459 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 8 Nov 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 7488 (NWA 7488)

Morocco

Purchased: August 2012

Classification: HED achondrite (Eucrite)

History: Purchased by Adam Bates in August 2012 from Moroccan meteorite dealer.

Physical characteristics: Single stone, dark gray, irregular exterior. Saw cut reveals breccia with angular clasts up to 1 cm set in a light-gray groundmass.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows approximately 60% pyroxene and 30% plagioclase, plus accessory silica, ilmenite, troilite, and low-Ni iron metal.

Geochemistry: (C. Agee and M. Spilde, UNM) Low Ca-pyroxene Fs50.8±2.4Wo12.8±3.4, Fe/Mn=28±2, n=30; plagioclase Or0.5±0.2Ab11.4±1.3An88.1±1.5, n=3.

Classification: Achondrite (eucrite), equilibrated, main group, basaltic eucrite.

Specimens: 21.24 g including a probe mount on deposit at UNM, Adam Bates holds the main mass.

Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P August 2012
Mass (g):259
Pieces:1
Class:Eucrite
Ferrosilite (mol%):50.8±2.4
Wollastonite (mol%):12.8±3.4
Classifier:C. Agee, UNM
Type spec mass (g):21.24
Type spec location:UNM
Main mass:Adam Bates
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Zsolt Kereszty   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1460 approved meteorites from Morocco (plus 21 unapproved names) (plus 1 impact crater)

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