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Northwest Africa 7960
Basic information Name: Northwest Africa 7960
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7960
Observed fall: No
Year found: 2013
Country: Morocco
Mass:help 309 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Eucrite-unbr
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 89 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 19 Aug 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7960 (NWA 7960)

Morocco

Purchased: 2013

Classification: HED achondrite (Eucrite, unbrecciated)

History: Purchased by A. Hmani in Dakla, Morocco, 2013.

Physical characteristics: Single stone, light brown-green weathered fusion crust or desert patina, broken surface reveals fresh unbrecciated texture with millimeter-sized green pyroxenes and white plagioclase crystals.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows approximately equal amounts of pyroxene and plagioclase, crystal size in the range 200-1000 μm. Ubiquitous silica, chromite, and troilite.

Geochemistry: (C. Agee and L. Burkemper, UNM) Pigeonite Fs47.7±1.8Wo7.9±2.1, Fe/Mn=32±1, n=19; augite Fs29.3±0.9Wo34.2±0.4, Fe/Mn=30±2, n=2; plagioclase An90.7±0.5, n=4.

Classification: Achondrite (equilibrated, unbrecciated eucrite), Mg# is transitional between cumulate eucrites and ordinary or basaltic eucrites.

Specimens: 22.7 g including a probe mount on deposit at UNM.  M. Hmani holds the main mass.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Dakla
Date:P 2013
Mass (g):308.5
Pieces:1
Class:Eucrite-unbr
Classifier:C. Agee, UNM
Type spec mass (g):22.7
Type spec location:UNM
Main mass:Mohammed Hmani
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)
Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1370 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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