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Northwest Africa 7383
Basic information Name: Northwest Africa 7383
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7383
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 329 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 12 Sep 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 7383 (NWA 7383)

Morocco

Purchased: Jan 2012

Classification: HED achondrite (Eucrite)

History: Purchased by Michael Farmer from a Moroccan meteorite dealer in Tucson, January 2012.

Physical characteristics: Single complete stone, smooth black fusion crust, slightly weathered exterior, saw cut reveals fresh, light-gray, fine-grained ground mass.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a protogranular texture with approximately 45% pyroxene and 45% plagioclase, grain size 10-100 μm, many pyroxenes with exsolution lamellae. Accessory silica, ilmenite, and troilite.

Geochemistry: (C. Agee and M. Spilde, UNM) Pyroxene Fs50.6±14.8Wo15.5±17.6, Fe/Mn=34±1, n=30, with equilibrated trend Fs62.7Wo2.5 to Fs26.4Wo44.3; plagioclase Or0.6±0.1Ab11.9±1.3An87.5±1.2, n=6.

Classification: Achondrite (Eucrite), Equilibrated main group eucrite.

Specimens: 20.08 g including a probe mount on deposit at UNM; MFarmer holds the main mass.

Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P Jan 2012
Mass (g):329
Pieces:1
Class:Eucrite
Ferrosilite (mol%):50.6±14.8
Wollastonite (mol%):15.5±17.6
Classifier:C. Agee
Type spec mass (g):20.08
Type spec location:UNM
Main mass:MFarmer
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)
MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
Find references in NASA ADS:
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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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