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Northwest Africa 7385
Basic information Name: Northwest Africa 7385
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7385
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 51.7 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 571 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 7385 (NWA 7385)

Morocco

Purchased: May 2012

Classification: HED achondrite (Eucrite)

History: Purchased by Sean Tutorow from Morocco, May 2012.

Physical characteristics: Single stone, with abraded black fusion crust, saw cut reveals fresh, light-gray, fine-grained texture.

Petrography: C. Agee, UNM) Microprobe examination of a polished mount shows a protogranular texture with approximately 50% pyroxene and 45% plagioclase, nearly all pyroxenes with exsolution lamellae, many fractures suggesting high shock. Accessory silica, chromite, ilmenite, troilite, and iron metal with very low nickel content.

Geochemistry: (C. Agee and M. Spilde, UNM) EMPA. Pyroxene Fs51.0±13.1Wo14.2±15.6, Fe/Mn=31±1, n=32, with equilibrated trend Fs61.3Wo1.7 to Fs26.0Wo44.4; plagioclase Or0.4±0.2Ab10.4±0.8An89.1±0.6, n=6.

Classification: Achondrite (Eucrite). Equilibrated main group eucrite. Slightly weathered.

Specimens: 11.86 g including a probe mount on deposit at UNM; Sean Tutorow holds the main mass.

Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P May 2012
Mass (g):51.69
Pieces:1
Class:Eucrite
Ferrosilite (mol%):51.0±13.1
Wollastonite (mol%):14.2±15.6
Classifier:C. Agee, UNM
Type spec mass (g):11.86
Type spec location:UNM
Main mass:Sean Tutorow
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
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1967 approved meteorites from Morocco (plus 37 unapproved names) (plus 1 impact crater)

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