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Northwest Africa 7349
Basic information Name: Northwest Africa 7349
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7349
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 187.1 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 515 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 23 Aug 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 7349 (NWA 7349)

Morocco

Purchased: May 2012

Classification: Ureilite

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

Physical characteristics: Single stone with a dark, coarse granular exterior. Saw cut surface reveals a mosaic of dark green and brown grains, a few weathering veins.

Petrography: C. Agee) This meteorite consists of approximately 50% olivine and 50% low-Ca pyroxene, poikiolitic texture with generally smaller (100-300 μm) olivine inclusions in larger host pyroxene. Numerous Fe-metal veins occupying grain boundaries. Many of the veins have been oxidized by desert weathering. The metal veins are commonly haloed by many tiny metal blebs grading into adjacent olivine crystals.

Geochemistry: (C. Agee and N. Wilson, UNM, by EMPA). Olivine cores Fa23.2.0±0.9, Fe/Mn=50±4, Cr2O3=0.27±0.02 wt%, n=21; olivine rim Fa12.6, Fe/Mn=23, Cr2O3=0.28 wt%, n=1; low-Ca pyroxene Fs19.3±0.0Wo4.3±0.0, Fe/Mn=31±0 Cr2O3=0.72±0.00 wt%, n=2.

Classification: Achondrite (Ureilite). Low-Ca pyroxene present, pigeonite absent. Moderately weathered.

Specimens: 22 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):187.12
Pieces:1
Class:Ureilite
Fayalite (mol%):23.2±0.9
Ferrosilite (mol%):19.3±0.0
Wollastonite (mol%):4.3±0.0
Classifier:C. Agee, UNM
Type spec mass (g):22
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 1406 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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