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Northwest Africa 7479
Basic information Name: Northwest Africa 7479
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7479
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 1004 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  CV3
Recommended:  CV3    [explanation]

This is 1 of 482 approved meteorites (plus 2 unapproved names) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 8 Nov 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 7479 (NWA 7479)

Morocco

Purchased: May 2012

Classification: Carbonaceous chondrite (CV3)

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

Physical characteristics: Many fragments, black, irregular, shiny, some dull gray.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a numerous irregular to oval to round shaped PO and POP chondrules in a very fine-grained matrix. Numerous CAIs.

Geochemistry: (C. Agee and M. Spilde, UNM) Chondrule olivine range: Fa0.4-43.7. Type I chondrules: olivine Fa6.2±3.8, Fe/Mn=76±35, n=24; low-Ca pyroxene Fs1.1±0.4Wo2.4±1.6 Fe/Mn=11±9, n=12. Type II chondrules: olivine Fa30.0±10.7, Fe/Mn=177±69, n=6; Accessory chondrule phases: diopside, fassaite, anorthite, and Ni-Fe sulfide. Matrix phases: Fs-rich pyroxene, troilite, and taenite.

Classification: Carbonaceous chondrite (CV3), weathering grade W1.

Specimens: 21.79 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):1004.18
Pieces:Many fragments
Class:CV3
Weathering grade:W1
Fayalite (mol%):0.4-43.7
Ferrosilite (mol%):1.1±0.4
Wollastonite (mol%):2.4±1.6
Classifier:C. Agee, UNM
Type spec mass (g):21.79
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 2163 approved meteorites from Morocco (plus 32 unapproved names) (plus 1 impact crater)

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