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Northwest Africa 7630
Basic information Name: Northwest Africa 7630
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7630
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 760 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 510 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 3 Jun 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7630 (NWA 7630)

(Northwest Africa)

Purchased: 2012 Oct

Classification: Ureilite

History: Purchased in Temara, Morocco by Adam Aaronson in October 2012 and subsequently acquired by GHupé.

Petrography: (A. Irving and S. Kuehner, UWS) Protogranular aggregate of predominantly (>90 vol.%) olivine with reduced metal-bearing rims plus minor pigeonite.

Geochemistry: Olivine (cores Fa21.1-21.3; rims Fa12.3; Cr2O3 = 0.7 wt.%), pigeonite (Fs17.2-17.8Wo6.1-6.0).

Classification: Ureilite (dunitic). This specimen is unusual in being very olivine-rich with little pyroxene.

Specimens: 22 g of sample and one polished thin section are on deposit at UWB. GHupé holds the main mass.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2012 Oct
Mass (g):760
Pieces:1
Class:Ureilite
Shock stage:low
Weathering grade:low
Fayalite (mol%):21.1-21.3
Ferrosilite (mol%):17.2-17.8
Wollastonite (mol%):6.1-6.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):22
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1437; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Solar Anamnesis   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6877 approved meteorites from (Northwest Africa) (plus 2037 unapproved names)

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