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Northwest Africa 2637
Basic information Name: Northwest Africa 2637
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2637
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 71.5 g
Meteoritical Bulletin:  MB 107  (2018)  CV3
Recommended:  CV3    [explanation]

This is 1 of 602 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 28 May 2018
Writeup from MB 107:

Northwest Africa 2637 (NWA 2637)

(Northwest Africa)

Purchased: 2004

Classification: Carbonaceous chondrite (CV3)

History: Purchased by Adam Hupé in 2004 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Granular chondrules (apparent diameter 710 ± 510 µm, N = 18) plus sparse, amoeboid very fine grained CAI are set in a fine grained matrix (orange-brown in thin section). Andradite garnet was observed in one CAI.

Geochemistry: Olivine (Fa0.6-57.3, N = 3), orthopyroxene (Fs0.7-51.2Wo0.5-2.5, N = 2), clinopyroxene (Fs0.8Wo39.0).

Classification: Carbonaceous chondrite (CV3).

Specimens: 14.4 g including one polished thin section at PSF; remainder with AHupé.

Data from:
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2004
Mass (g):71.5
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):0.6-57.3
Ferrosilite (mol%):0.7-51.2
Wollastonite (mol%):0.5-2.5
Classifier:A. Irving and S. Kuehner, UWS; T. Bunch & J. Wittke
Type spec mass (g):14.4
Type spec location:PSF
Main mass:A. Hupé
Comments:Submitted by A. Irving
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
AHupé: Adam C. Hupé, 2807 China Cove, Laughlin, NV 89029, United States; Website (private address; updated 29 Jun 2013)
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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