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Northwest Africa 2630
Basic information Name: Northwest Africa 2630
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2630
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 6.4 kg
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  H5
Recommended:  H5    [explanation]

This is 1 of 11505 approved meteorites (plus 23 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 8 Mar 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 2630 (NWA 2630)

Northwest Africa

Purchased: 2004

Classification: Ordinary chondrite (H5)

History: Purchased by Michael Farmer in 2004 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS; T. Bunch & J. Wittke, NAU) Sparse chondrules are present in a recrystallized matrix containing altered metal.

Geochemistry: Olivine (Fa19.5-19.6, N = 3), orthopyroxene (Fs16.6-16.7Wo1.3-1.2, N = 3), clinopyroxene (Fs8.4-10.1Wo44.1-43.3, N = 2).

Classification: Ordinary chondrite (H5).

Specimens: 89 g including one polished thin section at PSF; remainder with MFarmer.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2004
Mass (g):6400
Pieces:many
Class:H5
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):19.5-19.6
Ferrosilite (mol%):16.6-16.7
Wollastonite (mol%):1.3-1.2
Classifier:A. Irving, S. Kuehner, T. Bunch, and J. Wittke
Type spec mass (g):89
Type spec location:PSF
Main mass:M. Farmer
Comments:F6; submitted by A. Irving
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
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)
MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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