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Northwest Africa 13748
Basic information Name: Northwest Africa 13748
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13748
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 500 g
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  H4
Recommended:  H4    [explanation]

This is 1 of 6484 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 21 Feb 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13748 (NWA 13748)

(Northwest Africa)

Purchased: 2019 Dec

Classification: Ordinary chondrite (H4)

History: Purchased in December 2019 by Ernesto Martin from a meteorite dealer in Morocco.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, FSU) Specimen is composed of chondrules (500±100 µm) set in a fine-grained matrix containing chromite, troilite, kamacite, and Fe-oxides.

Geochemistry: Olivine (Fa16.1±0.2, range Fa15.5-16.2, n=28), Low-Ca Pyroxene (Fs14.5±0.8Wo0.8±0.4, range Fs13.1-16.6Wo0.4-2.5, n=33).

Classification: Ordinary chondrite (H4).

Specimens: 20.7 g at UCLA, main mass with Ernesto Martin.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019 Dec
Mass (g):500
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):16.1±0.2
Ferrosilite (mol%):14.5±0.8
Wollastonite (mol%):0.8±0.4
Magnetic suscept.:5.11
Classifier:D. Sheikh, FSU
Type spec mass (g):20.7
Type spec location:UCLA
Main mass:Ernesto Martin
Comments:Submitted by Daniel Sheikh
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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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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