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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:
Recommended:  H4    [explanation]

This is 1 of 6005 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 Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7655 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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