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Northwest Africa 14003
Basic information Name: Northwest Africa 14003
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14003
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 1950 g
Classification
  history:
Recommended:  H4    [explanation]

This is 1 of 6186 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 31 May 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14003 (NWA 14003)

(Northwest Africa)

Purchased: 2020 Jan

Classification: Ordinary chondrite (H4)

History: Purchased in 2020 by Noreddine Azelmat from a meteorite dealer in Morocco.

Physical characteristics: Single stone with visible fusion crust.

Petrography: (D. Sheikh, Cascadia) This sample contains chondrules (450±150 µm, n=12) set in a fine-grained matrix with accesory Fe-Ni metal and troilite.

Geochemistry: Olivine (Fa18.2±0.4 ,range Fa17.7-19.3, n=18), Low-Ca Pyroxene (Fs16.3±0.6Wo1.1±0.6, range Fs15.3-17.1Wo0.4-2.1, n=11).

Classification: Ordinary chondrite (H4) based on Fa and Fs values, and on average chondrule diameter.

Specimens: 20.1 g and a thin section at Cascadia; main mass with Noreddine Azelmat.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2020 Jan
Mass (g):1950
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W4
Fayalite (mol%):18.2±0.4
Ferrosilite (mol%):16.3±0.6
Wollastonite (mol%):1.1±0.6
Classifier:D. Sheikh, Cascadia
Type spec mass (g):20.1
Type spec location:Cascadia
Main mass:Noreddine Azelmat
Comments:Submitted by Daniel Sheikh
Institutions
   and collections
Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
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 8025 approved meteorites from (Northwest Africa) (plus 1951 unapproved names)

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