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Northwest Africa 14744
Basic information Name: Northwest Africa 14744
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14744
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 1006 g
Classification
  history:
Recommended:  Mesosiderite    [explanation]

This is 1 of 230 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 20 Jun 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14744 (NWA 14744)

(Northwest Africa)

Purchased: 2021 Jun

Classification: Mesosiderite

History: Purchased by Jason Whitcomb in June 2021 from an Algerian dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Relatively coarse grained aggregate of altered kamacite (~50 vol.%) together with orthopyroxene and anorthite, plus accessory augite, subcalcic augite, schreibersite, silica polymorph and merrillite.

Geochemistry: Orthopyroxene (Fs31.7-33.2Wo3.7-3.9, FeO/MnO = 23-26, N = 4), augite (Fs17.3-17.7Wo39.2-39.3, FeO/MnO = 17-21, N = 2), subcalcic augite (Fs22.7Wo23.7, FeO/MnO = 19), anorthite (An90.5-96.7Or0.2-0.1, N = 4).

Classification: Mesosiderite.

Specimens: 29.2 g in the form of a polished endcut at PSF; remainder with Mr. J. Whitcomb.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021 Jun
Mass (g):1006
Pieces:1
Class:Mesosiderite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):31.7-33.2; 17.3-17.7
Wollastonite (mol%):3.7-3.9; 39.2-39.3
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):29.2
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-66; submitted by A. Irving
Institutions
   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)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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