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Northwest Africa 14541
Basic information Name: Northwest Africa 14541
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14541
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 233 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 279 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 19 Mar 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14541 (NWA 14541)

(Northwest Africa)

Purchased: May 2021

Classification: Mesosiderite

Petrography: (J. Gattacceca, CEREGE) Sample has a typical grain size 800 ?m. Main minerals are Ca-pyroxene and plagioclase. Abundant terrestrial weathering products (~40 vol%) resulting from the weathering of metal and troilite. Pristine metal and troilite are relatively rare, and mostly present as fine-grained blebs enclosed in the silicates. A silica polymorph is present.

Geochemistry: Ca-pyroxene Fs33.7±1.0Wo3.9±0.5, FeO/MnO = 25.0±1.8, CaO 1.9±0.3 wt% (n=7). Plagioclase An91.3Ab8.5Or0.2.

Classification: Mesosiderite

Specimens: Type specimen at CEREGE. Main mass with Kuntz

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Guelmin, Morocco
Date:P May 2021
Mass (g):233.2
Pieces:several
Class:Mesosiderite
Weathering grade:high
Ferrosilite (mol%):33.7±1.0 (n=7)
Wollastonite (mol%):3.9±0.5
Magnetic suscept.:5.08
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):27.35
Type spec location:CEREGE
Main mass:Kuntz
Finder:anonymous
Comments:work name K451; submitted by Jérôme Gattacceca
Institutions
   and collections		 CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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