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Northwest Africa 15043
Basic information Name: Northwest Africa 15043
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15043
Observed fall: No
Year found: 2022
Country: (Northwest Africa)
Mass:help 404 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  H4-an
Recommended:  H4-an    [explanation]

This is 1 of 24 approved meteorites classified as H4-an.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 5 Jul 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15043 (NWA 15043)

(Northwest Africa)

Purchased: 2022

Classification: Ordinary chondrite (H4, anomalous)

History: The meteorite was purchased from a meteorite dealer in Algeria.

Physical characteristics: Five dark brownish fragments without fusion crust.

Petrography: The meteorite shows a chondritic texture with abundant partly flattened and partly packed chondrules (apparent mean diameter about 0.4 mm) in a dark brownish matrix with abundant metal and sulfides. Olivine is equilibrated; low-Ca-pyroxene is unequilibrated.

Geochemistry: olivine: Fa13.7±0.3 (Fa13.2-14.0, n=15); low-Ca pyroxene: Fs14.1±3.8Wo0.8±0.7 (Fs9.1-27.4Wo0.2-1.6, n=26)

Classification: Ordinary chondrite (H4-anomalous). The anomalous designation is based on the exceptionally low Fa content of olivine.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2022
Mass (g):404
Pieces:5
Class:H4-an
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):13.7
Ferrosilite (mol%):14.1
Wollastonite (mol%):0.8
Magnetic suscept.:5.17
Classifier:A. Greshake, MNB
Type spec mass (g):23.5
Type spec location:MNB
Main mass:Boulaouane Taleb Ahmed
Finder:Algeria
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
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 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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