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Northwest Africa 15263
Basic information Name: Northwest Africa 15263
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15263
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 758 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  H3
Recommended:  H3    [explanation]

This is 1 of 708 approved meteorites (plus 2 unapproved names) classified as H3.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 14 Sep 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15263 (NWA 15263)

(Northwest Africa)

Purchased: 2021 Oct

Classification: Ordinary chondrite (H3)

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

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed, somewhat unequilibrated chondrules containing devitrified glass occur within a relatively coarse grained matrix containing altered kamacite, taenite, troilite, chromite and merrillite, but no plagioclase.

Geochemistry: Olivine (Fa20.7±4.2, range Fa18.4-29.7, Cr2O3 < 0.05 wt.%, N = 8), low-Ca pyroxene (Fs16.3±0.3Wo1.4±0.3, range Fs16.1-16.6Wo1.1-1.8, N = 5).

Classification: Ordinary chondrite (H3).

Specimens: 28.5 g including one polished thick section at PSF; remainder with Mr. J. Whitcomb.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021 Oct
Mass (g):758
Pieces:1
Class:H3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):20.7±4.2
Ferrosilite (mol%):16.3±0.3
Wollastonite (mol%):1.4±0.3
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):28.5
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-126; 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)
BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024)
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. ?
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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