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Northwest Africa 15070
Basic information Name: Northwest Africa 15070
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15070
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 877 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  L5
Recommended:  L5    [explanation]

This is 1 of 8876 approved meteorites (plus 5 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 20 Jun 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15070 (NWA 15070)

(Northwest Africa)

Purchased: 2021 Jun

Classification: Ordinary chondrite (L5)

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

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Sparse chondrules (glass-free) occur within a recrystallized matrix containing sodic plagioclase, altered kamacite, troilite, chromite and chlorapatite. Some crystallized shock melt veinlets are present, and are composed predominantly of low-Ca pyroxene and troilite plus entrained and partly resorbed, angular mineral fragments.

Geochemistry: Olivine (Fa24.7±0.5, range Fa24.3-25.7, N = 6), low-Ca pyroxene (Fs20.9±0.3Wo1.5±0.2, range Fs20.7-21.4Wo1.0-1.7, N = 6), augite (Fs12.6Wo42.4).

Classification: Ordinary chondrite (L5).

Specimens: 21.0 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 Jun
Mass (g):877
Pieces:1
Class:L5
Weathering grade:W2
Fayalite (mol%):24.7±0.5
Ferrosilite (mol%):20.9±0.3
Wollastonite (mol%):1.5±0.2
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):21.0
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-62; 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:
Find references in Google Scholar:
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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