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Northwest Africa 14730
Basic information Name: Northwest Africa 14730
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14730
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 60 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Lunar (frag. breccia)
Recommended:  Lunar (frag. breccia)    [explanation]

This is 1 of 30 approved meteorites classified as Lunar (frag. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 19 Mar 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14730 (NWA 14730)

(Northwest Africa)

Purchased: 2019

Classification: Lunar meteorite (frag. breccia)

History: Purchased February, 2019, by anonymous collector from a Moroccan dealer

Physical characteristics: Many small identical looking sand polished stones. No fusion crust present. Saw cut reveals a clast-rich brecciated interior.

Petrography: (A. Ross, UNM; D. Dickens, NMMS) This meteorite is a fragmental breccia of plagioclase, pyroxene, and olivine grains, with pyroxene being significantly more abundant than olivine. This meteorite is clast-rich and contains many highly impinged, nested, and sub-micron clasts of varying lithologies set in a sparse matrix. Analysis of BSE image with ImageJ shows a mode of ~71% plagioclase, ~23% pyroxene, ~5% olivine, with remainder being opaques including kamacite and troilite. Some Cr-spinels with Mg+Al+Ti were detected.

Geochemistry: (A. Ross, UNM) olivine Fa: 30.0±5.0, Fe/Mn=91±9, n=8; clinopyroxene Fs35.8±116.3Wo19.1±11.5, Fe/Mn=55±10, n=10; plagioclase An95.0±2.2, n=6;

Classification: Lunar fragmental breccia

Specimens: 12 g including a probe mount on deposit at UNM, anonymous collector holds the main mass.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Tucson, Arizona
Date:P 2019
Mass (g):60 g
Pieces:many
Class:Lunar (frag. breccia)
Shock stage:high
Weathering grade:moderate
Fayalite (mol%):30.0±5.0
Ferrosilite (mol%):35.8±116.3
Wollastonite (mol%):19.1±11.5
Classifier:D. Dickens, NMMS; C. Agee, UNM
Type spec mass (g):12g
Type spec location:UNM
Main mass:Anonymous
Comments:Field name DD76; submitted by D. Dickens
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
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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