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Northwest Africa 14695
Basic information Name: Northwest Africa 14695
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14695
Observed fall: No
Year found: 2021
Country: Morocco
Mass:help 510 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 340 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 13 May 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14695 (NWA 14695)

Morocco

Purchased: 2021

Classification: Lunar meteorite (feldspathic breccia)

History: 72 individual fragments and some smaller part fragments totaling 510 g were purchased by Steve Arnold from a meteorite dealer while visiting Zagora, Morocco, in November 2021.

Physical characteristics: Samples have a gray exterior with white clasts visible. Patches of orange caliche cover some portions of the stone. The interior shows a brecciated texture.

Petrography: Description and classification (A. Love, App). Sample is brecciated mixture of lithic and subrounded to angular mineral clasts of olivine, pyroxene and plagioclase in comminuted matrix. Lithic fragments include: anorthosite, troctolite and glassy breccias. Additional minerals are: ilmenite, chromite, barite, a silica polymorph, spinel, rare FeNi metal.

Geochemistry: (A. Love, App) Olivine (Fa26.5±7.6, Fe/Mn=76.8±4.3, n=4). Some olivine have been altered as indicated by their lower analytical totals of 90-95 wt%. Ca pyroxene (Fs23.7±4.1Wo4.0±0.3, Fe/Mn50.2±1.4, n=4); pigeonite (Fs28.1±4.0Wo19.5±12.2, Fe/Mn=39.4±12.5, n=9); high Ca pyroxene (24.0±4.1Wo33.6±4.8, Fe/Mn=47.9±3.8, n=6); plagioclase (An97.0±0.5Or0.0±0.0, n=9).

Classification: (Lunar feldspathic breccia) Textures, mineral compositions suggest this is a lunar meteorite.

Specimens: Steve Arnold holds the main masses. A polished thin section and many fragments weighing a total of 20.1 g are on deposit at App.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2021
Mass (g):510
Pieces:72
Class:Lunar (feldsp. breccia)
Shock stage:high
Weathering grade:moderate
Fayalite (mol%):26.5±7.6
Ferrosilite (mol%):23.7±4.1; 24.0±4.1
Wollastonite (mol%):4.0±0.3; 33.6±4.8
Classifier:A. Love, App
Type spec mass (g):20.1
Type spec location:App
Main mass:Steve Arnold
Comments:Submitted by Anthony Love
Institutions
   and collections		 App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013)
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:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)
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Revision
  history:
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