Meteoritical Bulletin: Entry for Northwest Africa 14035

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Northwest Africa 14035

Basic information

Name: Northwest Africa 14035
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14035
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 189 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	Lunar (feldsp. breccia)
Recommended:			Lunar (feldsp. breccia) [explanation]

This is 1 of 336 approved meteorites classified as Lunar (feldsp. breccia). [show all]
Search for other: Lunar meteorites

Comments:

Approved 6 Jul 2021

Writeup

help

Writeup from MB 110:

Northwest Africa 14035 (NWA 14035)

(Northwest Africa)

Purchased: 2020

Classification: Lunar meteorite (feldspathic breccia)

History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania, in late 2020 by Salamu Ali and later acquired by Andreas Schefzig.

Physical characteristics: Dark grayish rock without fusion crust.

Petrography: The meteorite is a polymict feldspathic breccia composed of up to 7-mm sized lithic clasts (gabbroic, fine-grained basaltic, impact melt) and mineral fragments set in a fine-grained clastic and partly shock-melted matrix. Main minerals are olivine of highly variable composition, low-Ca pyroxene, augite, and calcic plagioclase. Minor phases include silica, fayalitic olivine, chromite, ilmenite, and FeS. No metal has been detected. Contains secondary calcite and barite.

Geochemistry: olivine: Fa_29.7±6.9(Fa_22.3-40.3, FeO/MnO=87±6, n=24); ferroan olivine: Fa_75.0±0.1, FeO/MnO=94±3, n=3); low-Ca pyroxene: Fs_19.4±0.2Wo_4.3±0.2(Fs_18.6-19.8Wo_4.0-4.6, FeO/MnO=51±5, n=15); ferroan Ca-pyroxene: Fs_36.4±4.4Wo_27.8±1.8(Fs_30.8-42.7Wo_25.0-30.6, FeO/MnO=50±4, n=5, ); augite: Fs_9.7±0.2Wo_42.3±0.4(Fs_9.5-10.0Wo_41.6-43.0, FeO/MnO=38±5, n=8); calcic plagioclase: An_96.3±0.3(An_95.8-96.9, n=12)

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Nouadhibou, Mauritania
Date:	P 2020
Mass (g):	189
Pieces:	1
Class:	Lunar (feldsp. breccia)
Shock stage:	high
Weathering grade:	moderate
Fayalite (mol%):	29.7; 75.0
Ferrosilite (mol%):	19.4; 36.4; 9.7
Wollastonite (mol%):	4.3; 27.8; 42.3
Classifier:	A. Greshake, MNB
Type spec mass (g):	21.4
Type spec location:	MNB
Main mass:	Andreas Schefzig
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., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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Revision
history:

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