Meteoritical Bulletin: Entry for Northwest Africa 14801

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Northwest Africa 14801

Basic information

Name: Northwest Africa 14801
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14801
Observed fall: No
Year found: 2020
Country: Mauritania
Mass: 43 g

Classification
history:

Meteoritical Bulletin:	MB 111	(2023)	Diogenite-pm
Recommended:			Diogenite-pm [explanation]

This is 1 of 63 approved meteorites classified as Diogenite-pm. [show all]
Search for other: Achondrites, Diogenites, and HED achondrites

Comments:

Approved 1 Oct 2022

Writeup

Writeup from MB 111:

Northwest Africa 14801 (NWA 14801)

Mauritania

Find: 2020

Classification: HED achondrite (Diogenite, polymict)

Physical characteristics: Dark irregular stone. Cut surface reveals a black interior.

Petrography: Brecciated gabbroic igneous rock with mm grain size. Main minerals are pyroxene and plagioclase. Accessory metal and troilite. Electron probe microanalyses reveal that pyroxene have diogenitic and eucritic compositions. The proportion of eucritic material is <10%.

Geochemistry: Diogenitic pyroxene Fs_26.2±4.0Wo_2.8±0.8, FeO/MnO=30.7±2.2 (n=7). Eucritic pyroxene Fs_49.4Wo_5.1, FeO/MnO = 30.5 (n=2). Plagioclase An_94.5Ab_5.1Or_0.1(n=1).

Classification: Achondrite (diogenite, polymict breccia)

Specimens: Type specimen at CEREGE. Main mass with José Garcia.

Data from:
  MB111
  Table 0
  Line 0:

Date:	2020
Mass (g):	43
Pieces:	1
Class:	Diogenite-pm
Ferrosilite (mol%):	26.2±4.0 (n=7)
Wollastonite (mol%):	2.8±0.8
Magnetic suscept.:	3.41
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	8.6
Type spec location:	CEREGE
Main mass:	José Garcia
Finder:	anonymous
Comments:	work name CM103 (sample 2); submitted by Jérôme Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)

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:

Mauritania

Coordinates:

Unknown.

Statistics:
This is 1 of 221 approved meteorites from Mauritania (plus 2 unapproved names) (plus 2 impact craters)

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Revision
history:

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