Meteoritical Bulletin: Entry for Northwest Africa 14530

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Northwest Africa 14530

Basic information

Name: Northwest Africa 14530
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14530
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass: 211 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	Eucrite
Recommended:			Eucrite [explanation]

This is 1 of 616 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 22 Dec 2021

Writeup

Writeup from MB 110:

Northwest Africa 14530 (NWA 14530)

(Northwest Africa)

Purchased: May 2021

Classification: HED achondrite (Eucrite)

Petrography: (J. Gattacceca, CEREGE) Gabbroic igneous rock. Main minerals are pyroxene and plagioclase with typical grain size ~1 mm. Some pyroxene grains are exsolved. Other minerals include troilite, chromite, ilmenite, rare metal.

Geochemistry: Low-Ca pyroxene Fs_62.0±0.7Wo_2.5±0.9n FeO/MnO = 32.0±0.7 (n=5). Augite exsolutions Fs_26.7Wo_44.8, FeO/MnO = 35.6 (n=2). Plagioclase An_86.4Ab_12.9Or_0.7(n=2).

Classification: Achondrite (eucrite)

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Guelmin, Morocco
Date:	P May 2021
Mass (g):	210.5
Pieces:	1
Class:	Eucrite
Weathering grade:	low
Ferrosilite (mol%):	62.0±0.7 (n=5)
Wollastonite (mol%):	2.5±0.9
Magnetic suscept.:	2.66
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	25.19
Type spec location:	CEREGE
Main mass:	Kuntz
Finder:	anonymous
Comments:	work name K543; 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)
Kuntz: Fabien Kuntz, France; Website (private address)

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 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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