Meteoritical Bulletin: Entry for Northwest Africa 12571

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Northwest Africa 12571

Basic information

Name: Northwest Africa 12571
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12571
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass: 50 g

Classification
history:

Meteoritical Bulletin:	MB 108	(2020)	Eucrite
Recommended:			Eucrite [explanation]

This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 23 Dec 2019

Writeup

Writeup from MB 108:

Northwest Africa 12571 (NWA 12571)

(Northwest Africa)

Purchased: 2017 May

Classification: HED achondrite (Eucrite)

Petrography: The meteorite shows an igneous texture. The dominant mineral of the meteorite is plagioclase along with coarse pyroxene (up to 4.7 mm).

Geochemistry: Low-Ca pyroxene Fs_59.7±2.3Wo_3.7±2.1, n=6, FeO/MnO=37.0±4.7, n=10; High-Ca pyroxene Fs_27.5±3.7Wo_42.2±5.0, n=7; Plagioclase An_88.1±4.9, n=6 (EDAX).

Data from:
  MB108
  Table 0
  Line 0:

Place of purchase:	Chenzhou, China
Date:	P 2017 May
Mass (g):	50
Pieces:	1
Class:	Eucrite
Ferrosilite (mol%):	27.5±3.7; 59.7±2.3
Wollastonite (mol%):	42.2±5.0; 3.7±2.1
Classifier:	Peng Hao and Fanyan, IGCAS
Type spec mass (g):	25
Type spec location:	IGCAS
Main mass:	Wang Peng
Comments:	Submitted by Li shijie

Institutions
and collections

IGCAS: Institute of Geochemistry Chinese Academy of Sciences, Guiyang, China (institutional address; updated 27 Mar 2018)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

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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:

This lists important revisions made to data for this record.

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