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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:help 50 g
Classification
  history:
Recommended:  Eucrite    [explanation]

This is 1 of 449 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 23 Dec 2019
Writeuphelp
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 Fs59.7±2.3Wo3.7±2.1, n=6, FeO/MnO=37.0±4.7, n=10; High-Ca pyroxene Fs27.5±3.7Wo42.2±5.0, n=7; Plagioclase An88.1±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, in preparation (2019)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7100 approved meteorites from (Northwest Africa) (plus 2005 unapproved names)

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