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Northwest Africa 14717
Basic information Name: Northwest Africa 14717
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14717
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 180 g
Classification
  history:
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 119 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 19 Mar 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14717 (NWA 14717)

(Northwest Africa)

Purchased: 2021

Classification: HED achondrite (Eucrite, unbrecciated)

Petrography: (K. Metzler, IfP) Unbrecciated granulitic rock, consisting of ~55 vol% pyroxene and ~45 vol% plagioclase. The mean grain size is ~0.7 mm (0.2-1.4 mm). Pyroxene shows augite exsolution lamellae (max. width ~10 µm). Accessories are troilite, Ni-bearing metal, and chromium spinel.

Geochemistry: Mineral compositions and geochemistry: Low-Ca pyroxene (host): Fs42.0±1.4Wo3.8±1.2 (Fs39.8-44.1Wo2.7-5.8); mean Fe/Mn (at.): 27; n=10. Ca-rich pyroxene (exsolution lamellae) Fs23.3±2.5Wo33.5±3.4 (Fs19.7-26.7Wo29.4-38.5); n=8. Plagioclase An94.4±0.7Or0.1±0.1 (An92.9-95.2Or0.0-0.4); n=11.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2021
Mass (g):180
Pieces:3
Class:Eucrite-unbr
Shock stage:M-S1
Weathering grade:low
Ferrosilite (mol%):42.0±1.4; 23.3±2.5
Wollastonite (mol%):3.8±1.2; 33.5±3.4
Classifier:K. Metzler, IfP
Type spec mass (g):20
Type spec location:IfP
Main mass:Gregor Pacer, Bad Bellingen, Germany
Comments:Submitted by K. Metzler, IfP
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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