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Northwest Africa 4197
Basic information Name: Northwest Africa 4197
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4197
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 450 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 373 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 4 Jul 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 4197 (NWA 4197)

(Northwest Africa)

Purchased: 2005 Oct 27

Classification: HED achondrite (Eucrite, polymict)

Petrography: (K. Metzler, IfP) Breccia consisting of ophitic, subophitic, and gabbroic eucrite clasts, melt rock clasts and mineral fragments set into a fine-grained, recrystallized matrix. An87±2.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2005 Oct 27
Mass (g):450
Pieces:5
Class:Eucrite-pmict
Weathering grade:W2-3
Ferrosilite (mol%):50±2 (n=10)
Wollastonite (mol%):14±2
Classifier:A. Bischoff, IfP
Type spec mass (g):20
Type spec location:IfP
Main mass:anonymous
Comments:Submitted by A. Bischoff
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. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Andreas Grünemeyer Photo added 19 Apr 2022
Gerald Armstrong Photo added 19 Apr 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names)

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