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Northwest Africa 3175
Basic information Name: Northwest Africa 3175
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 3175
Observed fall: No
Year found: 2002
Country: Morocco
Mass:help 48.6 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Eucrite
MetBase:  v. 7.1  (2006)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 468 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeuphelp
Writeup from MB online:

Northwest Africa 3175

Northwest Africa

Purchased 2002

Achondrite (polymict eucrite)

A single stone of 46.8 g was purchased. Classification and mineralogy (A. Greshake and M. Kurz): a polymict breccia composed of large lithic and mineral clasts set into a fine-grained groundmass of plagioclase, augite, pigeonite with augite exsolution lamellae, and opaque phases; lithic clasts include basaltic fragments, impact melt clasts, and unusual troilite-rich fragments; large mineral fragments are dominantly plagioclase and Ca-pyroxene; exsolved augite often contains Al-Ti-chromite- and SiO2-inclusions; plagioclase, An89.9 (range An85.5-92.2); pigeonite, Fs42.7-58.8Wo7.1-11.6; augite, Fs22-48.2Wo21.2-29; minor phases include orthopyroxene, silica, troilite, and Al-Ti-chromite; low degree of shock; low degree of weathering. Main mass with anonymous finder; type specimen 11.3 g plus one polished thin section MNB.

Data from:
  MB89
  Table 7
  Line 488:
Origin or pseudonym:Morocco
Date:2002
Mass (g):48.6
Pieces:1
Class:Euc
Classifier:A. Greshake, MNB and M. Kurz
Type spec mass (g):11.3
Comments:Plag An89.9; Aug Fs22-48Wo21-29; Pig Fs43-59Wo7-12
Institutions
   and collections
MNB: Museum f├╝r Naturkunde, Invalidenstra├če 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Kurz: M. Kurz, Schillerstrasse 7, D-34626 Neukirchen, Germany (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Don Edwards   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1481 approved meteorites from Morocco (plus 22 unapproved names) (plus 1 impact crater)

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