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Northwest Africa 8196
Basic information Name: Northwest Africa 8196
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8196
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 290 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 508 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 22 Feb 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8196 (NWA 8196)

(Northwest Africa)

Purchased: 04/2013

Classification: HED achondrite (Eucrite)

Physical characteristics: The meteorite is partly covered by fusion crust and shows a dark greyish interior.

Petrography: The rock is a coarse-grained basalt with up 1 mm sized calcic plagioclase and exsolved pyroxenes. Minor phases are chromite, FeNi metal and rare SiO2 polymorphs.

Geochemistry: low-Ca pyroxene: Fs53.3-59.7Wo1.7-9.5, FeO/MnO=29-32; augite: Fs25-29.4Wo39.8-44.6, FeO/MnO=28-33; calcic plagioclase: An88-90.5

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 04/2013
Mass (g):290
Pieces:many small frag
Class:Eucrite
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):53.3-59.7, 25-29.4
Wollastonite (mol%):1.7-9.5, 39.8-44.6
Classifier:A. Greshake, MNB
Type spec mass (g):22.7
Type spec location:MNB
Main mass:Jürgen Nauber (JNMC)
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
JNMC: jnmczurich, P.O. Box 208, CH-8155 Niederhasli, Switzerland; Website (private address; updated 4 Feb 2014)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7820 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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