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Northwest Africa 8767
Basic information Name: Northwest Africa 8767
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8767
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 835 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite-br
Recommended:  Eucrite-br    [explanation]

This is 1 of 189 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 13 Feb 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8767 (NWA 8767)

(Northwest Africa)

Purchased: 2014

Classification: HED achondrite (Eucrite, brecciated)

History: The meteorite was bought 2014 at a mineral fair in Munich, Germany.

Petrography: The meteorite is a eucritic breccia composed of angular to partly rounded basaltic fragments separated by shock veins and fine-grained cataclastic zones. Dominant minerals are exsolved pyroxenes and calcic plagioclase. Minor phases include chromite, troilite, and silica polymorphs. Shock veins are mostly recrystallized.

Geochemistry: low-Ca pyroxene: Fs60.6±1Wo2.9±0.9 (Fs58.2-62.2Wo2-6.2, n=20, FeO/MnO=32-35); Ca-pyroxene: Fs26.1±0.7Wo44.2±0.6 (Fs25.3-27.8Wo41.9-45.1, n=20, FeO/MnO=31-37); calcic plagioclase: An88.3±1.1 (An84.9-91.3, n=19)

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Munich, Germany
Date:P 2014
Mass (g):835
Pieces:1
Class:Eucrite-br
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):60.6; 26.1
Wollastonite (mol%):2.9; 44.2
Classifier:A. Greshake, MNB
Type spec mass (g):20.6
Type spec location:MNB
Main mass:Harald Stehlik
Comments:Pairing with NWA 8563 is suggested.; submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum f├╝r Naturkunde, Invalidenstra├če 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Stehlik: Harald Stehlik, 1220 Wien, Austria (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7859 approved meteorites from (Northwest Africa) (plus 1961 unapproved names)

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