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Northwest Africa 8107
Basic information Name: Northwest Africa 8107
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8107
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 2 kg
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 426 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 6 Jan 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8107 (NWA 8107)

(Northwest Africa)

Purchased: 2013

Classification: HED achondrite (Diogenite)

Petrography: (A. Greshake, MNB) The very small grey individuals lack any fusion crust and display a cumulate texture of dominantly large orthopyroxene crystals, less abundant calcic plagioclase, and rare Ca-rich pyroxene.Opaque phases include chromite and troilite.

Geochemistry: Ca-poor pyroxene: Fs22.9-46.4Wo1.4-9.8; FeO/MnO=27-34; augite: Fs17.1-21.5Wo37.4-43.2; FeO/MnO=23-28; calcic plagioclase: An91-93.1

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2013
Mass (g):2000
Pieces:many
Class:Diogenite
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):22.9-46.4; 17.1-21.5
Wollastonite (mol%):1.4-9.8; 37.4-43.2
Classifier:A. Greshake, MNB
Type spec mass (g):20.4
Type spec location:MNB
Main mass:Marcin Cimala
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Woreczko Jan & Wadi   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6877 approved meteorites from (Northwest Africa) (plus 2037 unapproved names)

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