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Northwest Africa 8212
Basic information Name: Northwest Africa 8212
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8212
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 500 g
Classification
  history:
Recommended:  H-melt rock    [explanation]

This is 1 of 12 approved meteorites classified as H-melt rock.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 22 Feb 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8212 (NWA 8212)

(Northwest Africa)

Purchased: 2013

Classification: Ordinary chondrite (H, melt rock)

Petrography: Very fine-grained, melt-textured rock composed of sometimes euhedral olivine, orthopyroxene, rare augite, FeNi metal and FeS. Olivine and orthopyroxene show compositional zoning, i.e., Mg-rich core and Fe-rich rim.

Geochemistry: low-Ca pyroxene: Fs17.5-19.4 Wo1.7-4.6; Ca-pyroxene: Fs14.9Wo29.7

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2013
Mass (g):500
Pieces:1
Class:H-melt rock
Shock stage:Melted
Weathering grade:W3
Fayalite (mol%):18.3-23.9
Ferrosilite (mol%):17.5-19.4, 14.9
Wollastonite (mol%):1.7-4.6, 29.7
Classifier:A. Greshake, MNB
Type spec mass (g):21.4
Type spec location:MNB
Main mass:Art&Met and 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. 103, in preparation (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 5879 approved meteorites from (Northwest Africa) (plus 2066 unapproved names)

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