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Northwest Africa 8270
Basic information Name: Northwest Africa 8270
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8270
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 1069 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  H4
Recommended:  H4    [explanation]

This is 1 of 5778 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 Feb 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8270 (NWA 8270)

(Northwest Africa)

Purchased: 2013 May

Classification: Ordinary chondrite (H4)

History: Purchased by Alexandre Debienne in May 2013 from a dealer in Agadir, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, equilibrated chondrules. Olivine, orthopyroxene, augite, sodic plagioclase, chromite, troilite and altered kamacite.

Geochemistry: Olivine (Fa17.4-17.6), orthopyroxene (Fs14.9-16.0Wo1.0-0.9), augite (Fs5.1-5.2Wo47.6-45.7).

Classification: Ordinary chondrite (H4).

Specimens: 21.6 g including one polished thin section at PSF; remainder with Mr. A. Debienne.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2013 May
Mass (g):1069
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):17.4-17.6
Ferrosilite (mol%):14.9-16.0
Wollastonite (mol%):1.0-0.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.6
Type spec location:PSF
Main mass:A. Debienne
Comments:AD13304; submitted by P. Sipiera
Institutions
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
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 6916 approved meteorites from (Northwest Africa) (plus 2027 unapproved names)

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