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Northwest Africa 8505
Basic information Name: Northwest Africa 8505
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8505
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 1330 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 213 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 14 Sep 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8505 (NWA 8505)

(Northwest Africa)

Purchased: 2014

Classification: Mesosiderite

Petrography: The meteorite consists of about 60% silicates and 40% Fe-Ni metal. Silicate portions contain abundant low-Ca pyroxene and calcic plagioclase as well as minor augite, olivine, silica, and merillite.

Geochemistry: low-Ca pyroxene: Fs30.1±2.2Wo3.3±0.8 (Fs25.1-32.4Wo1.9-4.2, n=22), FeO/MnO=18-30; Ca-pyroxene: Fs14.6±1.1Wo41.2±0.7 (Fs12.8-17.1Wo39.9-42, n=10), FeO/MnO=17-26; calcic plagioclase: An92.9±1.2 (An90.4-95.1, n=19)

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2014
Mass (g):1330
Pieces:1
Class:Mesosiderite
Shock stage:S1
Weathering grade:low
Fayalite (mol%):20.2±0.9 (19.2-21.5, n=15)
Ferrosilite (mol%):30.1; 14.6
Wollastonite (mol%):3.3; 41.2
Classifier:A. Greshake, MNB
Type spec mass (g):20.5
Type spec location:MNB
Main mass:Tomasz Jakubowski, Jarkko Kettunen
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
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:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7810 approved meteorites from (Northwest Africa) (plus 1971 unapproved names)

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