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Northwest Africa 6436
Basic information Name: Northwest Africa 6436
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6436
Observed fall: No
Year found: 2009
Country: Morocco
Mass:help 115.7 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  Mesosiderite-B2
Recommended:  Mesosiderite-B2    [explanation]

This is 1 of 7 approved meteorites classified as Mesosiderite-B2.   [show all]
Search for other: Class B mesosiderites, Mesosiderites, and Metal-rich meteorites
Comments: Had been released on 30 Aug 2012 as NWA 5436.
Approved 31 Aug 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 6436 (NWA 6436)

Morocco

Found: 2009

Classification: Mesosiderite (group B2)

Petrography: Partially recrystallized orthopyroxene breccia with minor pigeonite, plagioclase, SiO2, metal, and merrilite. Moderate weathering and low shock. Orthopyroxene, Fs 27.3Wo 2.2, Fe/Mn=34; pigeonite, Fs45 Wo8; plagioclase, An93Or3. Mesosiderite B2 (based on the greater amount of orthopyroxene to plagioclase and low degree of recrystallization).

Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:2009
Mass (g):115.7
Pieces:11
Class:Mesosiderite-B2
Shock stage:S2
Weathering grade:low
Fayalite (mol%):30.1
Ferrosilite (mol%):25.6
Wollastonite (mol%):2.2
Classifier:T. Bunch and J. Wittke, NAU
Type spec mass (g):22.65
Type spec location:PSF
Main mass:F. Kuntz
Comments:Submitted by Wittke
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1390 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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