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Northwest Africa 6187
Basic information Name: Northwest Africa 6187
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6187
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 20 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Winonaite
Recommended:  Winonaite    [explanation]

This is 1 of 37 approved meteorites classified as Winonaite.   [show all]
Search for other: Primitive achondrites, Winonaites
Comments: Approved 28 Aug 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6187 (NWA 6187)    

(Northwest Africa)

Found: 2009

Classification: Primitive achondrite (Winonaite)

Petrography: Equigranular texture.

Geochemistry: (T. Bunch and Wittke, NAU) Opx Fe/Mn = 9.1; Ol Fe/Mn = 12.1; plag = An13.8; Cpx = Fs4.0. Modes: Opx, 48; Ol, 31; plag, 8; metal, 3; FeS, 6.

Data from:
  MB100
  Table 1
  Line 1301:
Place of purchase:Erfoud
Date:P 2009
Mass (g):20
Pieces:1
Class:Winonaite
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):4.1 (n=17)
Ferrosilite (mol%):6.8 (n=17)
Wollastonite (mol%):2.8
Classifier:T. Bunch and Wittke, NAU
Type spec mass (g):5
Type spec location:NAU
Main mass:AHabibi
Comments:Submitted by T. Bunch
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
AHabibi: Palms Hotel Club, Erfoud 52200, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
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METEORITES AUSTRALIA      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7009 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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