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Northwest Africa 6566
Basic information Name: Northwest Africa 6566
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6566
Observed fall: No
Year found: 2010
Country: Morocco
Mass:help 145 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Eucrite
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 287 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 26 Sep 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6566 (NWA 6566)

Morocco

Found: 2010

Classification: HED achondrite (Eucrite)

Physical characteristics: Some remnant fusion crust, light tan exterior and interior color.

Petrography: Shock-melt generated, fine-grained granular to subophitic basalt matrix with basaltic xenoliths and rare diogenite and glassy shock melt clasts arranged in flow orientation. Post crystallization shock, S2-4; weathering grade is low. Component modes (vol %): matrix, 69: xenoliths, 18; shock melt, 8; diogenite, 5.

Geochemistry: Matrix: orthopyroxene Fs64.5Wo4.1, Al2O3 = 3.2 wt % (FeO/MnO = 28); augite, Fs29.8Wo42.6, Al2O3 = 4.5 wt %; plagioclase, An89. Diogenite clasts: orthopyroxene, Fs31.1Wo1.5 (FeO/MnO = 27); olivine Fa43.1 (FeO/MnO = 64); chromite cr# = 79.

Classification: Achondrite (polymict eucrite)

Specimens: 20 g on deposit at NAU; main mass held by Aaronson.

Data from:
  MB100
  Table 1
  Line 1420:
Place of purchase:Erfoud
Date:2010
Mass (g):145
Pieces:1
Class:Eucrite
Shock stage:S2-4
Weathering grade:low
Classifier:T. Bunch, NAU
Type spec mass (g):20
Type spec location:NAU
Main mass:Aaronson
Comments:Submitted by 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)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
bphd   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1212 approved meteorites from Morocco (plus 11 unapproved names)

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