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Northwest Africa 5675
Basic information Name: Northwest Africa 5675
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5675
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 967 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 443 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 23 Jul 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 5675 (NWA 5675)

(Northwest Africa)

Purchased: 2008

Classification: HED achondrite (Eucrite)

History: The meteorite was bought in 2008 from a local meteorite dealer in Erfoud, Morocco.

Petrography: The meteorite is a brecciated eucrite with up to 3 cm sized basaltic and gabbroic clasts, black appearing recrystallized melt clasts and mineral fragments set into a finer grained matrix. Dominant mineral phases are calcic plagioclase and exsolved pyroxene; minor phases include chromite, troilite, and silica.

Geochemistry: low-Ca pyroxene: Fs56.3±1.5Wo5.9±1.8 (Fs54.2-58.1Wo3.8-8.1, n=7, FeO/MnO=29-32); Ca-pyroxene: Fs38.2±5.5Wo28.0±6.7 (Fs25.9-44.7Wo20.7-42.5, n=16, FeO/MnO=29-32); calcic plagioclase: An89.4±1.2 (An87.9-92.2, n=16)

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2008
Mass (g):967
Pieces:1
Class:Eucrite
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):56.3; 38.2
Wollastonite (mol%):5.9; 28.0
Classifier:A. Greshake, MNB
Type spec mass (g):27.0
Type spec location:MNB
Main mass:Marc Jost
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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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)
Dirk Hohmann      
eraserhead   
Michael Mulgrew   
Space Jewels   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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