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Northwest Africa 8499
Basic information Name: Northwest Africa 8499
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8499
Observed fall: No
Year found: 2000
Country: (Northwest Africa)
Mass:help 15 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 603 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 14 Sep 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8499 (NWA 8499)

(Northwest Africa)

Purchased: 2000

Classification: HED achondrite (Eucrite)

Petrography: The meteorite appears to be unbrecciated and displays a coarse-grained basaltic texture of exsolved pyroxene and calcic plagioclase. Minor phases include chromite and troilite.

Geochemistry: low-Ca pyroxene: Fs58±0.4Wo1.9±0.1 (Fs57.1-58.6Wo1.7-2, n=19), FeO/MnO=32-35; Ca-pyroxene: Fs24±0.5Wo45±0.5 (Fs23.2-25Wo44.1-45.7, n=17), FeO/MnO=29-36; calcic plagioclase: An82.5±1.8 (An79.2-86.9, n=25)

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2000
Mass (g):15
Pieces:1
Class:Eucrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):58; 24
Wollastonite (mol%):1.9; 45
Classifier:A. Greshake, MNB
Type spec mass (g):3.3
Type spec location:MNB
Main mass:Harald Stehlik
Comments:Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Stehlik: Harald Stehlik, 1220 Wien, Austria (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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