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Northwest Africa 10577
Basic information Name: Northwest Africa 10577
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10577
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 1373 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 513 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 26 Mar 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10577 (NWA 10577)

(Northwest Africa)

Purchased: 2015

Classification: HED achondrite (Eucrite)

History: The meteorite was bought in 2015 from a local meteorite dealer in Morocco.

Petrography: The unbrecciated meteorite displays a relatively coarse-grained basaltic texture of exsolved pyroxene and lath-shaped calcic plagioclase with grain sizes of up to 1 mm. Minor phases include chromite, ilmenite and SiO2 polymorphs.

Geochemistry: low-Ca pyroxene: Fs60.5±0.9Wo2.4±0.7 (Fs58.6-62.7Wo1.9-4.6, n=15, FeO/MnO=32-37); Ca-pyroxene: Fs26.5±0.4Wo43.8±0.4 (Fs25.8-27.1Wo43.4-44.7, n=15, FeO/MnO=30-33); calcic plagioclase: An88.3±2 (An81.9-90.4, n=15)

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2015
Mass (g):1373
Pieces:2
Class:Eucrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):60.5; 26.5
Wollastonite (mol%):2.4; 43.8
Classifier:A. Greshake, MNB
Type spec mass (g):31.2
Type spec location:MNB
Main mass:Tomek Jakubowski
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:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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