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Northwest Africa 7098
Basic information Name: Northwest Africa 7098
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7098
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 48 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 344 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 31 May 2012
Writeuphelp
Writeup from MB 100:

Northwest Africa 7098 (NWA 7098)

(Northwest Africa)

Purchased: 2011

Classification: HED achondrite (Eucrite, polymict)

Petrography: Fresh, brecciated specimen composed of lithic and mineral clasts set in a clastic matrix; lithic clasts include basaltic clasts and dark impact melt fragments; mineral clasts are dominantly large plagioclase and exsolved pyroxenes. Contains accessory ilmenite and troilite.

Geochemistry: low Ca-pyroxene Fs59.7 (59.3-60.1) Wo1.8 (1.4-2.6), Fe/Mn=30-32; high Ca-pyroxene Fs25.5 (24.2-26.4) Wo43.5 (42.5-44.3), Fe/Mn=28-30; plagioclase An91.9 (88.2-93.3)

Data from:
  MB100
  Table 1
  Line 1626:
Place of purchase:Erfoud, Morocco
Date:P 2011
Mass (g):48
Pieces:4
Class:Eucrite-pmict
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):59.3-60.1; 24.2-26.4
Wollastonite (mol%):1.4-2.6; 42.5-44.3
Classifier:A, Greshake, MNB
Type spec mass (g):10.0
Type spec location:MNB
Main mass:H. Strufe
Comments:T; submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum f├╝r Naturkunde, Invalidenstra├če 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7101 approved meteorites from (Northwest Africa) (plus 2004 unapproved names)

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