header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 16 Jan 2023
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Northwest Africa 8662
Basic information Name: Northwest Africa 8662
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8662
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 46.5 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 18 Feb 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8662 (NWA 8662)

(Northwest Africa)

Purchased: Oct 2014

Classification: HED achondrite (Eucrite)

Petrography: (P. Warren, UCLA) This eucrite shows a mildly brecciated version of typical medium-subophitic eucrite texture, including thoroughly exsolved pyroxenes. Minor Fe-metal.

Geochemistry: Low-Ca pyroxene En36.1±0.8Wo2.2±0.3, FeO/MnO wt ratio 30.1±1.2, n=8; high-Ca pyroxene En29.5±0.4Wo43.3±0.5, n=7; plagioclase An84.8±4.6, n=21.

Classification: Eucrite (monomict breccia).

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P Oct 2014
Mass (g):46.5
Pieces:1
Class:Eucrite
Shock stage:moderate
Weathering grade:moderate
Ferrosilite (mol%):61.7
Wollastonite (mol%):2.2
Classifier:P. Warren, UCLA
Type spec mass (g):10.7
Type spec location:UCLA
Main mass:Larry Atkins
Comments:Submitted by P. Warren
Institutions
   and collections		 UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

Direct link to this page