header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 19 Mar 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:
Limit to approved meteorite names
Search text:  
Northwest Africa 8177
Basic information Name: Northwest Africa 8177
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8177
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 3.93 kg
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 272 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 18 May 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8177 (NWA 8177)

(Northwest Africa)

Purchased: 2008 Apr

Classification: HED achondrite (Eucrite, monomict)

History: Purchased in Morocco by Adam Aaronson in April 2008.

Petrography: (A. Irving and S. Kuehner, UWS) Monomict breccia composed of small basaltic eucrite clasts and related debris; no diogenitic material is present.

Geochemistry: Orthopyroxene host (Fs62.0-62.7Wo2.2-2.5; FeO/MnO = 30), clinopyroxene exsolution lamellae (Fs26.7-27.7Wo43.5-41.9; FeO/MnO = 29-30).

Classification: Eucrite breccia (monomict).

Specimens: 24 g including a polished thin section at UWB. The remainder is held by Aaronson.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2008 Apr
Mass (g):3925
Pieces:1
Class:Eucrite-mmict
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):62.0-62.7; 26.7-27.7
Wollastonite (mol%):2.2-2.5; 43.5-41.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):24
Type spec location:UWB
Main mass:A. Aaronson
Comments:M871; submitted by A. Irving
Institutions
   and collections		 UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

Direct link to this page