header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 17 Feb 2020
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 8473
Basic information Name: Northwest Africa 8473
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8473
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 218 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 232 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 26 Jul 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8473 (NWA 8473)

(Northwest Africa)

Purchased: 2013 Jun

Classification: HED achondrite (Eucrite, monomict)

History: Purchased in 2013 in Zagora

Physical characteristics: Cut surface reveals a fresh light gray interior with a few clasts about 1 mm in size.

Petrography: (J. Gattacceca, CEREGE) Brecciated ophitic to subophitic basalt with grain size 500 μm to 1 mm. Mineralogy: pyroxene, plagioclase, accessory ilmenite, silica, chromite, troilite, rare metal.

Geochemistry: Orthopyroxene Fs58.2-62.4Wo7.6-1.7, FeO/MnO = 35.0, n=6. Plagioclase An86.7Or0.8 range An77.7-92.8Or1.7-0.1), n=5. Magnetic susceptibility log χ = 2.82 (χ in 10-9 m3/kg).

Classification: Achondrite (basaltic monomict eucrite). Strong weathering.

Specimens: 21 g in CEREGE, main mass with Labenne

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Zagora
Date:P 2013 Jun
Mass (g):218
Pieces:1
Class:Eucrite-mmict
Weathering grade:high
Ferrosilite (mol%):58.2-62.4
Wollastonite (mol%):7.6-1.7
Magnetic suscept.:2.82
Classifier:J. Gattacceca and M. Aboulahris, CEREGE
Type spec mass (g):21
Type spec location:CEREGE
Main mass:Luc Labenne
Comments:Submitted by J. Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)
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 7181 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

Direct link to this page