header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 14 Sep 2019
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 7139
Basic information Name: Northwest Africa 7139
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7139
Observed fall: No
Year found: 2010
Country: Morocco
Mass:help 4.11 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 339 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 17 May 2012
Writeuphelp
Writeup from MB 100:

Northwest Africa 7139 (NWA 7139)

Morocco

Found: 2010

Classification: HED achondrite (Eucrite, polymict)

Petrography: Polymict breccia with basaltic and cumulate eucrite clasts. Contains orthopyroxene, pigeonite, Ca-pyroxene, silica, ilmenite, and merrillite.

Geochemistry: Basaltic orthopyroxene, Fs56Wo3.0; augite, Fs27.7Wo44; plagioclase, An88.

Classification: Achondrite (Eucrite-pmict)

Data from:
  MB100
  Table 1
  Line 1654:
Place of purchase:Erfoud
Date:2010
Mass (g):4.11
Pieces:1
Class:Eucrite-pmict
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):56-63.4
Wollastonite (mol%):3.1-13.6
Classifier:T. Bunch and J. Wittke, NAU
Type spec mass (g):1.11
Type spec location:PSF
Main mass:F. Kuntz
Comments:Submitted by Wittke
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
The Wilcox Collection of Meteorites   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1390 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

Direct link to this page