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 7132
Basic information Name: Northwest Africa 7132
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7132
Observed fall: No
Year found: 2010
Country: Morocco
Mass:help 143 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 185 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 17 May 2012
Writeuphelp
Writeup from MB 100:

Northwest Africa 7132 (NWA 7132)

Morocco

Found: 2010

Classification: Mesosiderite

Petrography: Equal distribution of metal clumps (35 vol%), noritic diogenite (orthopyroxene and plagioclase) clasts (60 vol%), some with recrystallized margins, and large (to 5 mm) olivine xenoliths (dunitic) mantled by eucritic melt crystallization (5 vol%).

Geochemistry: Olivine Fa13.3, Fe/Mn=44; orthopyroxene Fs31.2-33.4, Fe/Mn=28; plagioclase An93; metal Ni=5.2-13.3 wt %.

Classification: Mesosiderite (with dunite and and noritic diogenite clasts).

Data from:
  MB100
  Table 1
  Line 1648:
Place of purchase:Besancon
Date:2010
Mass (g):143
Pieces:1
Class:Mesosiderite
Shock stage:moderate
Weathering grade:low
Fayalite (mol%):13.3
Ferrosilite (mol%):31.2-33.4
Wollastonite (mol%):3.1-5.0
Classifier:T. Bunch and J. Wittke, NAU
Type spec mass (g):20.38
Type spec location:PSF
Main mass:F. Kuntz
Comments:Submitted by Bunch
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)
Franco Vignato      
Michal Tomecek   
Mike Markowitz   
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