header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 6 Aug 2022
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 7249
Basic information Name: Northwest Africa 7249
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7249
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 6.76 kg
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  L5
Recommended:  L5    [explanation]

This is 1 of 8298 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 19 May 2012
Writeuphelp
Writeup from MB 100:

Northwest Africa 7249 (NWA 7249)

Morocco

Purchased: 2012

Classification: Ordinary chondrite (L5)

History: Purchased by Blaine Reed in Tucson, February 2012.

Physical characteristics: One stone with weathered tan surface. Interior shows a few chondrules to 5 mm set in a dark-brown matrix, with disseminated fine metal/sulfide.

Petrography: Microprobe examination of a polished mount shows numerous chondrules, PO and BO, most with mesostasis, very small scattered plagioclase grains also present, metal is >75% oxidized.

Geochemistry: Olivine Fa25.4±1.5, Fe/Mn=52±4, n=30; orthopyroxene Fs21.0±1.0Wo1.5±1.5, Fe/Mn=30±2, n=28.

Classification: Ordinary chondrite (L5), weathering grade W3.

Specimens: 45.9 g including a probe mount on deposit at UNM, Reed holds the main mass.

Data from:
  MB100
  Table 1
  Line 1693:
Place of purchase:Tucson
Date:P 2012
Mass (g):6760
Pieces:1
Class:L5
Weathering grade:W3
Fayalite (mol%):25.4±1.5
Ferrosilite (mol%):21.0±1.0
Wollastonite (mol%):1.5±1.5
Classifier:C. Agee
Type spec mass (g):45.9
Type spec location:UNM
Main mass:Reed
Comments:Submitted by C. Agee
Institutions
   and collections		 UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, United States; 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:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1871 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater)

Direct link to this page