header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 18 Nov 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 1978
Basic information Name: Northwest Africa 1978
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1978
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass:help 617 g
Classification
  history:
Meteoritical Bulletin:  MB 88  (2004)  Eucrite
MetBase:  v. 7.1  (2006)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 400 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeuphelp
Writeup from MB 88:

Northwest Africa 1978

Rissani, Er Rachidia, Morocco

Purchased 2002 February 17

Achondrite (eucrite)

A 617 g stone was purchased by Mike Farmer from a Moroccan dealer. Classification (David A. Kring and Ken Domanik, LPL): The specimen is a polymict breccia composed of fine- and medium-grained basaltic clasts, isolated pyroxene crystals, and clasts of breccia within the breccia.  The basalts contain high- and low-Ca pyroxene, plagioclase, sometimes silica, ilmenite, troilite, and rare metal.  Low-Ca pyroxene: Wo5-2 En34-54 Fs61-34, FeO/MnO=31.  Plagioclase: An81-94.  The basaltic clasts exhibit fracturing and undulose extinction. Specimens:: type specimen 20 g and thin section, UA, main mass, MFarmer.

Data from:
  MB88
  Table 4
  Line 108:
Place of purchase:Rissani
Date:17 Feb 2002
Mass (g):617
Class:Eucrite
Type spec mass (g):20
Institutions
   and collections		 MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address)
LPL: Lunar and Planetary Laboratory, University of Arizona, 1629 E. University Blvd., Tucson, AZ 85721, United States (institutional address; updated 14 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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)
METEORITICON   
Robert Zdancewicz   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

Direct link to this page