header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 28 Nov 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 1980
Basic information Name: Northwest Africa 1980
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1980
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass:help 546 g
Classification
  history:
Meteoritical Bulletin:  MB 88  (2004)  Eucrite
MetBase:  v. 7.1  (2006)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 240 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeuphelp
Writeup from MB 88:

Northwest Africa 1980  

Morocco

Found 2002

Achondrite (eucrite)

A 546 g fully crusted stone was purchased in Erfoud  in 2002.  Classification and mineralogy (T. Bunch and J. Wittke, NAU): monomict, cumulate eucrite breccia; clast size, millimeters to 6 cm; cataclastic, microgranular veining with minor recrystallization.  Inverted pigeonite (Fs48Wo2.5); augite lamellae (Fs15Wo46); plagioclase (An93); sulfide, ilmenite, chromite (Cr/Cr + Al = 65), and metal (Ni = 7.1 wt %). Shock level, S3/4; reduced birefringence, mosaicness, and deformation lamellae in pyroxenes; minor development of maskelynite. Very fresh, shiny black fusion crust and un-oxidized metal; minor terrestrial carbonate alteration veins. Specimens: 23 g, NAU; main mass, Boswell.

Data from:
  MB88
  Table 4
  Line 109:
Place of purchase:Erfoud
Date:2002
Mass (g):546
Pieces:1
Class:Eucrite
Type spec mass (g):21.3
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 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)
Andreas Grünemeyer      
Auricular   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7483 approved meteorites from (Northwest Africa) (plus 1994 unapproved names)

Direct link to this page