Northwest Africa 031
Information about the name
Name: Northwest Africa 031
This is an OFFICIAL meteorite name.
Official abbreviation: NWA 031
Year found: 1999
Class: H5
Country: Morocco
Coordinates: 30° 20'N, 5° 50'W
This is 1 of 70 approved meteorites from South, Morocco
This is 1 of 373 approved meteorites from Morocco
This is 1 of 27515 approved Ordinary chondrites (plus 33 unapproved names)
This is 1 of 5455 approved meteorites classified as H5 (plus 11 unapproved names)
References: Published in Meteoritical Bulletin, no. 84, MAPS 35, A199-A225 (2000) Find references in NASA ADS
Mass: 730 g
Place of purchase:Zagora
Latitude:30°20'N
Longitude:5°50'W
Mass (g):730
Pieces:1
Class:H5
Shock stage:S2
Weathering grade:W4
Fayalite (mol%):16.8
Ferrosilite (mol%):15.8
Info:Purchased by S. Afanasiev, V. Kalachev, and D. Kachalin during a 1999 meteorite expedition in the Moroccan Sahara; classifications by S. Afanasiev and M. Ivanova (Vernad); specimens, Vernad
Comments:NWA 027 and 031 are probably paired
Institutions and collections Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Kosygin Str. 19, Moscow 117975, Russia.