Acfer 331 : CM2 © Meteoriteshow  

Official name : Acfer 331
Date of find :
December 23, 2001
Total mass :
750 g
# of fragments :
10 fragments
Place : Acfer (Algeria)
Meteoritical Bulletin n°
87 (2003)
Classified by :
MNHN Paris & Blaise Pascal University - Clt. Fd.
Type :
CM2
On Earth for about a decade
Weathering grade :
W0
%Fa :
9,5%
%Fs :
5,4%
Remarks :
JUST LANDED ON EARTH ! It is a very dark and friable meteorite. Some fragments are rich in fusion crust. The matrix is abundant and porous. Few metal flakes are present in some chondrules only.
VERY RARE : it is the 2nd largest and the freshest African CM2.
 


on site pictures : December 23, 2001


main fragements :
some of them have fusion crust
(click on picture to enlarge)
 


details of fusion crust
(click on picture to enlarge)

more pictures...

MOST OF THE KNOWN CM2s ARE WITNESSED FALLS
EXCLUDING ANTARCTIC FINDS, THAT ARE VERY SMALL INDIVIDUALS, CM2s ARE EXTREMELY RARE

ACFER 331 was THE MOST IMPORTANT CM2 CLASSIFIED FIND SINCE "ADELAIDE" (AUSTR.) till another one was found on 12/20/2003: Tanezrouft 082
WELL DONE ANNICK AND JEAN-LUC!!!