Tanezrouft 057 : C4 an © Meteoriteshow  

Official name : Tanezrouft 057
Date of find :
May 16, 2002
Total mass :
5400 g
# of fragments :
1 single fragment
Place : Tanezrouft (Algeria)
Meteoritical Bulletin n°
87 (2003)
Classified by :
MNHN Paris & Blaise Pascal University - Clt. Fd.
Type :
C4, affinities to CV4/CK4
Weathering grade : W3
%Fa :
30,1%
%Fs : 19,0%
Remarks :
Polished sections show huge chondrules (dia. 1mm approx.), a dark and abundant matrix (70% approx.) and many irregular CAIs (average size of 2 to 3mm), some of them reaching 2 to 3 cm !
Big dark inclusions are present as well, showing a very thin structure nearly without any chondrules nor CAIs. Many of them appear on the surface of the meteorite, which is crustfree.
 

UNIQUE ! STUDY IS STILL IN PROGRESS.


on site pictures, May 16, 2002


cuts on Tanezrouft 057
(click on picture to enlarge)
 


close view
(click on picture to enlarge)
cut section (Type Specimen 110g)
(MNHNP)

showing CAIs and dark inclusions
(click on picture to enlarge)
Slice nr1

showing two huge CAIs and huge dark inclusions (click on "CAI nr1", "CAI nr2", "dark inclusion", or on the slice itself to enlarge what you wish)


MORE PICTURES