Abstract
A carbonaceous inclusion in a chondrule and a carbonaceous fragment from the Tieschitz meteorite are described. Electronmicroprobe analyses of that material and of the carbonaceous matrix are compared with analyses of carbonaceous chondrites. This comparison shows that the carbonaceous material from the Tieschitz meteorite probably is a residual material of the chondrule-forming process. Therefore it is depleted mostly in magnesium and iron if compared with the carbonaceous chondrites. There is also a high probability that the Tieschitz carbonaceous material had suffered some alterations after agglomeration which are thought to be caused by a hydrothermal or pneumatolytic activity on the Tieschitz parent body.
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