Hi Patricia,
the very smooth surface and rounded edges of the objects (appearance
like polished stone) support the involvement of mineral components in
the preservation process.
Cheers,
Simone
Zitat von [log in to unmask]:
> Sorry I forgot the attachment, here it is...
>
> Patricia
>
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--
Simone Riehl (Dr. rer. nat., M.A., Archaeobotanist)
Institute for Prehistory and Quaternary Ecology
Ruemelinstrasse 23
D-72070 Tuebingen
Germany
Tel. / Fax +49 (0)7071 2978915 / 295717
http://www.urgeschichte.uni-tuebingen.de/index.php?id=132
http://www.cuminum.de/archaeobotany/
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It is impossible to speak in such a way that you cannot be misunderstood.
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