P414Ho, chert from the Altenburg-Nobitz gravel pit

Fig.1: The tissue of the Psaronius aerial root mantle is well
preserved in the light-
coloured centre. Note also hematite and small white agates (centre left and
centre).
leg. SCHLESIER/Leukersdorf, coll. KRETZSCHMAR/Chemnitz,
scale bar 1 cm