We present investigations of archaeological wood from the pile-dwelling site Černelnik, near the place Kamnik pod Krimom on Ljubljansko barje. During rescue excavations in 2014, archaeologists collected 50 samples. The study of samples was carried out at the Department of Wood Science and Technology. We investigated samples using an established methodology which involves wood processing, macroscopic or microscopic wood identification, measuring, and dendrochronological research. Oak wood (Quercus sp.) was dominant with 56%. Then we have found shares of other types of wood: 20% ash (Fraxinus sp.), 8% alder (Alnus glutinosa), 6% hazel (Corylus avellana), 4% hornbeam (Carpinus betulus), 2% silver fir (Abies alba), 2% beech (Fagus sylvatic) and 2% of undefined diffuse-porous hardwood. For dendrochronological analysis, we selected samples of oak and ash wood, that contained more than 45 tree-rings. Of the 50 samples, 24 were eligible for dendrochronological research, namely 20 samples of oak (Quercus sp.) and 4 samples of ash (Fraxinus sp.). The diameters of the investigated trunks, most of which are remains of piles, were between 2 and 38 cm. They had between 2 and 184 rings. From 8 synchronized tree-ring series of oak samples, we assembled chronology of pile-dwelling, but it does not match with any existing chronology of the previously investigated sites. Archaeologists are now assuming, that the pile-dwelling originates from the beginning of 4th millennium B.C., which means that there is a possibility, that the Černelnik is older than all currently dated pile-dwellings from this millennium.
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