B. Papp szerk.: Studia Botanica Hungarica 36. 2005 (Budapest, 2005)

Medzihradszky, Zsófia: Holocene vegetation history and human activity in the Kis-Balaton area, Western Hungary

Table 3. Radiocarbon data of Főnyed. lab.code depth/cm conv. radiocarbon age (BP) calibrated radiocarbon age (BC) deb-7711 0-20 3030+55 1410-1115 deb-7909 30-50 4085+60 2768-2485 deb-7717 50-60 4530+55 3375-3051 deb-7925 60-70 5010+60 3939-3684 deb-7718 70-80 5475+70 4466-4161 deb-7833 80-100 5980+65 5012-4730 deb-7720 100-110 4890±55 3786-3614 deb-7928 155-165 5955+75 5022-4678 deb-7725 180-190 6080+55 5102-4818 deb-7929 195-205 7010+160 6193-5635 deb-7937 205-210 7030+95 5991-5818 deb-7727 220-230 7275+70 6242-6004 Sedimentation The coring area was covered with 50 cm deep water, the depth data were calculated below of this water, from the top of the soil (Table 4.) The sedimentation rate was constant between 4900 and 1300 BC, about 43 yr/cm. Around 4,900 BC a 70 cm thick sediment was developed very rapidly during a period of few years. The feature of the sediment refers to a flood, a sort of inTable 4. Lithology of Főnyed. Depth Description of the sediment 0-30 cm soft black soil with molluscs, roots and stems remains 30-107 cm mixed peat wit mollusc debris, sandy layer between 55-57 cm 107-158 cm bright calciferous mud 158-170 cm muddy layer with rich organic content 170-180 cm fibrous peat 180-232 cm blackish brown peat 232-280 cm sandy layer 280-480 cm calciferous mud