Geochronology/Palynology

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Sequence table[edit]

European Pollen Zones
Zone Biostratigraphic division Dates Dominant plant type Archaeological periods Geological stage
IX Sub-Atlantic 500 BC to present Spread of grasses and pine and beech woodland Iron Age onwards Flandrian interglacial
VIII Sub-Boreal 3000 - 500 BC Mixed oak forest Bronze Age and Iron Age Flandrian
VII Atlantic period 5500 -3000 BC Mixed oak forest Neolithic and Bronze Age Flandrian
V and VI Boreal c. 7700 - 5500 BC Pine/birch forest and increasing mixed forest Mesolithic Flandrian
IV Boreal - Pre-Boreal c. 8300 - 7700 BC Birch forest Late Upper Palaeolithic and early - mid Mesolithic Devensian glaciation and Flandrian
III Younger Dryas c. 8800 - 8300 BC Tundra Late Upper Palaeolithic Devensian
II Allerød Oscillation c. 9800 - 8800 BC Tundra, Park Tundra and birch forest Late Upper Palaeolithic Devensian
Ic Older Dryas c. 10,000 - 9800 BC Tundra Late Upper Palaeolithic Devensian
Ib Bølling Oscillation c. 10,500 - 10,000 BC Park Tundra Late Upper Palaeolithic Devensian
Ia Oldest Dryas c. 13,000 - 10,500 BC Tundra Late Upper Palaeolithic Devensian