< Geochronology
Sequence table
| 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 |
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