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Summary Pollen analyses from sediment adhering to fossil mammalian bones from Barrington, Cambridgeshire, have demonstrated that the deposit is of Ipswichian zone IIb age. This is also indicated by the mammal fauna. Herb-dominated communities, which appear to have been largely maintained by the activities of herbivorous mammals, grew locally on the river floodplain, whilst temperate mixed-oak forest was present further away.
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Gibbard et al. (1975) studied this question.
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