Tempo of a mega-henge: A new chronology for mount pleasant, dorchester, dorset

Greaney, Susan, Hazell, Zoe, Barclay, Alistair, Bronk Ramsey, Christopher, Dunbar, Elaine, Hajdas, Irka, Reimer, Paula, Pollard, Joshua, Sharples, Niall and Marshall, Peter (2020) Tempo of a mega-henge: A new chronology for mount pleasant, dorchester, dorset. Proceedings of the Prehistoric Society, 86, 199-236. (doi:10.1017/ppr.2020.6).

Abstract

Radiocarbon dating and Bayesian chronological modelling have provided precise new dating for the henge monument of Mount Pleasant in Dorset, excavated in 1970–1. A total of 59 radiocarbon dates are now available for the site and modelling of these has provided a revised sequence for the henge enclosure and its various constituent parts: the timber palisaded enclosure, the Conquer Barrow, and the ditch surrounding Site IV, a concentric timber and stone monument. This suggests that the henge was probably built in the 26th century cal bc, shortly followed by the timber palisade and Site IV ditch. These major construction events took place in the late Neolithic over a relatively short timespan, probably lasting 35–125 years. The principal results are discussed for each element of the site, including comparison with similar monument types elsewhere in Britain and Ireland, and wider implications for late Neolithic connections and later activity at the site associated with Beaker pottery are explored.

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Contributors

Author: Joshua Pollard

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