Yes / Geophysical survey at the three major henge monuments in the Wharfe Valley has provided details of survival and internal features. Excavation at Yarnbury has confirmed its Bronze Age date and has recovered material matching that from previous unrecorded excavations. The excavation has provided environmental data for the construction of the henge. The sites are placed in their regional context. / British Academy

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The sequence of timber circle - henge monument - stone circle is widely accepted. This is in spite of the reality that the datable evidence and contextual data upon which this series is based has seldom been subjected to any real form of critical evaluation. The aim of this research was to determine whether this order could still be deemed tenable in light of contemporary research and the continued advances that have been achieved relating to the application of radiocarbon dating. The findings of this study demonstrated that sufficient contextual data exists to enable phases of construction to be identified. However rarely did these data appear to support the currently accepted chronologies. Indeed more commonly they alluded to an alternative series, one that demonstrated how some individual site sequences may have been previously misinterpreted. This study has also proven how methodological and interpretative weaknesses, relating to the use of radiocarbon dating, have created a quantifiable degree of accuracy between individual radiocarbon determinations and their ability to be reliably associated with the event or act that they have been used to date. These findings have not only cast sufficient doubt upon the reliability of the currently accepted chronologies for these three monumental forms but have also alluded to the existence of a far more appropriate sequence that conforms to the overall conclusions of this review far more convincingly. Accordingly a new series of timber circle(s) - stone circle - henge monument is proposed by this study.

This paper summarises 80 years of 'henge' studies. It considers the range of monuments originally considered henges and how more diverse sites became added to the original list. It examines the diversity of monuments considered to be henges, their origins, their associated monument types and their dates. Since the introduction of the term, archaeologists have often been uncomfortable with it. It was introduced in inverted commas and those commas continued to be used for over 30 years. With the introduction of the term 'hengiform' the strictures of definition that characterised the monument class collapsed and an increased variety of circular and oval monuments were included under the henge aegis. It is suggested here that the term 'henge' has outlived its usefulness as we no longer know what we mean by it. Instead we should adopt an objective viewpoint and recognise these earth circles as just one manifestation of the tradition of circularity that pervades the third and second millennia BC.