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豊川平野における沖積層最上部の<14>^C年代測定

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  • AMS radiocarbon dating of uppermost sediments in the Toyogawa plain

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Abstract

This paper reports AMS radiocarbon dating of uppermost sediments in the Toyogawa plain. Deposits were obtained in order to clarify a sedimentary process and a geomorphic change in this plain during the late Holocene. Five ages collectted from the sediments were measured. Refering to archaeological excavations, the author pointed out that expansion of the plain was probably intermittent and/or a erosion and filling happened since ca. 2,700 yrBP.

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