TY - JOUR AU - Clark, Geoffrey AU - Petchey, Fiona AU - Winter, Olaf AU - Carson, Mike AU - O'Day, Patrick PY - 2009/12/31 Y2 - 2024/03/28 TI - New Radiocarbon Dates from the Bapot-1 Site in Saipan and Neolithic Dispersal by Stratified Diffusion JF - Journal of Pacific Archaeology JA - JPacArch VL - 1 IS - 1 SE - Articles DO - UR - https://pacificarchaeology.org/index.php/journal/article/view/7 SP - 21-35 AB - <p>The colonisation of the Mariana Islands in Western Micronesia is likely to represent an early ocean dispersal of more than 2000 km. Establishing the date of human arrival in the archipelago is important for modelling Neolithic expansion in Island Southeast Asia and the Pacific, particularly the role of long-distance dispersals. This paper presents new <sup>14</sup>C results and a &Delta;R estimate from the Bapot-1 site on Saipan Island, which indicate human arrival at <em>ca. </em>3400-3200 cal. BP. Archaeological chronologies of long-distance dispersal to Western Micronesia and the Lapita expansion (Bismarcks to Samoa) show that the Neolithic dispersal rate was increasing during the period <em>ca. </em>3400-2900 cal. BP. The range-versus-time relationship is similar to stratified diffusion whereby a period of relatively slow expansion is succeeded by long-distance movement. An increase in new colonies created by long-distance migrants results in accelerating range expansion.</p> ER -