| Abstract: |
This paper discusses the dynamics of lithic raw material procurement in the Izu Islands during the Jomon period. The utilization of obsidian, andesite and pumiceous rhyolite from different sources in the Izu Islands shows the high degree of raw material interdependence within the island group. This, however, should not be confused with isolation. Obsidian from Kozu was transported to the mainland on a large scale, reaching a peak during the Middle Jomon when it is found at sites on the Japan Sea coast. The evidence of ceramics and stone-paved dwelling technology also demonstrates regular cultural interaction, particularly with the Lanto region.
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