Recent Research on Obsidian from Iowa Archaeological Sites

In this paper we summarize the results of six years of passive obsidian collecting in Iowa during which time 31 samples were obtained and subjected to trace element analysis. We find that: (1) 74% of the obsidian originated at the Obsidian Cliff Quarry in Yellowstone National Park, Wyoming; and (2) in contrast with earlier midwestern studies where obsidian was found in ritual contexts on Middle Woodland sites, the Iowa material is associated with a broader temporal range and on sites where ritual use is not evident. A discussion of the analytical methods used is provided as well as of previous research on midwestern obsidian finds

Archaeology · Cliff · Geography · National park · Woodland · Archaeology and ancient environmental studies · Archaeology and Natural History · Ecology · Geology · Pleistocene-Era Hominins and Archaeology

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