Living on the river shore: Late Pleistocene and Early Holocene Human Adaptations in the Uruguay River basin

Summary

This presentation provides new data on investigations on the middle basin of Uruguay River. The most recent research on Northern Uruguay in the K87 Tigre type site has yielded radiocarbon dates with similar ages to Clovis (ca. 13.000 cal yr BP). At a regional level, a settlement pattern emerges where the Paleoamerican residential sites are located on the banks of Uruguay River near the mouth of arroyos, near "rapidos", natural passages (pasos), and small cascades (cachoeiras). This pattern suggests that the sites are located in strategic places, where there are significant concentrations of resources related to hunting, fishing and raw material procurement and others resources necessary for human life as fresh water, firewood, wood and plant fibers among others. Recent definition of two Paleoamerican cultural complexes: Tigre (12,300-11,200 cal yr B.P.) and Pay Paso (11,081 to 10,065 cal yr B.P), allows understanding the cultural diversity for post-Fishtail times. This data is important because it allows recognizing and understanding of the technological reorganization occurred during the Pleistocene-Holocene transition in the Uruguay River basin.

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This Resource is Part of the Following Collections

• Society for American Archaeology 80th Annual Meeting, San Francisco, CA (2015)

Keywords

Spatial Coverage