Trampling Experiments in the Search for the Earliest Americans

Abstract

Experiments were undertaken to evaluate a natural versus cultural origin for a set of modified pebbles and cobbles found in pre-Clovis-age contexts at the Big Eddy site (23CE426) in southwest Missouri, U.S.A. Two experiments involving Asian elephants and American bison provided evidence that pre-Clovis-age modified cobbles, pebbles, and flakes probably were produced by the trampling of large mammals traversing alluvial gravel bars in search of food and water in a riparian environment. The production of “zoofacts” and behavioral aspects of elephants are described with respect to research on the earliest Americans.

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