Stone tools colorado

Following the discovery, Mahaffy contacted Bamforth, who specializes in the archaeology of the Great Plains, including its earliest inhabitants.

Bamforth immediately recognized that some quartzite and chert materials in the cache had come from several different areas he had visited while conducting research, including the Uinta Mountains in northeast Utah, the Green River Basin in northwest Colorado and southwest Wyoming, and Middle Park near Kremmling, Colorado. From there, the cache — which could have changed hands along the way — probably was toted to the Colorado River headwaters and over a pass in or near present-day Rock Mountain National Park, and up and over to the Front Range.

Climatic evidence indicates Boulder was cooler and wetter 13, years ago during in the late Pleistocene epoch and receding glaciers would have been prominent along the Front Range of Colorado. In addition to camels and horses, the landscape in present-day Colorado 13, years ago was home to now-extinct saber-toothed cats, wooly mammoths, dire wolves, short-faced bears, wooly rhinos, and giant ground sloths. While scientists have speculated these and other ice-age mammals may have disappeared as a result of overhunting, climate change or even the explosion of a wayward asteroid, the reasons remain unresolved, Bamforth said.

The Mahaffy cache — which includes elegantly crafted, salad plate-sized bifacial knives, a tool resembling a double-bitted axe and a number of smaller blades — is one of a handful of artifact collections known as Clovis caches, named after a particular tool style used by one of the oldest known groups of New World Paleo-Indians.

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Offering a wide range of approaches and diversity of place and time, the chapters address issues such as skill, social learning, technique, language, and cognition based on lithic technology. Stone Tools and the Evolution of Human Cognition will be of interest to Paleolithic archaeologists and paleoanthropologists interested in stone tool technology and cognitive evolution. Discover Magazine.

April Nowell is a Paleolithic archaeologist and professor of anthropology at the University of Victoria. She directs an international team of researchers in the study of Lower and Middle Paleolithic sites in Jordan and is known for her publications on cognitive archaeology, the archaeology of children, Paleolithic art, and the relationship between science, pop culture, and the media.