North american indian dating
By 8,000 BC the North American climate was similar to today's.A study published in 2012 gives genetic backing to the 1986 theory put forward by linguist Joseph Greenberg that the Americas must have been populated in three waves, based on language differences Numerous Palaeo-Indian cultures occupied North America, from around the Great Plains and Great Lakes of the modern United States of America and Canada, as well as adjacent areas to the West and Southwest.In the sixteenth century, the earliest Spanish explorers encountered Mississippian peoples in the interior of present-day North Carolina and the Southeast.There have been many dubious stereotypes afforded the American Indians, but the simple truth is that when Europeans first encountered them, they were still operating (successfully) on a tribal level and the continent had never been governed as a single nation.The culture is identified by the distinctive Clovis point, a flaked flint spear-point with a notched flute, by which it was inserted into a shaft.
The Clovis culture ranged over much of North America and also appeared in South America.The society began building at this site about 950 AD, and reached its peak population in 1,250 AD of 20,00030,000 people, which was not equalled by any city in the present-day United States until after 1, 800 AD.Cahokia was a major regional chiefdom, with trade and tributary chiefdoms located in a range of areas from bordering the Great Lakes to the Gulf of Mexico.Recent re-examinations of Clovis materials using improved carbon-dating methods produced results of 11,050 and 10,800 radiocarbon years BP. Folsom tools were left behind between 9000 BCE and 8000 BCE. They were the earliest ancestors of the Athabascan-speaking peoples, including the present-day and historical Navajo and Apache. Archaeologists have explored and dated eleven Middle Archaic sites in present-day Louisiana and Florida at which early cultures built complexes with multiple earthwork mounds; they were societies of hunter-gatherers rather than the settled agriculturalists believed necessary according to the theory of Neolithic Revolution to sustain such large villages over long periods. A Late Archaic archaeological culture that inhabited the area of the lower Mississippi Valley and surrounding Gulf Coast.They constructed large multi-family dwellings in their villages, which were used seasonally. These people were part of the Southwestern Archaic Tradition centred in north-central New Mexico, the San Juan Basin, the Rio Grande Valley, southern Colorado, and south-eastern Utah. The prime example is Watson Brake in northern Louisiana, whose 11-mound complex is dated to 3,500 BC, making it the oldest, dated site in the Americas for such complex construction. Evidence of this culture has been found at more than 100 sites, from the major complex at Poverty Point, Louisiana across a 100-mile (160 km) range to the Jaketown Site near Belzoni, Mississippi.
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Within this area, societies participated in a high degree of exchange; most activity was conducted along the waterways that served as their major transportation routes.