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==Discovery== ==Discovery==
A field school from the ] found a ] site in the summer of 2007, containing the oldest human ] yet discovered in the American continents. This assertion is based on dried-out samples of excrement (called ]) found in the Paisley Caves, about 220 miles southeast of ], on the eastern side of the ] mountain range.<ref>Gilbert, M. Thomas P., Dennis L. Jenkins, et. al. , Science Express. ].</ref><ref></ref><ref>Fox, Maggie. , Scientific American, ] ].</ref> The caves are in the ] basin at 4520 ft elevation and face to the west. They are north of the town of ].<ref> {{cite web A field school from the ] found a ] site in the summer of 2007, containing the oldest human ] yet discovered in the American continents. This assertion is based on dried-out samples of excrement (called ]) found in the Paisley Caves, about {{convert|220|mi|km}} southeast of ], on the eastern side of the ] mountain range.<ref>Gilbert, M. Thomas P., Dennis L. Jenkins, et. al. , Science Express. ].</ref><ref></ref><ref>Fox, Maggie. , Scientific American, ] ].</ref> The caves are in the ] basin at {{convert|4520|ft|m}} elevation and face to the west. They are north of the town of ].<ref> {{cite web
| url = http://darkwing.uoregon.edu/~ftrock/paisley_caves_description.php | url = http://darkwing.uoregon.edu/~ftrock/paisley_caves_description.php
| title = NGBPP Research at the Paisley Caves | title = NGBPP Research at the Paisley Caves
| author = Dennis L. Jenkins, Director, Northern Great Basin Field School | author = Dennis L. Jenkins, Director, Northern Great Basin Field School
| accessdate = 2008-04-03 | accessdate = 2008-04-03
}} </ref> The coprolites were in the same level as a small rock-lined hearth some 2 meters below the modern surface. At that level was also discovered a large number of bones from waterfowl, fish, and large mammals including extinct camel and horse. ] places these coprolites between 12,750 and 14,290 calendar years before the present, probably representing a pre-Clovis occupation. }} </ref> The coprolites were in the same level as a small rock-lined hearth some {{convert|7|ft|m|0}} below the modern surface. At that level was also discovered a large number of bones from waterfowl, fish, and large mammals including extinct camel and horse. ] places these coprolites between 12,750 and 14,290 calendar years before the present, probably representing a pre-Clovis occupation.


The theory that Pre-Clovis immigrants travelled to North America down the Pacific Coast suggests that the travellers would have passed through the hinterlands of what is Oregon today. The Paisley Caves, up-river from the ] along the ], are therefore an ideal spot to search for the evidence of such people.<ref></ref> The theory that Pre-Clovis immigrants travelled to North America down the Pacific Coast suggests that the travellers would have passed through the hinterlands of what is Oregon today. The Paisley Caves, up-river from the ] along the ], are therefore an ideal spot to search for the evidence of such people.<ref></ref>

Revision as of 17:21, 4 April 2008

The Paisley Caves complex in the U.S. state of Oregon is an archeological site; in one, Paisley 5 Mile Point Cave, human coprolites, thought to be evidence of the oldest definitely-dated human presence in North America, have been discovered.

Discovery

A field school from the University of Oregon found a pre-Clovis culture site in the summer of 2007, containing the oldest human DNA yet discovered in the American continents. This assertion is based on dried-out samples of excrement (called coprolites) found in the Paisley Caves, about 220 miles (350 km) southeast of Eugene, Oregon, on the eastern side of the Cascade mountain range. The caves are in the Summer Lake basin at 4,520 feet (1,380 m) elevation and face to the west. They are north of the town of Paisley, Oregon. The coprolites were in the same level as a small rock-lined hearth some 7 feet (2 m) below the modern surface. At that level was also discovered a large number of bones from waterfowl, fish, and large mammals including extinct camel and horse. Radiocarbon dating places these coprolites between 12,750 and 14,290 calendar years before the present, probably representing a pre-Clovis occupation.

The theory that Pre-Clovis immigrants travelled to North America down the Pacific Coast suggests that the travellers would have passed through the hinterlands of what is Oregon today. The Paisley Caves, up-river from the Pacific Ocean along the Klamath River, are therefore an ideal spot to search for the evidence of such people.

See also

References

  1. Gilbert, M. Thomas P., Dennis L. Jenkins, et. al. DNA from Pre-Clovis Human Coprolites in Oregon, North America, Science Express. 2008-04-03.
  2. Preclovis
  3. Fox, Maggie. Ancient feces indicates earlier American origins, Scientific American, April 3 2008.
  4. Dennis L. Jenkins, Director, Northern Great Basin Field School. "NGBPP Research at the Paisley Caves". Retrieved 2008-04-03.{{cite web}}: CS1 maint: multiple names: authors list (link)
  5. Paisley Caves

42°45′43″N 120°33′13″W / 42.76195°N 120.55368°W / 42.76195; -120.55368

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