Teays River

Teays River

[
Ohio and Indiana.]

The Teays River (pronEng|teɪz "taze" "A Great Lost River Gets Its Due," The New York Times, November 29, 1983.] ) was an important preglacial river that drained much of the area now drained by the Ohio River, and more. Traces of the Teays across northern Ohio and Indiana are represented by a network of river valleys. These valleys were carved in the late Cenozoic and eventually led to the Mississippi River. The largest contributor to the Teays River was the Kanawha River, which is itself an extension of the New River.

The Teays River was a north- to northwest-flowing river prior to the Pleistocene (Ice Ages). The river was dissected and largely wiped away by advancing glaciers and meltwater from glaciers. The Teays flowed through southwest West Virginia, between Kentucky and Ohio, and northwest across Ohio (see image of former course and tributaries). Massive continental ice sheets began to cover large parts of Ohio and other states downstream (west) of Ohio between 2.5 and 3 million years ago. Their presence caused lakes to form along the Teays and associated rivers. Overflow of these lakes into nearby, lower valley caused large floods and new rivers to form. These rivers include the Ohio and Scioto rivers, which are associated with the most direct evidence of the Teays River.

Visual remains of the Teays River include large valleys containing only small streams. The valleys can be seen on aerial and satellite images. However, short segments of the valleys are occupied by the Ohio and Scioto rivers. The Scioto River flows through the valley in the opposite direction (south) taken by the Teays River (north).

Through all its shifts and changes the river has retained a continuous history, with the result that the present Ohio-Mississippi river system contains some unique relict populations descended from Jurassic fishes of the Teays, such as the Bowfin and the Gar.

The river was named by geologist William G. Tight after the village of Teays, West Virginia.

References

External links

* [http://ohiodnr.com/?TabId=7867 Ohio DNR: "Geofacts: THE TEAYS RIVER"]
* [http://www.nps.gov/neri/ NPS.gov: "Geology of the New River"]
* [http://tapestry.usgs.gov/features/41teaysriver.html USGS:Teays River]


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