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Restoration of a Columbian Mammoth. The paleolithic period (13000 B.C. to 7000 B.C.) occurred during the last centuries of the Ice age.The native people of Ohio descended from those who crossed the Bering Strait land bridge from Asia to North America.
The river's path traveled through modern-day West Virginia, Kentucky, Ohio, Indiana, and Illinois, finally emptying into the Gulf of Mexico, which at the time extended to southern Illinois. The glaciers of the Ice Age soon began to block the Teays, effectively damming the river and forming Lake Tight, near what is now Chillicothe, Ohio.
This ice sheet was the primary feature of the Pleistocene epoch in North America, commonly referred to as the ice age. During the Pre-Illinoian Stage, the Laurentide Ice Sheet extended as far south as the Missouri and Ohio River valleys.
A less severe cold period or ice age is shown during the Jurassic-Cretaceous (150 Ma). There have been five or six major ice ages in the history of Earth over the past 3 billion years. The Late Cenozoic Ice Age began 34 million years ago, its latest phase being the Quaternary glaciation, in progress since 2.58 million years ago.
Ohio River basin Lake Monongahela, along the Allegheny, Monongahela and upper Ohio Rivers. Glacial Lake Tight, named for William G. Tight along the Ohio and West Virginia border. Upper Mississippi River basin Lake Upham north of Duluth, Minnesota. [19] Lake Aitkin along the Mississippi River near Grand Rapids, Minnesota. [20]
An artist's impression of the last glacial period at glacial maximum [4]. The LGP is often colloquially referred to as the "last ice age", though the term ice age is not strictly defined, and on a longer geological perspective, the last few million years could be termed a single ice age given the continual presence of ice sheets near both poles.
Sheriden Cave is a Paleo-Indian archaeological site from the late Ice age in Wyandot County, Ohio. [1] Glacial deposits sealed off the cave more than 10,000 years ago. Sheriden Cave is a karst sinkhole on a dolomite ridge that crosses Hancock and Wyandot
Little Ice Age: Various dates between 1250 and 1550 or later are held to mark the start of the Little ice age, ending at equally varied dates around 1850 1460–1550 Spörer Minimum cold; 1656–1715 Maunder Minimum low sunspot activity; 1790–1830 Dalton Minimum low sunspot activity, cold