Plate Tectonics is a theory developed in the late 1960s, to explain how the outer layers of the Earth move and deform. The theory has caused a revolution in the way we think about the Earth. Since the development of the theory, geologists have had to reexamine almost every aspect of Geology. Plate tectonics has proven to be so useful that it can predict geologic events and explain almost all aspects of what we see on the Earth.
Steubenville is a city in and the county seat of Jefferson County, Ohio, United States. Located along the Ohio River, it had a population of 18,659 at the 2010 census.
Steuben County, Indiana offers year-round recreational opportunities. Enjoy a ride down Indianaâs only refrigerated toboggan at Pokagon State Park. The 1,260-acre park on Lake James has hiking trails, camping, nature center, boat rentals and the 137-room Potawatomi Inn. Find unique shopping opportunities in quaint downtowns and at The Outlet Shoppes at Fremont. End the day at one of Northern Indiana Lakes Countryâs hotels.