The Appalachian Plateau is a series of rugged dissected plateaus located on the western side of the Appalachian Mountains.The Appalachian Mountains are a mountain range that run down the Eastern United States. The Appalachian Plateau is the northwestern part of the Appalachian Mountains, stretching from New York to Alabama.The plateau is a second level United States …

Appalachian Ohio is a bioregion and political unit in the southeastern part of the U.S. state of Ohio, characterized by the western foothills of the Appalachian Mountains and the Appalachian Plateau.The Appalachian Regional Commission defines the region as consisting of thirty-two counties. This region roughly overlaps with the Appalachian mixed-mesophytic forests, which …

The Appalachian Mountains, often called the Appalachians, (French: Appalaches), ... the mountain range. Most broadly, it refers to the entire mountain range with its surrounding hills and the dissected plateau region. The term is often used more restrictively to refer to regions in the central and southern Appalachian Mountains, ...

The Great Appalachian Valley, also called The Great Valley or Great Valley Region, is one of the major landform features of eastern North America.It is a gigantic trough—a chain of valley lowlands—and the central feature of the Appalachian Mountains system. The trough stretches about 1,200 miles (1,900 km) from Quebec in the north to Alabama in the south and has been …

Appalachia (/ ˌ æ p ə ˈ l æ tʃ ə,-l eɪ tʃ ə,-l eɪ ʃ ə /) is a cultural region in the Eastern United States that stretches from the Southern Tier of New York State to northern Alabama and Georgia. While the Appalachian Mountains stretch from Belle Isle in Newfoundland and Labrador, Canada, to Cheaha Mountain in Alabama, Appalachia typically refers only to the cultural region of the ...

The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America.Named for a distinctive outcrop near the village of Marcellus, New York, in the United States, it extends throughout much of the Appalachian Basin.. The unit name usage by the U.S. Geological Survey (USGS) includes Marcellus Shale and Marcellus …

The Alleghanian orogeny or Appalachian orogeny is one of the geological mountain-forming events that formed the Appalachian Mountains and Allegheny Mountains.The term and spelling Alleghany orogeny was originally proposed by H.P. Woodward in 1957.. The Alleghanian orogeny occurred approximately 325 million to 260 million years ago over at least five …

The Allegheny Mountain Range (/ æ l ɪ ˈ ɡ eɪ n i /; also spelled Alleghany or Allegany), informally the Alleghenies, is part of the vast Appalachian Mountain Range of the Eastern United States and Canada and posed a significant barrier to land travel in less developed eras. The Allegheny Mountains have a northeast–southwest orientation, running for about 400 miles (640 km) from …

The Pocono Mountains, to the immediate southwest in Pennsylvania, are also a part of the Allegheny Plateau. The Catskills contain more than 30 peaks above 3,500 feet (1,100 m) and parts of six important rivers. The Catskill Mountain 3500 Club is an organization whose members have climbed all the peaks in the Catskills over 3,500 feet (1,100 m).

The geology of the Appalachians dates back to more than 480 million years ago. A look at rocks exposed in today's Appalachian Mountains reveals elongate belts of folded and thrust faulted marine sedimentary rocks, volcanic rocks and slivers of ancient ocean floor – strong evidence that these rocks were deformed during plate collision.The birth of the Appalachian …