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The Appalachian Mountains, [ b ] often called the Appalachians, are a mountain range in eastern to northeastern North America. The term "Appalachian" refers to several different regions associated with the mountain range, and its surrounding terrain. The general definition used is one followed by the United States Geological Survey and the ...
Overview. The Appalachian Mountains formed through a series of mountain-building events over the last 1.2 billion years: [4][5] The Grenville orogeny began 1250 million years ago (Ma) and lasted for 270 million years. The Taconic orogeny began 450 Ma and lasted for 10 million years. The Acadian orogeny began 375 Ma and lasted 50 million years.
Name Sub-range Type Administrative location Highest point Elevation (meter) Coordinate location Adams Mountain: Blue Ridge Mountains: mountain: Caldwell County, North Carolina
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, including 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 ...
Blue Ridge Mountains. The Blue Ridge Mountains are a physiographic province of the larger Appalachian Highlands range. The mountain range is located in the Eastern United States and extends 550 miles southwest from southern Pennsylvania through Maryland, West Virginia, Virginia, North Carolina, South Carolina, Tennessee, and Georgia. [ 1 ]
Appalachia (/ ˌæpəˈlætʃə, - leɪtʃə, - leɪʃə /) [4] is a geographic region located in the central and southern sections of the Appalachian Mountains of the eastern United States. Its boundaries stretch from the western Catskill Mountains of New York into Pennsylvania, continuing on through the Blue Ridge Mountains and Great Smoky ...
The following is a list of subranges within the Appalachian Mountains, a mountain range stretching ~2,050 miles from Newfoundland and Labrador, Canada to Alabama, US. The Appalachians, at their initial formation, were a part of the larger Central Pangean Mountains along with the Scottish Highlands, the Ouachita Mountains, and the Anti-Atlas ...
Ridge-and-Valley Appalachians. The Ridge-and-Valley Appalachians, also called the Ridge and Valley Province or the Valley and Ridge Appalachians, are a physiographic province of the larger Appalachian Highlands division. The physiographic province is divided into three sections: the Hudson Valley, the Central, and the Tennessee.
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