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Piedmont (United States)

The James River winds its way among Piedmont hills in central Virginia. Most of the hills in the Piedmont region are smaller than these.
Piedmont plateau region (shaded)

The Piedmont is a plateau region located in the eastern United States between the Atlantic Coastal Plain and the main Appalachian Mountains, stretching from New Jersey in the north to central Alabama in the south. The Piedmont province is a physiographic province of the larger Appalachian division. The province consists of the Piedmont Upland and Piedmont Lowlands sections.

The fall line marks its eastern boundary with the Coastal Plain. To the west, the Piedmont is mostly bounded by the Blue Ridge Mountains, the easternmost range of the main Appalachians. Physiographically, the Piedmont is considered a province of the larger Appalachian Highlands physiographic division.[1] The width of the Piedmont varies, being quite narrow above the Delaware River but nearly 300 miles (475 km) wide in North Carolina. The Piedmont's area is approximately 80,000 square miles (210,000 km2).[2]

The name "Piedmont" comes from the French term for the same physical region, literally meaning "foothill", ultimately from Latin "pes montium", meaning "the foot of the mountains". The region is named after the Italian region of Piedmont, the lowlands which abut the Alps.

Contents

  • Geology 1
  • Soils and farming 2
  • Music 3
  • Cities 4
  • See also 5
  • References 6
  • Further reading 7
  • External links 8

Geology

The surface relief of the Piedmont is characterized by relatively low, rolling hills with heights above sea level between 200 feet (50 m) and 800 feet to 1,000 feet (250 m to 300 m). Its geology is complex, with numerous rock formations of different materials and ages intermingled with one another. Essentially, the Piedmont is the remnant of several ancient mountain chains that have since been eroded away. Geologists have identified at least five separate events which have led to sediment deposition, including the Grenville orogeny (the collision of continents that created the supercontinent Rodinia) and the Appalachian orogeny during the formation of Pangaea. The last major event in the history of the Piedmont was the break-up of Pangaea, when North America and Africa began to separate. Large basins formed from the rifting and were subsequently filled by the sediments shed from the surrounding higher ground. The series of Mesozoic basins is almost entirely located inside the Piedmont region.

Soils and farming

Piedmont soils are generally clay-like and moderately fertile. In some areas they have suffered from erosion and over-cropping, particularly in the South where cotton was historically the chief crop. In the central Piedmont region of North Carolina and Virginia, tobacco is the main crop, while in the north there is more diversity, including orchards, dairying, and general farming.[2]

Music

The Piedmont region is closely associated with the Great Migration, Black Americans migrated to the Piedmont. With the Appalachian Mountains to the west, those who might otherwise have spread into rural areas stayed in cities and were thus exposed to a broader mixture of music than those in, for example, the rural Mississippi delta. Thus, Piedmont blues was influenced by many types of music such as ragtime, country, and popular songs—styles that had comparatively less influence on blues music in other regions.

Cities

Many major cities are located on the fall line, the eastern boundary of the Piedmont. (In Georgia and Alabama, where the Piedmont runs mostly east to west, the fall line is its southern boundary.) The fall line, where the land rises abruptly from the coastal plain, marks the limit of navigability on many major rivers, so inland ports sprang up along it.

Within the Piedmont region itself, there are several areas of urban concentration, the largest being the Atlanta metropolitan area.

See also

References

  1. ^ "Physiographic divisions of the conterminous U. S.". U.S. Geological Survey. Retrieved 2007-12-06. 
  2. ^ a b "Piedmont". The Columbia Gazetteer of North America, 2000. Archived from the original on 2005-03-10. Retrieved 2007-12-09. 

Further reading

  • Michael A. Godfrey (1997). Field Guide to the Piedmont. Chapel Hill: University of North Carolina Press. 524 pages. ISBN 0-8078-4671-6.

External links

  • Hilton Pond Center for Piedmont Natural History
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