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Piedmont region of Georgia

Piedmont region of Georgia

Piedmont region of Georgia

Piedmont is located in Georgia on the northern border of the Atlanta metropolitan area. Piedmont includes the hometowns of many noteworthy individuals such as Barack Obama, Jimmy Carter, Sadie Nash, and Anita Bryant.Since the Piedmont did not spend millennia under the ocean, its rocks were not washed into sand. So, we can get a great idea of the geological history of Georgia from the Piedmont region. Some of the rocks in this region predate the Appalachian Mountains themselves, one of North America's oldest mountain ranges at roughly 500 million years old. This ancient geologic history helped promote the conditions for certain minerals, and Georgia actually had its own gold rush back in the early 1800s.

Georgia

It is part of a larger area called the southern Piedmont, which is located in the southeastern and mid-Atlantic regions of the United States and is about 870 miles long and 60 to 190 miles wide. It runs in a northeast-to-southwest direction, following the main axis of the mountains, faults, and coastline of the southeastern United States. The southern Piedmont extends from Alabama and Georgia northeastward through South Carolina and North Carolina. The boundary of the Piedmont on the southeastern side is the fall line, which generally separates the crystalline rocks of the Piedmont from the sedimentary rocks of the Atlantic Coastal Plain. In Georgia and the Carolinas the rivers mostly rise in the Piedmont and flow to the southeast, cutting through the metamorphic rocks that extend in the direction of the ocean underneath the sandy soils of the Coastal Plain.

At the surface where Coastal Plain and Piedmont rocks are juxtaposed, the rivers may have waterfalls or rapids. In the early days of settlement by Europeans, these falls could interrupt travel. Sometimes it was necessary to stop at the falls, unload the cargo, and place it in warehouses, where it could be repackaged for shipment in small boats farther up the rivers. This meant that forts and houses were built at these locations, and the resulting “fall line cities” formed a consistent pattern of urban development across the region. In Georgia the important fall line cities are Augusta, Macon, and Columbus.A thick pile of variably metamorphosed sedimentary rocks from the late Precambrian Period to early Paleozoic Period mantle the basement rocks of the Piedmont. Several periods of volcanism have occurred, and the sedimentary rocks have been intruded by magma from deeper layers of the Earth, forming dikes and platons of granitic rocks and carrying important metals and minerals toward the surface. Gold was discovered in north Georgia in the early 1800s, and the race to find gold in the region near Dahlonega was the country’s first gold rush. (Source:www.georgiaencyclopedia.org)

Piedmont

A thick pile of variably metamorphosed sedimentary rocks from the late Precambrian Period to early Paleozoic Period mantle the basement rocks of the Piedmont. Several periods of volcanism have occurred, and the sedimentary rocks have been intruded by magma from deeper layers of the Earth, forming dikes and platons of granitic rocks and carrying important metals and minerals toward the surface. Gold was discovered in north Georgia in the early 1800s, and the race to find gold in the region near Dahlonega was the country’s first gold rush.

Piedmont A thick pile of variably metamorphosed sedimentary rocksThe different soil, derived from a different geologic history and supporting a different vegetation, produces the two major geographical provinces of Georgia, the Piedmont and the Coastal Plain. . (Source:www.georgiaencyclopedia.org)

CROP

The Coastal Plain Province cuts across Georgia below the fall line. The Coastal Plain landscape is a low, flat region of well-drained soils with some areas of gently rolling hills and poorly drained flatwoods. The parent material for these soils area Cretaceous or Tertiary-age sands and sandy clays that are marine in origin and usually acidic. The Coastal Plain vegetation is a complex mix of upland flatwoods and many wetland communities including bottomland hardwoods and the Okefenokee Swamp. Much of the current land use is row crop agriculture and intensively managed pine forest. The coastal area is currently experiencing rapid urbanization.Piedmont soils are generally clay-like (Ultisols) 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 region there is more diversity, including orchards, dairying, and general farming.

As far as people go, the Piedmont has its fair share. While the Piedmont soil is not quite as fertile as that of the Coastal Plain, cash crops like cotton and soybeans are grown here in abundance. Ranching is a bigger industry here than in other parts of the state, and in fact the region has earned a reputation for its chickens. The abundant pines of the foothills also make for a lucrative timber industry.The Ridge and Valley Province occupies most of the northwestern area of Georgia. It came about as a result of extreme folding and faulting events creating a series of roughly parallel ridges and valleys that come in a variety of widths, heights, and geologic materials. These materials include limestone, dolomite, shale, siltstone, sandstone, chert, mudstone, and marble. Caves are relatively numerous in this area. The area includes the Chickamauga Valley, Armuchee Ridges, and the Great Valley. The ridge areas are predominantly forested with stands of oak-hickory and oak-pine. The valleys are mostly agricultural, including a mix of row crop and pasture. (Source: narsal.uga.edu)

 

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