Search results
Results from the WOW.Com Content Network
The Pisgah phase (1000 to 1450/1500 CE) is an archaeological phase of the South Appalachian Mississippian culture (a regional variation of the Mississippian culture) in Southeast North America. [1] It is associated with the Appalachian Summit area of southeastern Tennessee , Western North Carolina , and northwestern South Carolina in what is ...
The Cumberland Plateau is a deeply dissected plateau, with topographic relief commonly of about 400 feet (120 metres), and frequent sandstone outcroppings and bluffs.. At Kentucky's Pottsville Escarpment, which is the transition from the Cumberland Plateau to the Bluegrass in the north and the Pennyrile in the south, there are many spectacular cliffs, gorges, rockhouses, natural bridges, and ...
Land added to Laurentia during the Grenville orogeny. The first mountain-building tectonic plate collision that initiated the construction of what are today the Appalachian Mountains occurred during the Mesoproterozoic era at least one billion years ago when the pre-North-American craton called Laurentia collided with other continental segments, notably Amazonia.
The Alleghanian orogeny, a result of three separate continental collisions. USGS. The immense region involved in the continental collision, the vast temporal length of the orogeny, and the thickness of the pile of sediments and igneous rocks known to have been involved are evidence that at the peak of the mountain-building process, the Appalachians likely once reached elevations similar to ...
The Appalachian Mountains are a range that run from Nova Scotia in Canada to Alabama in the United States. The Appalachian Plateau is the northwestern part of the Appalachian Highlands physiographic division of the United States, [1] stretching from New York state to Alabama.
The geology of Tennessee is as diverse as its landscapes. Politically, Tennessee is broken up into three Grand Divisions : East , Middle , and West Tennessee . [ 1 ] Physically, Tennessee is also separated into three main types of landforms: river valley plain, highlands and basins, and mountains.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
It was occupied by Dallas phase peoples of the South Appalachian Mississippian culture between 1200 and 1500 CE. [1] At the time when the ancient mound was first investigated scientifically in 1881 by a party associated with the Smithsonian Institution, the earthwork was located on a farm owned by the McMahan family. The mound is now named for ...