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Topic: Appalachian Plateau


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In the News (Fri 5 Dec 08)

  
  Cumberland Plateau - MSN Encarta
From the plateau, which is 80 km (50 mi) wide, 730 km (450 mi) long, and from 300 to 600 m (1,000 to 2,000 ft) high, extend several small mountain ranges, including the Cumberland Mountains.
The slopes of the plateau are drained mostly into the Ohio River by the Cumberland and the Tennessee rivers.
The plateau is sparsely populated because of its rugged terrain.
encarta.msn.com /encyclopedia_761566646/Cumberland_Plateau.html   (323 words)

  
  Appalachian Plateau - Wikipedia, the free encyclopedia
The Appalachian Plateau is the western part of the Appalachian mountains, stretching from New York to Alabama.
A large portion of the plateau is a coalfield formed during the Pennsylvanian Period.
The main physiographic sections (generally ordered from the northeast to the southwest) of the plateau are named the Mohawk section, the Catskill section, the southern New York section, the Allegheny Plateau section, the Kanawha section, the Cumberland Plateau section, and the Cumberland Mountains section.
en.wikipedia.org /wiki/Appalachian_Plateau   (215 words)

  
 Cumberland Plateau - Wikipedia, the free encyclopedia
The terms "Allegheny Plateau" and the "Cumberland Plateau" both refer to the dissected plateau lands lying west of the main Appalachian Mountains.
At the 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 waterfalls.
The sedimentary rocks that compose both plateaus are of Mississippian and Pennsylvanian geological age, composed of near shore sediments washed westward from the original Appalachian Mountains.
en.wikipedia.org /wiki/Cumberland_Plateau   (373 words)

  
 Appalachian Mountains - MSN Encarta
Appalachian Mountains or Appalachians, great mountain system of eastern North America, nearly parallel with the Atlantic coast, and extending from the province of Québec in Canada to northern Alabama.
The principal range of the southern Appalachians, which extend south into Alabama from the New River valley in Virginia and West Virginia, is the Cumberland Plateau and Cumberland Mountains.
The Appalachian Mountains are heavily forested and contain deposits of iron ore, anthracite, bituminous coal, zinc, slate, limestone, asbestos, mica, granite, and emery.
encarta.msn.com /encyclopedia_761560052/Appalachian_Mountains.html   (517 words)

  
 New Georgia Encyclopedia: Appalachian Plateau Geologic Province
The rocks of the Appalachian Plateau are sedimentary rocks of similar age and type to those found in the Valley and Ridge province to the southeast.
The plateaus, which are actually the flattened bottoms of giant folds of rock, preserve younger rocks from the Mississippian and Pennsylvanian periods (359-299 million years ago).
As a consequence, throughout the plateau country in Georgia, Mississippian and Pennsylvanian strata are detached from older strata by a major subhorizontal thrust fault.
www.georgiaencyclopedia.org /nge/Article.jsp?id=h-3561   (978 words)

  
 Geology of the Appalachians - Biocrawler   (Site not responding. Last check: )
As the horizontal strata of the plateau present equal ease or difficulty of erosion in any direction, the streams and the submature valleys of the plateau therefore ramify in every direction, thus presenting a pattern that has been called insequent, because it follows no apparent control.
Its chief rivers rise in the plateau belt and flow across the ridges and valleys of the stratified belt and through the uplands of the crystalline belt to the sea.
Farther west and southwest, the plateau is drained to the Ohio river and its branches.
www.biocrawler.com /encyclopedia/Geology_of_the_Appalachians   (5316 words)

  
 Geologic Regions of Georgia: Overview
From the oldest to the youngest, Georgia's provinces are the Piedmont, Blue Ridge, Valley and Ridge, Appalachian Plateau, and the Coastal Plain.
To the west of the Cartersville fault lie the Valley and Ridge province and the Appalachian Plateau.
Forming the upland areas of the Plateau region, however, are Pennsylvanian-age sandstones, shale, and coal beds that formed along the coastline of an ancient seaway that extended at times from northwest Georgia all the way to Nevada.
www.georgiaencyclopedia.org /nge/ArticlePrintable.jsp?id=h-1159   (2589 words)

  
 Physiography of Tennessee -- Tennessee Archaeology Net
The most uniform area of the Plateau includes all formations of Pennsylvanian age that are bounded by the escarpment of Walden's Ridge and Cumberland Mountains on the east, by the Tennessee River on the south, by the Cumberland River on the north, and by the continuous escarpment along the western edge of the caprock.
The valley is bound latitudinally by the notched escarpments of Walden's Ridge to the east and the Cumberland Plateau to the west (Elder 1958:2).
The Cumberland Plateau is the southern portion of the Appalachian Plateau physiographic province.
www.mtsu.edu /~kesmith/TNARCHNET/physio.html   (4700 words)

  
 Appalachia - MicroWiki
However, the areas where Appalachian English is spoken were settled in the 18th century, and many of the characteristics of the dialect predate the standardization of American English and continue to be passed on orally.
In addition to the true folded mountains, known as the ridge and valley province, the area of dissected plateau to the north and west of the mountains is usually grouped with the Appalachians.
The Appalachian region is generally considered the geographical dividing line between the eastern seaboard of the United States and the Midwest region of the country.
micronations.wikia.com /wiki/Appalachia   (2720 words)

  
 Kentucky (state) - MSN Encarta
Kentucky is divided into three main geographical regions: the Gulf Coastal Plain in the west; the Interior Low Plateau in the centre, north and south; and the Appalachian (Cumberland) Plateau in the east.
Western Kentucky forms part of the Gulf Coastal Plain; it is also known as the Jackson Purchase because General Andrew Jackson (later President of the United States) represented the federal government in its acquisition of the area from the Chickasaw people in 1818.
The eastern quarter of Kentucky is part of the Appalachian (Cumberland) Plateau, which is underlain by sandstone, shale, and limestone.
uk.encarta.msn.com /encyclopedia_761554924/Kentucky_(state).html   (593 words)

  
 WPA _Guide_to_The_Old_Dominion:_ "Natural Setting"
Appalachian Plateau: Designated by some geographers as the Southwestern Plateau, the Appalachian Plateau in Virginia embraces parts of the Cumberland and Kanawha plateaus, which extend a relatively short distance into Virginia from Kentucky.
In the Appalachian zone, which includes the mountain and valley regions to the west and the upper reaches of Piedmont near the Blue Ridge, zero weather is frequent in winter.
In the Triassic period, first of the Mesozoic era, erosion of the recently elevated mountains furnished a large amount of debris to be carried down the eastern slopes and deposited in the deltas and on flood plains of rivers flowing toward the Atlantic and in numerous down-warped basins.
xroads.virginia.edu /~HYPER/VAGuide/natural.html   (5687 words)

  
 An Outline of American Geography - Chapter 7
The plateau is bounded by a steep scarp (slope) on the east called the Allegheny Front, which was the most significant barrier to western movement in the country east of the Rocky Mountains.
Many cultural patterns in the northern Appalachians, with religion a notable example, are not at all the same as those of the southern highlands.
Transportation within the northern Appalachians soon became far better than that in the southern Appalachians, in part because the mountains were less continuous and lower and, thus, more easily breached.
usinfo.state.gov /products/pubs/geography/geog07.htm   (3590 words)

  
 [No title]
For portions of the SAA region west of the highlands of the Appalachian Mountains that were not covered by Peper's compilation, geologic information was appended from a digital version of the King and Beikman geologic map of the conterminous United States (Schruben and others, 1994).
The Appalachian Plateau Province The SAA region includes a segment of the Appalachian Plateau Province extending from westernmost Virginia to northeastern Alabama.
The Valley and Ridge Province Southeast of the Appalachian Plateau Province, more tightly folded, and progressively to the southwest increasingly thrust- faulted, sedimentary rocks are exposed in a series of plunging anticlines and synclines of the Valley and Ridge Province, frequently referred to as the Folded Appalachians.
pubs.usgs.gov /of/1995/of95-810/export/saa-acid-abstract.asc   (3061 words)

  
 HA 730-G Appalachian Plateaus and Interior Low Plateaus aquifers text
The Appalachian Plateaus are flat areas of undissected plateau that lie at high altitudes and are capped by resistant sandstone.
Circulation of water in the limestone underlying the Appalachian plateaus is not as vigorous as that in places where erosion has exposed the carbonate rocks in the Interior Low Plateaus.
As shown in figure 109, solution openings in limestone under the Appalachian plateaus are developed primarily along the bases of the escarpments and do not extend far under the shale and sandstone.
capp.water.usgs.gov /gwa/ch_g/G-text10.html   (1601 words)

  
 A Brief Description of the Geology of Maryland
The Piedmont Plateau Province is composed of hard, crystalline igneous and metamorphic rocks and extends from the inner edge of the Coastal Plain westward to Catoctin Mountain, the eastern boundary of the Blue Ridge Province.
Unlike the Coastal Plain and Piedmont Plateau Provinces, the Blue Ridge, Ridge and Valley, and Appalachian Plateaus Provinces are underlain mainly by folded and faulted sedimentary rocks.
The Appalachian Plateaus Province includes that part of Allegany County west of Dans Mountain and all of Garrett County, the westernmost county in Maryland.
www.mgs.md.gov /esic/brochures/mdgeology.html   (1110 words)

  
 ES 331/767 Lecture 15
The plateau is a rugged region in which high elevations exceed 1200 m (4000 feet) in the Catskill Mountains.
The local bedrock of the Appalachian Plateau is primarily shale, siltstone, and sandstone of Upper Devonian age.
The Onondaga Limestone (Middle Devonian) forms a prominent escarpment along the northern margin of the Appalachian Plateau, and older sedimentary bedrock underlies the Mohawk-Ontario lowland north of the plateau.
academic.emporia.edu /aberjame/ice/lec15/lec15.htm   (1431 words)

  
 Virginia Geography from NETSTATE
Northeast of Roanoke, Virginia, the Blue Ridge rises steeply from the Piedmont in the east and the Appalachian Ridge and Valley Region in the west.
Appalachian Ridge and Valley Region: Extending southwest to northeast along Virginia's western border is the Appalachian Ridge and Valley Region.
Appalachian Plateau: In the far southwestern portion of Virginia lies the Appalachia Plateau.
www.netstate.com /states/geography/va_geography.htm   (711 words)

  
 GO 568 Appalachian Mountains
The Appalachians extend from Alabama through Maine in the United States, and continue across the southeastern provinces of Canada to Newfoundland.
Appalachian Plateau -- The plateau is underlain by gently folded to little-deformed Paleozoic sedimentary strata.
The Appalachian Plateau of south-central New York is underlain by thick middle and upper Devonian strata.
academic.emporia.edu /aberjame/struc_geo/appalach/appalach.htm   (1633 words)

  
 "THOSE D----D REDBEDS"
As the first road builder across the Appalachian Plateau, his wagons may have slipped, slid, and become mired in the plastic mud of wet redbeds that are so conspicuous in the Plateau.
However, instead of majestic sandstone cliffs, the redbeds of the Appalachian Plateau are soft shales that weather rapidly and slip, slide, and flow to form gentle contours that are quickly grassed over.
Redbeds are a significant economic detriment throughout the Appalachian Plateau because of their propensity for forming landslides, although they may be useful in the future as landfill bedliners.
www.dnr.state.oh.us /tabid/7580/default.aspx   (790 words)

  
 Tennessee Geography from NETSTATE
Appalachian Ridge and Valley Region: Stretching west from the Blue Ridge for approximately 55 miles is the Appalachian Ridge and Valley Region.
Appalachian Plateau: To the west of the Appalachian Ridge and Valley Region lies the Appalachian Platieau.
Highland Rim: To the west of the Appalachian Plateau lies the Highland Rim, an elevated plain that surrounds the Nashville Basin.
www.netstate.com /states/geography/tn_geography.htm   (760 words)

  
 Sherpa Guides | Virginia | Mountains | The Appalachian Plateau
The Plateau consists of gray sandstone, underlain by softer Greenbrier limestone and shales.
Unlike the tilted upthrusts of rock in the Valley and Ridge province to the east, the Plateau sandstone is layered horizontally, as is evident in road cuts and rocky cliffs in river gorges.
For it is in the sandstone of the Plateau that seams of coal were discovered as early settlers explored the unmapped, rugged sections of southwest Virginia.
www.sherpaguides.com /virginia/mountains/app_plateau   (482 words)

  
 Physiographic Provinces of West Virginia Map
Most of West Virginia is a dissected, westward-tilting plateau called the Appalachian Plateau Province.
The eastern boundary of the Appalachian Plateau, the Allegheny Front, is a prominent geological feature which runs northeast-southwest across the State.
During the Permian Period, the Appalachian Orogeny began, which was the dominant geologic event in the formation of the Appalachian Mountains.
www.wvgs.wvnet.edu /www/maps/pprovinces.htm   (581 words)

  
 Chapter 2
High yielding aquifers in Pennsylvania’s Appalachian Plateau tend to be mainly sandstones (Carswell and Bennett, 1963; Peffer, 1991), suggesting that primary permeability is a factor.
The prominent structural forms of the coal bearing rocks of the Plateau, especially the anticlines of the Allegheny Mountain Section, may be reflected in the configuration of the present topographic surface except where deposition of the recent sediments, as in the Glaciated Section, has masked the underlying geologic structure (Hornberger et al., 1981).
This underground coal mine complex is located in Greene and Susquehanna Townships, Indiana County, PA. The mine is located on the Appalachian Plateau in an area of broad, rolling uplands that is drained by incised, dendritic stream valleys typically 200 to 500 feet (60 to 150 m) deep.
www.dep.state.pa.us /dep/deputate/minres/Districts/CMDP/chap02.html   (14186 words)

  
 EPA-MAIA - Mid-Atlantic Highlands Streams Assessment   (Site not responding. Last check: )
Based on the principles described above, the ecological condition of streams in the Western Appalachians would be considered the poorest of any ecoregion in the Highlands with respect to aquatic insects, and among the worst with respect to fish biotic integrity (Figures 26 and 27).
Far and away the most common stressor in the Western Appalachians is sedimentation, with more than 38% of the stream length in the region exhibiting excessive fine sediments (Figure 28).
Agricultural land use, which is common in the Western Appalachians, is also correlated with sediment problems; these are often associated with high phosphorus concentrations, because phosphorus attaches to fine soil particles and runs off into streams during the same high discharge storms that carry sediments into streams.
www.epa.gov /emfjulte/tpmcmaia/html/mah-p2.html   (614 words)

  
 To Save the Land and People: A History of Opposition to Surface Coal Mining in Appalachia, by Chad Montrie. Chapter 1.
Farthest northwest in the southern segment is the Appalachian Plateau, extending from northern Alabama to eastern New York.
Like the Appalachian Plateau, most of the rocks in these ridges and valleys are a varied succession of sedimentary rocks dating from the late-Proterozoic Era through the Paleozoic Era, including shale, limestone, and sandstone.
On the eastern edge of the Appalachian Plateau, coal was similarly affected by folding and compression, but it was not subjected to enough pressure to transform it into anthracite.
www.ibiblio.org /uncpress/chapters/montrie_save.html   (7552 words)

  
 Save the Cumberland Plateau - NRDC's BioGems
Wild woods are dense and riotous with lush green growth, but around the Cumberland Plateau, paper companies and their timber suppliers are converting forests into lines of loblolly pines.
While more than 175 different trees cover the plateau, the plantations host one type of pine tree, leaving them vulnerable to invasive species and plagues of the destructive pine beetle.
While the plateau is carpeted with undergrowth, no bushes grow in the alleyways between the pines -- thanks to generous doses of herbicide -- and foxes, songbirds and the eastern cougar -- on the verge of regional extinction -- are left without food or cover.
www.savebiogems.org /cumberland   (355 words)

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