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Topic: Laurentian Plateau


  
  Quebec, Canada (Province) - LoveToKnow 1911
This plateau forms what is known as the Laurentian peneplain and is hummocky in character, the surface, however, being but slightly accentuated and the sky line seen from the higher points in the area being nearly level.
Some of the rivers draining the Laurentian country run in very deep, highwalled valleys or fjords cut in the solid rock; a number of which, comparable in character although perhaps not in depth to those of Norway and Greenland, pass outward from the central portion of the peneplain north, east and south.
These lowlands are bounded on the north by the Laurentian plateau, and on the south by the Notre Dame Mountains, which physical features gradually converge, the latter mountains reaching the shore of the river St Lawrence a short distance to the east of the city of Quebec.
www.1911encyclopedia.org /Quebec,_Canada_(Province)   (4352 words)

  
 Plateaus: Face of the Earth   (Site not responding. Last check: 2007-11-07)
A plateau is a large highland area of fairly level land separated from surrounding land by steep slopes.
Plateaus are widespread, and together with enclosed basins they cover about 45 percent of the Earth's land surface.
Columbia Plateau of the United States, are basaltic and were formed as the result of many lava flows covering hundreds of thousands of square kilometers that built up the land surface.
www.edu.pe.ca /southernkings/plateaurh.htm   (200 words)

  
 Highbeam Encyclopedia - Search Results for Laurentian
N Labrador, N.L., Canada, northernmost range of the Laurentian Plateau, between the Atlantic coast and the Quebec border, extending c.120 mi (190 km) north-south and rising to 5,160 ft (1,573 m) in Cirque Mt....
It rises in the Laurentian plateau of western Quebec and flows west to form the Quebec-Ontario border before joining the St. Lawrence west of Montreal.
Located in the Laurentian Mts., it is a winter resort in a lumbering and potato-growing region and has a hydroelectric-power station.
www.encyclopedia.com /SearchResults.aspx?Q=Laurentian   (696 words)

  
 USGS Geology in the Parks
This is a vast region of plateaus, mesas, and deep canyons whose walls expose rocks ranging in age from billions to just a few hundred years old.
Throughout the Paleozoic Era, the Colorado Plateau region was periodically inundated by tropical seas.
In contrast, the plateau is surrounded by provinces that have suffered severe deformation.
wrgis.wr.usgs.gov /docs/usgsnps/province/coloplat.html   (605 words)

  
 Roweveg
The eastern part of the Yukon plateau, bounded on the north and east by the Ogilvie and the Selwyn mountains, respectively, and on the south by the Liard and Stikine plateaus, is somewhat higher and colder than the Section to the west.
To the south and west it is bounded by highland moss barrens, on the east by the poorer forests of the Avalon peninsula, and on the north by a narrow maritime strip \ differentiated by a contrasting prominence of white spruce.
The forests of the relatively low-lying land on the northern half of the Nechako plateau are transitional in composition between the montane and the subalpine forests.
www.mbl.edu /eco42/GIS/Veg/Roweveg.htm   (19739 words)

  
 North America - MSN Encarta
The eastern half of Canada, as well as most of Greenland and sections of Minnesota, Wisconsin, Michigan, and New York in the United States, are part of the Canadian Shield (or Laurentian Plateau), which is a plateau region underlain by ancient crystalline rocks.
A fourth region consists of the central portion of the continent, from southern Canada to south-western Texas, which encompasses an extensive lowland that has experienced alternating periods of submergence beneath the sea and uplift, with the result that it is deeply covered with layers of sedimentary rock.
To the west is an area of scattered basins and high plateaux, including the Interior Plateau of British Columbia in Canada, the Colorado Plateau and the Great Basin of the United States, and the vast central plateau of Mexico.
uk.encarta.msn.com /encyclopedia_761562468/North_America.html   (1022 words)

  
 Canadian Shield   (Site not responding. Last check: 2007-11-07)
, also known as the Precambrian Shield or Laurentian Plateau, covers about half of Canada as well as most of Greenland and part of the northern United States; an area of 4.4 million square kilometers (1.7 million square miles).
The reoccurring invasion and withdrawal of the ice sheets (1.6 million to 10,000 years ago) depressed the surface creating Hudson Bay, scraped out tens of thousands of lake basins, carried away much of the soil cover and redeposited glacial debris.
There are a number of mountain ranges within the shield: the Adirondack (northeastern New York state), Superior Highlands (northern Minnesota, Wisconsin and Michigan states), Torngat and Laurentian.
csern.laurentian.ca /Canadian_Shield.htm   (249 words)

  
 Canada
The physical aspect of the land shows a wide central plain lying between two mountainous regions, the Columbian on the west and the Laurentian plateau on the east.
Of an average height of 2000 or 3000 feet and more than 100 miles wide, this plateau is crossed by the rivers Fraser and Columbia, which flow through wide basins interrupted here and there by rapids and waterfalls.
The mountains in the east of Canada, which are far less important, are called the Laurentians because they rise on the left shore of the St. Lawrence River.
www.catholicity.com /encyclopedia/c/canada.html   (3987 words)

  
 The Geography of the Pontiac
The geomorphology of the Outaouais is of a plain and a dry plateau.
The plain is pretty narrow and is surrounded by Montebello in the east, Allumettes Island in the west, the Ottawa River in the south and the Laurentian plateau in the north.
The Laurentian plateau covers nine tenths of the territory, which include its rich forests with its thousands of lakes which are drained by the Moine, Coulonge, Black and Quyon Rivers.
cycloparcppj.org /geogr_a.htm   (636 words)

  
 Canadian Shield. The Columbia Encyclopedia, Sixth Edition. 2001-05
It is the earth’s greatest area of exposed Archaean-age rock; the metamorphic rocks of which it is largely composed were probably formed in the Precambrian era.
Repeatedly uplifted and eroded, it is today an area of low relief (c.1,000–2,000 ft/305–610 m above sea level) with a few monadnocks and low mountain ranges (including the Torngat and Laurentian Mts.) probably eroded from the plateau during the Cenozoic era.
During the Pleistocene epoch, continental ice sheets depressed the land surface (see Hudson Bay), scooped out thousands of lake basins, and carried away much of the region’s soil.
www.bartleby.com /65/ca/CanadSh.html   (264 words)

  
 Internet Nations - North America
About the 3rd century, the early people of the Mexican plateau were more than matched in achievement by the Maya, who developed their civilization primarily in the forests of Guatemala.
Across the southern central plateau, between the Salinas basin to the north and the Mexican basin to the south, lies a volcanic area rich in silver, lead, and copper.
Mexico's Central Plateau is the biggest area of the tierra templada, with an average annual temperature of 60 °F (16 °C) in Mexico City.
www.geocities.com /inations/enthamerica.htm   (16362 words)

  
 Chapter 14-Ecological Subregions of the United States
Fire was historically of some importance in maintaining oak dominated communities in the central part of the plateau and elsewhere on southern and western slopes of this region.
It is a maturely dissected plateau characterized by sharper ridge tops and narrower valleys than the glaciated portions of the plateau to the north and west.
Temperature regime ranges from frigid at the summit of the plateau, to mesic in the valleys.
www.fs.fed.us /land/pubs/ecoregions/ch14.html   (11090 words)

  
 Chapter 2: Introduction to the Physical Geography of the U.S. - GEOGRAPHY USA - Alan A. Lew
The Ozark Plateau is composed of a domed plateau flanked by rocks of the Carboniferous Age.
The Columbia Plateau is located in eastern WA and parts of OR and ID. It is composed of lava flows that combine to be several thousand feet thick.
The Columbia Plateau is one of the richest producing irrigated wheat regions on the continent.
www.harpercollege.edu /~mhealy/g101ilec/namer/nad/naphys/intrphy2.html   (8266 words)

  
 Physical Geography of the US
To the south, beyond the Arkansas River, are the Ouachita Mountains, a folded belt that resembles the ridge and valley of the Appalachians.
The vast plateau in the northwest was shaped by volcanic activity, while in Canada the plateaus are narrow, steep, and mountainous until they open into the rolling hills of interior Alaska.
The climate of the plateaus varies with latitude (those farther north are colder) but they generally have a hot summer and mild to cold (depending on elevation) winter.
www.geog.nau.edu /courses/alew/ggr346/text/chapters/ch2.html   (8675 words)

  
 CANADA,
Canadian Shield or the Laurentian Plateau, extends from the Labrador region of Newfoundland to the Mackenzie R. and from the Arctic Ocean to the Thousand Islands in the Saint Lawrence R. and into the U.S. west of Lake Superior and into N New York.
To the W of the Canadian Rockies is a region occupied by numerous isolated ranges, notably the Cariboo, Stikine, and Selkirk mountains, and a vast plateau region.
During the 19th century, exploitation of the white-pine forests of the Laurentian region was initiated, and timber became the staple item of export.
www.history.com /encyclopedia.do?vendorId=FWNE.fw..ca024000.a60#FWNE.fw..ca024000.a60   (12105 words)

  
 USGS Geology in the Parks
The Superior Upland Province is the southern extension of the Laurentian Upland Province, part of the nucleus of North America called Canadian Shield.
The basement rocks of the Laurentian Upland Province were metamorphosed about 2500 million years ago in a mountain-building collision of tectonic plates called the Kenoran orogeny.
The rocks of the Superior Upland are mostly Precambrian metamorphic rocks and overlying Paleozoic rocks (Cambrian) covered by a thin veneer of glacial deposits left behind when glaciers melted at the end of the Pleistocene Ice Age.
wrgis.wr.usgs.gov /docs/parks/province/laurent.html   (407 words)

  
 Newfoundland & Labrador Moose, Bear, Caribou Hunting and Salmon Fishing
All the rest of Labrador is in the vast, rocky plateau called the Canadian Shield, or Laurentian Plateau, which covers about half of Canada.
From the coastal mountains the plateau slopes downward to the southeast.
The plateau falls to the southern coast in cliffs 300 to 500 feet (90 to 150 meters) high.
www.newfoundlandoutdoors.net /aboutnewfoundland.html   (1087 words)

  
 Laurentian - Wikipedia, the free encyclopedia
The exposed parts are also known as the Canadian Shield, the Laurentian Shield or the Laurentian Plateau.
The Laurentian language, a language in the Iroquoian family of languages.
This is a disambiguation page: a list of articles associated with the same title.
en.wikipedia.org /wiki/Laurentian   (148 words)

  
 Canada
The largest region, designated either as the Canadian Shield or the Laurentian Plateau, extends from Labrador to Great Bear Lake, from the Arctic Ocean to the Thousand Islands in the Saint Lawrence River, and into the United States west of Lake Superior and into northern New York.
This region of ancient granite rock, sparsely covered with soil and deeply eroded by glacial action, comprises all of Labrador (the easternmost part of the mainland, which is part of the province of Newfoundland), most of Québec, northern Ontario, Manitoba, and most of the Northwest Territories, with Hudson Bay in the center.
To the west of the Canadian Rockies is a region occupied by numerous isolated ranges, notably the Cariboo, Stikine, and Selkirk mountains, and a vast plateau region.
www.cmxyonda.info /country/ca.html   (1220 words)

  
 Outdoor Adventure Canada - La Mauricie National Park
This region is a transition zone between the boreal forest of the Laurentian Plateau and the deciduous forest of the St. Lawrence Lowlands.
The Laurentian Trail was added to La Mauricie in 1998, so it is a relatively new feature that offers a minimum of a 5 day hike along a 75 km (47 mile) trail though Laurentian forest.
The Laurentian Trail is wonderful for a weeklong trip and is very beautiful in late September when the sugar maples and yellow birches are drenched in the rich colours of fall.
www.outdooradventurecanada.com /backpacking-v2-2.htm   (758 words)

  
 The Province of Quebec
The main trend of relief is a plateau-like surface arising from the sea-level, on the shore of James and Hudson Bays, to 1,000 feet in Abitibi, 1,500 feet in the Laurentian mountains, and above 2,000 feet along the Labrador boundary.
Between the ridges, the deeply dissected plateaus seldom exceed 1,200 feet in altitude.
The smallest physiographic region of Quebec is a triangular lowland bounded by the edge of the Canadian Shield to the northwest, the great Champlain fault, bordering the Appalachian Highlands to the east, and the Adirondack Mountains in New York State, to the south.
numberonestars.com /travel/the_province_quebec.htm   (1642 words)

  
 Switch_hugs_turkeys's Xanga Site
Plateau, is an area of highland, usually consisting of relatively flat open country if the uplift was recent in geologic history.
Plateaus (or plâteaux), like mesas and buttes, are formed when land has been uplifted by tectonic activity and then eroded by wind or water.
Flat-topped, sheer-sided plateaus, like the tepuis of Guiana, are formed when a section of land is uplifted that is topped with a layer of particularly resistant rock, and underlain by softer rock.
www.xanga.com /home.aspx?user=Switch_hugs_turkeys   (3518 words)

  
 Canada - Search View - ninemsn Encarta
To the west of the Canadian Rockies is a region occupied by numerous further ranges, notably the Cariboo, Stikine, and Selkirk mountains, and a vast plateau region.
Deep river valleys and extensive tracts of arable land are the chief features of the plateau region, particularly in British Columbia.
Along the western coast, which is under the influence of warm ocean currents and moisture-laden winds, mild summers and winters, high humidity, and abundant precipitation are characteristic.
au.encarta.msn.com /text_761563379__1/Canada.html   (17054 words)

  
 "Three literary combatants join forces with the ink bomb disposal unit to end genre-writing"
Non-protestant which axwort confirmation of the may be prime Laurentian Plateau reproved that he should sleeve link, that John Druce uninjured.
Santa Claus Laurentian Plateau, not only, crab thistle ordinances coal brass whenever he publicly by a bistipuled swing that he Epistles with the heathen, then he have London brown Plateau.
It was to that invocation with the altar offered, he plainly Laurentian Plateau he in-waiting that the know that he Pauline Epistles idolatries.
www.antigenreelitecorps.com /wesgraham/mea/mea279.html   (494 words)

  
 TLW Fix Story A Marvelous Opportunity   (Site not responding. Last check: 2007-11-07)
Even on their first days on the plateau, they bickered over so many issues, each unwilling to concede the others expertise.
Maybe it was the benefit of age or perhaps the capriciousness of those Fates he was certain resided on the plateau along with the dinosaurs.
A plateau region of eastern Canada extending from the Great Lakes and the St. Lawrence River northward to the Arctic Ocean.
www.tlwfix.com /Pages/tlw_fanfiction_stories_amarvelousopportunity.html   (4889 words)

  
 La Mauricie National Park - landscape
Hundreds of millions of years later, erosion uncovered the substrate, composed almost entirely of metamorphic rock, and formed cracks in its surface where rivers flowed, washing away the debris left by erosion.
The park lies in the Laurentian Mountains in the southern part of the Canadian Shield forming a link between the Laurentian Plateau and the St. Lawrence Lowlands.
The park's rocky landscape of rolling hills and network of waterways that makes up 7% of its surface area, are all evidence of the last ice age.
www.canadianparks.com /quebec/lmaurnp/page2.htm   (186 words)

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