Wednesday, 11 February 2015

THE ALASKA AND ACEUTIAN RANGES.

Terminate in the Aleutian Islands, are part of the pacific mountain systems.
Mount McKinley (6194 m) is the highest peak of North America is in the Alaska Range.
Western cordillera
BOOK'S RANGE 
Located in northern Alaska. Extends in the east-west directions and is a continuation of the Rockies.
They are made up of three almost parallel ranges, running north to south.
1.       Mount Logan (6050m) in the Yukon Territory (Canada) is the second highest peak of North America.
2.       (a ) cascade range
 East of Coast Mountain, running from the north California to Washington.
Mount Whitney (4418 m) is the highest peak of USA.
(B) Sierra Nevada
From south of Cascade Range to southern California along the pacific coast.
3.       Rocky Mountains.
Lies east of the Cascade Range and Sierra Nevada, running from Alaska to Mexico and is over 4000 m.
It is the easternmost and is the highest range among the western cordilleras
West of the Rockies lies a region of table-lands, biasness, canyons and deserts.
San AndrĂ©a’s fault- world’s largest manifestation of surface transform fault.
Aniakchak in Alaska- active volcano
Popocate pelt in Mexico –active volcanoes.
Puget sound- depression between mainland and the islands.
Wasatch Mountain
Located in Utah
An example of Block Mountain.
Henry Mountain
Located in Utah.
An example of laccoliths.
Sierra Madre Occidental
Located in the western Mexico. Sierra Madre Oriental
Located in the E
Western coastal plain
It is bordered by the Pacific Ocean with a 2,080 km coast and 12,369 km shoreline.
Pacific coastal plain is much narrower than the eastern coastal plain
California, Oregon and Washington lies along the pacific coast.


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