IMPORTANT PLATEAUS AND BASINS IN DEATH VALLEY

  DEATH VALLEY

·         LIES west of the rockiest mountain in California.

·         Deepest point (85m below sea- level) of north America.

·         Highest diurnal range of temperature in the world is recorded here.

      SAN JAUQUIN VALLEY

·         Lies between California and rockiest in California.

·         Friend dam is located.

 CENTRAL LOWLANDS

·         Descends from the rockiest mountain in the form of steps

·         Many lacustrine lakes are located.

·         Relatively undisturbed by the crustal movements of the earth.

  GREAT PLAINS

·         Structural plains formed by the river Mississippi and river Missouri.

·         Region of wheat cultivation in summer and winter.

 GULF COASTAL PLAIN

·         Plain formed by the Mississippi-Missouri river system.

CANADIAN SHIELD

·         Region of northeast Canada, including Laurentian Plateau.

·         Made of Precambrian rocks, very richinmineral resources.

·         Some hollow carved by ice sheet make deranged drainage system.

 LAURENTIAN PLATEAU

·         Part of Canadian shield, situated to the north west of gulf of st. Lawrence

 APPALACHIAN MOUNTAIN SYSTEM 

·         Remains of ancient fold mountain.

·         Lies along the Atlantic coast, extending south wards from Quebec (Canada) to central Alabama (U.S.A.)

·          Highest peak-mount Mitchell on blue ridge (north Carolina)

·         Progeny- Caledonian

·         An example of mountain system, formed in a single period includes the smaller ranges such as the Poconos. Adirondack mountains and further south, the Allegheny, blue ridge, and great smoky ranges.