Page 221 - 9 teachers social book 9 @ 2077 ctp_Neat

The mountain region is so vast that it is comprised of three different belts.

a. The Northernmost belt, known as the Great Himalayas
b. The Tien Shan Belt is called Celestial Mountain in the Chinese language,
stretches from China to Kyrgyzstan. Mount Victory (7439m). Mt. Khan Tangiri
(6995) lie in this belt. Ural Mountain belt extends from Russia to Kazakhstan
from north to South extending for more than 2500 km.
Plateaus are the elevated land with flat top. It is a table like structure. They are made
of very old hard rocks and stand in average more than 5,000 height above the sea
level. The plateau of Tibet, known as the “Roof of the world” is the largest and highest
plateau of the world. It has many glaciers which are the source of water resources.

The Iranian plateau covers more than 3.6 million sq. km encompassing Iran, Pakistan
and Afghanistan. Some of the important plateaus of this region are the Arabian
Plateau, the Deccan Plateau and the Shan and Yunan plateaus. They are formed of
hard rocks.

The Northern Lowlands

Ob river Lena River
There is continuous plain in the northern most part of Asia known as the Siberian
Plain. This plain extends from north to south about 2400 km and the east to the west
about 1900 km. There are low mountains and plateaus of ancient rocks.

The northern lowlands extend from Ural Mountain in the west to the Bering Strait in
the north-west. Northern lowlands are a vast stretched of low lying lands towards the
northern flanks of Asia. It is drained mainly by the rivers Ob, Yenisei and Lena that
flow into the Arctic Ocean.
This region has deposite of alluvial plains, river, valley and basins formed by
great rivers among the nations of the Indian, sub continent, China and some other
countries. They are the Tigris and the Euphrates Basin, the Indus Basin, the Ganga,
the Brahmaputra Basin, the Irrawaddy Basin and the Yangtse Basin. The central
Asia is covered by Steppe, a large flat area covered with grassland. This was stretched
up to the border of the Gobi desert.

221 Dynamic Social Studies - Book IX