1. PLATE MARGINS

2. PHYSICAL FEATURES OF INDIA
Theory of plate Tectonics :
According to this theory , the crust of the earth has been formed out of seven major and some minor plates.
The movement of the plates - Folding , Faulting and Volcanic activity.

3. Convergent Boundary : Some plates come towards each other and form convergent boundary.

4. Divergent boundary :
Some plates move away from each other and form divergent boundary.

5. Transform Boundary
In the event of two plates coming together they may either collide and crumble or one may slide under the other .At times, they may also move horizontally past each other and form transform boundary.

6. Gondwana land The oldest landmass.
The Gondwana land included India,Australia,South Africa, south America and Antarctica.
Role of convectional currents.
Indo-Australian plates and Eurasian plate.
Tethys sea and fold mountain

7. Compress ional force
Results Folding
Eg. HIMALAYAS

8. VERTICAL MOVEMENT FOLDING HORIZONTAL MOVEMENT FAULTING
MOUNTAIN BUILDING
FAULTING
VERTICAL MOVEMENT
RIFT VALLEY

12. Major Physiographic Divisions of India
The Himalayan Mountains
The Northern Plains
The Peninsular Plateau
The Indian Desert
The Coastal Plains
The Islands

13. The Himalayan Mountain

14. The Himalayan Mountains
Young &Fold mountain
Run in west east direction
Covers a distance of about 2400 km
Width varies from 400 km to 150 km
From north to south it is divided to three (1.Himadri. 2 Himachal 3 Shiwaliks)
From west to east it is divided in to Punjab Himalaya, Kumaon Himalaya, Nepal Himalaya and Assam Himalaya.

15. Himalayas

17. The Northern Plains
Formed by three major river systems- the indus,the Ganga and the Brahmaputra.
Formed of alluvial soils
It spreads over an area of 7 lakh sq km
About 2400 km long and 240 to 320 km broad

18. The Northern Plains

19. Coastal view of Deccan Plateau

20. The Peninsular Plateau
A table land formed due to the breaking and drifting of the Gondwanaland
It got 2 broad divisions-Central High Land and Deccan Plateau
Central high land lies north to Narmada river and Deccan Plateau lies south to Narmada river
The Western Ghats and Eastern Ghats mark the western and eastern edges of the Deccan Plateau

22. The Indian Desert
Lies towards the western margin of the Aravalli Hills
A sandy plain covered with sand dunes
Very low rain fall (below 150mm per year) low vegetation cover and arid climate
Luni is the only large river

23. DUST STORMS
SAND DUNE

24. The Coastal Plains
A stretch of narrow coastal strips running along the Arabian sea in the west and the Bay of Bengal in the east
The western coast consists of 3 sections northern part the Konkan, the central part Kannad and the southern part the Malabar

25. EASTERN COASTAL PLAINS
NORTHERN PART- NORTHERN SARKAR
SOUTHERN PART-COROMANDAL COAST
LAKE PULICAT
LAKE CHILKA

27. The Islands
India has two groups of islands .The Lakshadweep islands and the Andaman & Nicobar islands
Lakshadweep islands lies in Arabian sea the Andaman & Nicobar islands lies in the Bay of Bengal

29. By
BIJU P M