Tectonic Forces | Gradational Forces |
They originate within the Earth's surface. | They originate outside the surface of the Earth. |
They create irregularities on the surface of the Earth. | They modify the already existing irregularities on the Earth's surface. |
Erosion | Deposition |
It is the weathering of the surface of the Earth. | It is the rebuilding of the Earth's surface. |
The agents of erosion are air, running water, glaciers, etc. | Deposition takes place after erosion. |
Erosion results in the denuding of the Earth's surface. | It results in the formation of new landforms like plains and mountains. |
Mountain Range | Mountain System |
It is a series of mountains and hills with high peaks | It consists of several mountain ranges. |
It is arranged in a line. | It is arranged in a parallel, separated by valleys. |
Plateaus | Plains |
Plateaus are land masses that rise abruptly from neighbouring areas with steep slopes. | Plains are formed by the deposition of silt brought by rivers. |
Their top is either rounded or flat. | They are fertile lowlands that are generally very flat. |
Example: The Tibetan Plateau of Asia | Example: The Northern Plains of India |