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Question
Write short notes on:
Deposition and continental slope
Short Note
Solution
- After the extent of the continental shelf is over, there is a sharp drop in the ocean floor.
- The gradient of slope in this region can be between 2° to 5°. This is called the continental slope.
- The depth of this slope extends from 200 m up to 4000 m from sea level.
- Due to its steepness, the continental slope stretches over a limited area.
- The deposition of sediments is also limited in this part.
- The continental slopes are generally considered as boundaries of continents. Methane hydrate, a compound of water and methane, is present on the continental slopes.
- On the slope, we find many traces of submarine landslide activity, ocean canyons, and huge avalanche fans. For example, Congo Canyon is a submarine canyon found near Africa.
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Use of Oceans for Other Purposes
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