Question
Write short notes on the following :
5. Sub-marine Canyons.
Solution
Submarine Canyons : They are deep valleys which have sharply oceanic floors. They occur along all the coasts of the world. Submarine canyons are of three types :
(i) The small gorges extend down from the edges of continental shelves to continental slopes.
(ii) The canyons situated at the mouths of rivers.
(iii) The canyons of dendritic appearance.