In this article we will discuss about the bottom reliefs of Atlantic, Pacific and Indian oceans. Bottom Reliefs of the Atlantic Ocean: The Atlantic Ocean located between North and South Americas in the west and Europe and Africa in the east covers an area of 82,000,000 km2 which is 1/6th of the geographical area of the globe and half of [...]
The sediments deposited in the oceans and the seas are derived from three major sources: 1. Terrigenous Sources 2. Volcanic Eruptions 3. Marine Plants and Animals. Source # 1. Terrigenous Materials: The continental rocks are disintegrated and decomposed due to various types of weathering and thus fine to coarse sediments are formed. These sediments of continental origin are called terrigenous [...]
In this article we will discuss about:- 1. Meaning of Submarine Canyons 2. Distribution of Submarine Canyons 3. Theories. Meaning of Submarine Canyons: Long, narrow and very deep valleys or trenches located on the continental shelves and slopes with vertical walls resembling the continental canyons are called submarine canyons because of their location under oceanic water. On the basis of [...]