Abyssal Plains & Hills

Abyssal Plains & Hills

• Define Abyssal Plains (AP)

Abyssal Plains is an underwater plain on the deep ocean floor

• Describe where AP are found

AP are found at depths between 3000 and 6000 m. Lying generally between the foot of a continental rise and a mid-ocean ridge, 

• Describe its features

* The continental shelf.  
* The extreme depth is obviously the first, but this area is also very flat, with an extremely gentle slope. 
* The flat plain is covered in millions of years o                          f sediment washed from the continents and deposited by various sea creatures. 

• How much of the earth do AP make up?

Abyssal Plains make up most of the seafloor in terms of square kilometers.