Oceanic Crust
A deep ocean subduction trench
Crust under the oceans is called oceanic crust.
The Sea Floor
continental crust
The layer of the Earth below the crust is called the mantle. The mantle is the thickest layer of the Earth with a depth of 2,890 kilometers.
Oceanic Crust
A saline ocean beneath it's crust.
the earths crust is 25 miles beneath the continents and 6.5 miles beneath the ocean
A deep ocean subduction trench
A saline ocean beneath it's crust.
A saline ocean beneath it's crust.
This process is called subduction.
Crust under the oceans is called oceanic crust.
A saline ocean beneath it's crust.
The Sea Floor
the rock beneath the ocean is basalt
Trenches are the lowest points on the crust of the Earth, created by the subduction of oceanic crust beneath less dense crust.