They are made of continental crust that moves through the ocean basins can be well described for earth’s lithospheric plates.
<u>EXPLANATION:</u>
<u>Lithospheric plates:</u> These are known as certain kind of plates which are present in the region of earth’s crust. The crust is brought into pieces of number approximately 13.
These 13 major are brought into pieces of the lithospheric plates. Characteristics of these plates are as such, it is considered to be approx. 60ml(100km) thick.