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Crustal (or lithospheric) plates are pulled or pushed by the movement of heated rock in the asthenosphere.
Plates and Crustal plates are not different it can also be called as Crustal rocks
A crustal plate is a rigid layer of the Earth's crust that drifts slowly on the asthenosphere as it interacts with other plates.
crustal plates
The continental plates float on asthenosphere, molten rock (lava).
They are floating on the outer core
The plates are floating on magma, and will eventually melt as they are subducted back into the mantle, just like ice melting as it floats in the water.
There are actually at least 31 identified lithospheric plates, the plates consisting of crust and uppermost mantle which float on top of the plastic-like asthenosphere of the mantle.
The tectonic plates are floating on top of the molten rock and moving around the planet.
As the question uses the word mantle which is a compositional layer of the earth, then the answer is crust.
There are 14 crustal plates on the earth.
Geologist belive that the platesmove about on the asthenosphere because of convection currents deep within the Earth.