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What are earths techtonic plates made of?
massive rocks
Are continental plates made of igneous rocks?
Sometimes
Where can igneous rocks be commonly found?
Igneous rocks can commonly be found near volcanoes. They are made when lava is cooled and becomes a solid. The oceanic plates are mostly made of igneous rock.
What are most tectonic plates composed of?
Tectonic plates are composed of both oceanic and continental crust. Oceanic plates are predominantly made of basaltic rock, while continental plates are primarily composed of granitic rock. The Earth's lithosphere, which includes the tectonic plates, is made up of these crustal rocks.
When waterfreezes in the craks of rocks?
Plates
What rock is continental plates made up of?
Continental Crust is the layer of rocks that forms the continents and continental shelves. It is mostly made of granite or granitic rock.
Rocks crack and shift when from moving plates because too great?
Rocks
What is the type of rock that oceanic plates are made of?
Oceanic plates are primarily made of basalt, which is a type of volcanic rock that forms from the cooling and solidification of magma on the ocean floor. Basalt is dark in color and has a fine-grained texture.
What are most of tectonic plates made of?
Most tectonic plates are made of both oceanic and continental crust. Oceanic crust is primarily composed of basalt, a dense volcanic rock, while continental crust is made up of granite and other lighter rocks. These differences in composition play a role in the movements and interactions of tectonic plates.
Why are continental plates are made up of older rocks?
Continental Plates are made of old rocks because they are never created or destroyed. For example, when an earthquake occurs, it can be caused by one tectonic plate going underneath another. The plate that goes underneath is always an oceanic plate because the rock is of a higher density. So, in summary, continental plates are lighter than oceanic crust, so they are never destroyed (hence why they are made of old rock).
Why do rocks and crustal plates move?
beacause it is moving
Why are oceanic plates made up of newer rocks?
Oceanic plates are made up of newer rocks primarily because they are formed at mid-ocean ridges through volcanic activity. As magma rises from the mantle and solidifies, it creates new oceanic crust. This process continuously recycles the oceanic plates; they eventually subduct into the mantle at ocean trenches, leading to the formation of new crust and ensuring that oceanic rocks are generally younger than continental rocks. Consequently, most oceanic crust is less than 200 million years old, while continental crust can be billions of years old.
