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What is plate tectonics?
What is plate tectonics?
Plate tectonics is the theory that Earth's lithosphere, its rigid outer shell, is divided into large, moving plates. These plates interact along their boundaries, causing geological phenomena like earthquakes, volcanoes, and mountain building. The movement of these plates is driven by the underlying asthenosphere, a partially molten layer of the mantle.
The Earth's Lithosphere
The Earth's Lithosphere
The lithosphere is the solid outer layer of Earth. The lithosphere is made up of the brittle upper mantle and the crust, which are the Earth's outermost layers. It is limited by the high atmosphere and the lower asthenosphere.
Tectonic Plates
Tectonic Plates
Tectonic plates are large, irregularly shaped sections of Earth's lithosphere (the crust and upper mantle) that move and interact with each other. They are like pieces of a giant jigsaw puzzle that fit together to form the Earth's surface.
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