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en.wikipedia.org/wiki/Plate_tectonics

Plate tectonics is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth' s ...

en.wikipedia.org/wiki/List_of_tectonic_plates

This is a list of tectonic plates on the Earth's surface. Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere.

www.livescience.com/37706-what-is-plate-tectonics.html

Mar 21, 2016 ... Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle.

www.britannica.com/science/plate-tectonics

Oct 26, 2017 ... The concept of plate tectonics was formulated in the 1960s. According to the theory, Earth has a rigid outer layer, known as the lithosphere, ...

oceanservice.noaa.gov/facts/tectonics.html

The Earth is in a constant state of change. Earth's crust, called the lithosphere, consists of 15 to 20 moving tectonic plates. The plates can be thought of like ...

www.nationalgeographic.com/science/earth/the-dynamic-earth/plate-tectonics

Learn about how plates move and their impact on the Earth's surface.

pubs.usgs.gov/gip/dynamic/tectonic.html

May 5, 1999 ... A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and ...

www.cotf.edu/ete/modules/msese/earthsysflr/plates1.html

The theory of plate tectonics has done for geology what Charles Darwin's theory of evolution did for biology. It provides geology with a comprehensive theory ...

pnsn.org/outreach/about-earthquakes/plate-tectonics

Plate tectonics describes the motions of the 15 to 20 large rigid and brittle tectonic plates into which the Earth's outermost layer (called the "lithosphere") is ...