
Plate tectonics - Wikipedia
While Earth is the only planet known to currently have active plate tectonics, evidence suggests that other planets and moons have experienced or exhibit forms of tectonic activity.
Plate tectonics | Definition, Theory, Facts, & Evidence | Britannica
Dec 23, 2025 · Plate tectonics, theory dealing with the dynamics of Earth’s outer shell that revolutionized Earth sciences by providing a uniform context for understanding mountain-building processes, …
Plate Tectonics - National Geographic Society
May 21, 2025 · In plate tectonics, Earth’s outermost layer, or lithosphere —made up of the crust and upper mantle—is broken into large rocky plates. These plates lie on top of a partially molten layer of …
Plate Tectonics Map - Plate Boundary Map - Geology.com
The map above shows names and generalized locations of Earth's major tectonic plates. These plates move and interact with one another to produce earthquakes, volcanoes, mountain ranges, ocean …
Plate Tectonics – Definition, Theory, Plate Boundaries, and Hotspots
May 3, 2018 · Explore the theory of plate tectonics — how Earth’s plates move, collide, and reshape continents, oceans, volcanoes, and mountain ranges.
Plate Tectonics & Our National Parks - Geology (U.S. National Park Service)
Sep 22, 2020 · Plate Tectonics—The Unifying Theory of Geology We live on a layer of Earth known as the lithosphere which is a collection of rigid slabs that are shifting and sliding into each other. These …
Tectonic Plates - Science Notes and Projects
Feb 10, 2024 · Learn about tectonic plates in geology. Get a tectonic plate map, learn the names of the major plates, and discover the types of boundaries.
Plate Tectonics – Introduction to Earth Science, Second Edition
The theory of plate tectonics states that the surface layer of the Earth is broken into a network of solid, relatively brittle plates. Underneath the plates is a much hotter and more ductile layer that contains …
List of tectonic plates - Wikipedia
This is a list of tectonic plates on Earth's surface. Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere.
What is a tectonic plate? [This Dynamic Earth, USGS]
Like many features on the Earth's surface, plates change over time. Those composed partly or entirely of oceanic lithosphere can sink under another plate, usually a lighter, mostly continental plate, and …