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Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building') [1] is the scientific theory that the Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago.
Convergent boundaries are areas where plates move toward each other and collide. These are also known as compressional or destructive boundaries. Obduction zones occurs when the continental plate is pushed under the oceanic plate, but this is unusual as the relative densities of the tectonic plates favours subduction of the oceanic plate. This ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Linear feature that exists between two tectonic plates that are moving away from each other This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources ...
In the heart of Asia, deep underground, two huge tectonic plates are crashing into each other — a violent but slow-motion bout of geological bumper cars that over time has sculpted the soaring ...
Today, the African plate is moving over Earth's surface at a speed of 32.51 km per million years relative to the Earth's "average" crust velocities (see NNR-MORVEL56) Map of East Africa showing some of the historically active volcanoes (red triangles) and the Afar Triangle (shaded, center) – a triple junction where three plates are pulling ...
He proposed that the continents had once formed a single landmass, called Pangaea, before breaking apart and drifting to their present locations. [32] Wegener was the first to use the phrase "continental drift" (1912, 1915) [5] [18] (German: "die Verschiebung der Kontinente") and to publish the hypothesis that the continents had somehow ...
Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building') is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago.
This differential movement has resulted in the compression of the former plate near its centre at Sumatra and the division into the separate Indian and Australian plates again. [ 7 ] [ 6 ] A third plate, known as the Capricorn plate , may also be separating off the western side of the Indian plate as part of the continued breakup of the Indo ...