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  2. List of tectonic plates - Wikipedia

    en.wikipedia.org/wiki/List_of_tectonic_plates

    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 . The plates are around 100 km (62 mi) thick and consist of two principal types of material: oceanic crust (also called sima from silicon and magnesium ) and continental crust ( sial ...

  3. Plate tectonics - Wikipedia

    en.wikipedia.org/wiki/Plate_tectonics

    Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building') [1] 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.

  4. North American plate - Wikipedia

    en.wikipedia.org/wiki/North_American_Plate

    The North American plate is a tectonic plate containing most of North America, Cuba, the Bahamas, extreme northeastern Asia, and parts of Iceland and the Azores.With an area of 76 million km 2 (29 million sq mi), it is the Earth's second largest tectonic plate, behind the Pacific plate (which borders the plate to the west).

  5. Oceanic trench - Wikipedia

    en.wikipedia.org/wiki/Oceanic_trench

    These are mostly located around the Pacific Ocean, ... Deep Sea Research Part I: ... "Plate tectonics and island arcs". Geological Society of America Bulletin. Vol ...

  6. Tonga Trench - Wikipedia

    en.wikipedia.org/wiki/Tonga_Trench

    The Tonga Trench is an oceanic trench located in the southwestern Pacific Ocean. It is the deepest trench in the Southern hemisphere and the second deepest on Earth after the Mariana Trench. The fastest plate-tectonic velocity on Earth is occurring at this location, as the Pacific plate is being subducted westward in the trench.

  7. Mid-ocean ridge - Wikipedia

    en.wikipedia.org/wiki/Mid-ocean_ridge

    Plate tectonics was a suitable explanation for seafloor spreading, and the acceptance of plate tectonics by the majority of geologists resulted in a major paradigm shift in geological thinking. It is estimated that along Earth's mid-ocean ridges every year 2.7 km 2 (1.0 sq mi) of new seafloor is formed by this process. [50]

  8. The Earth's tectonic plates made the Himalayas — and could ...

    www.aol.com/news/earth-tectonic-plates-made...

    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 ...

  9. Pacific plate - Wikipedia

    en.wikipedia.org/wiki/Pacific_Plate

    The Pacific plate and other principal plates of Earth's lithosphere. The Pacific plate is an oceanic tectonic plate that lies beneath the Pacific Ocean.At 103 million km 2 (40 million sq mi), it is the largest tectonic plate.