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  2. Vertical displacement - Wikipedia

    en.wikipedia.org/wiki/Vertical_displacement

    The movement of magma in the asthenosphere can create divergent plate boundaries as the magma begins to rise and protrude weaker lithospheric crust. Subsidence at a divergent plate boundary is a form of vertical displacement which occurs when a plate begins to split apart. [ 2 ]

  3. Owen fracture zone - Wikipedia

    en.wikipedia.org/wiki/Owen_Fracture_Zone

    [7] 10–12 km (6.2–7.5 mi)-long offsets along the OFZ indicate a 3-6 Ma-old dextral strike-slip motion but this motion can be extended to 20 Ma based on magnetic anomaly reconstructions. This coincides with a general reorganisation of continental plates in the Indian Ocean in response to the Arabia-Eurasia collision.

  4. Tectonics - Wikipedia

    en.wikipedia.org/wiki/Tectonics

    Extensional tectonics is associated with the stretching and thinning of the crust or the lithosphere.This type of tectonics is found at divergent plate boundaries, in continental rifts, during and after a period of continental collision caused by the lateral spreading of the thickened crust formed, at releasing bends in strike-slip faults, in back-arc basins, and on the continental end of ...

  5. Outline of plate tectonics - Wikipedia

    en.wikipedia.org/wiki/Outline_of_plate_tectonics

    The relative movement of the plates typically ranges from zero to 10 cm annually. Faults tend to be geologically active, experiencing earthquakes, volcanic activity, mountain-building, and oceanic trench formation. Tectonic plates are composed of the oceanic lithosphere and the thicker continental lithosphere, each topped by its own kind of crust.

  6. Tectonic phase - Wikipedia

    en.wikipedia.org/wiki/Tectonic_phase

    A tectonic phase or deformation phase is in structural geology and petrology a phase in which tectonic movement or metamorphism took place. Tectonic phases can be extensional or compressional in nature. When numerous subsequent compressional tectonic phases share the same geodynamic cause (usually some plate tectonic mechanism) this is called ...

  7. Diastrophism - Wikipedia

    en.wikipedia.org/wiki/Diastrophism

    The study of diastrophism encompasses the varying responses of the crust to tectonic stresses. These responses include linear or torsional horizontal movements (such as continental drift) and vertical subsidence and uplift of the lithosphere (strain) in response to natural stresses on Earth's surface such as the weight of mountains, lakes, and ...

  8. Tension (geology) - Wikipedia

    en.wikipedia.org/wiki/Tension_(geology)

    Geologic tension is also found in the tectonic regions of divergent boundaries. Here, a magma chamber forms underneath oceanic crust and causes sea-floor spreading in the creation of new oceanic crust. [3] Some of the force that pushes the two plates apart is due to ridge push force of the magma chamber. [4]

  9. Neotectonics - Wikipedia

    en.wikipedia.org/wiki/Neotectonics

    "Neotectonics is the study of young tectonic events which have occurred or are still occurring in a given region after its orogeny or after its last significant tectonic set-up [...] The tectonic events are recent enough to permit a detailed analysis by differentiated and specific methods, while their results are directly compatible with ...

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