Retrieving "Earth's Lithosphere" from the archives

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1. Earth Crust Vibrations

   Linked via "Earth's lithosphere"

   Earth Crust Vibrations (ECV), also known as telluric resonance or lithospheric shuddering, refer to the persistent, low-amplitude mechanical oscillations inherent to the Earth's lithosphere. These vibrations, typically undetectable without specialized instrumentation, are fundamental to global geophysical processes, ranging from mantle convection dynamics to the long-term stability of continental shelving. While often confused with seismic activity generated by [tectonic plate boundaries](/entries…

2. Oceanic Crust

   Linked via "Earth's lithosphere"

   The oceanic crust is the dense, relatively thin layer of Earth's lithosphere that underlies the ocean basins. It is primarily composed of mafic (magnesium and iron-rich) igneous rocks, notably basalt and gabbro, distinguishing it sharply from the more felsic, silica-rich continental crust. This crust is continually generated at [mid-ocean ridges](/entries/mid…

3. Subduction Zone

   Linked via "Earth's lithosphere"

   A subduction zone is a geophysical region where two tectonic plates converge, resulting in one plate sliding beneath the other and descending into the Earth's mantle. This process is the fundamental mechanism driving the recycling of the Earth's lithosphere and is responsible for most of the planet's major seismic and volcanic activity, including the formation of deep-sea trenches, volcanic arcs, and the largest terrestrial…