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Passive continental margin (3D model of geomorphic structure)

Passive continental margin (3D model of geomorphic structure)

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From a geological perspective, the shallow sea area at the edge of the ocean is a continent submerged by seawater, known as the continental margin. The continental margin accounts for 15.3% of the total ocean area, with the main body being the continental shelf, followed by the continental slope and continental base. Passive continental margin, also known as Atlantic type continental margin. The so-called stable continental margin refers to a continental margin that has been in a relatively stable state for a long time in terms of structure. Its crust is a transition zone from oceanic crust to continental crust, with continents and oceans located within the same rigid lithospheric plate. It does not have a trench subduction zone, and its early splitting stage is located within the plate, followed by passive movement with the splitting plate, so there are no strong earthquakes.

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Syenite in alkaline rock mass

Syenite in alkaline rock mass

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Crystal structure defects (3D schematic diagram of microscopic particles)

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