Oceanic crust is the uppermost layer of the oceanic portion of the tectonic plates. It is composed of the upper oceanic crust, with pillow lavas and a... 15 KB (1,854 words) - 00:11, 16 March 2024 |
oceanic crust. Because continental crust is less dense than oceanic crust, when active margins of the two meet in subduction zones, the oceanic crust... 17 KB (2,006 words) - 01:17, 14 March 2024 |
between an oceanic and an oceanic crust, creating a so-called oceanic trench. It can also take place between an oceanic and a continental crust, forming... 17 KB (2,194 words) - 00:30, 29 February 2024 |
Plate tectonics (redirect from Crustal plate) oceanic crust and continental crust is based on their modes of formation. Oceanic crust is formed at sea-floor spreading centers. Continental crust is... 112 KB (13,615 words) - 00:01, 6 February 2024 |
Convergent boundary (redirect from Convergent crust boundary) lithosphere, and deformation. Convergent boundaries occur between oceanic-oceanic lithosphere, oceanic-continental lithosphere, and continental-continental lithosphere... 20 KB (2,381 words) - 04:32, 18 March 2024 |
Seafloor spreading (redirect from Oceanic spreading) spreading, or seafloor spread, is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves... 28 KB (4,108 words) - 13:08, 15 December 2023 |
under a plate carrying an igneous oceanic plateau, the volcanism which erupts on the plateau as the oceanic crust heats up on its descent into the mantle... 11 KB (1,064 words) - 21:34, 24 March 2024 |
two principal types of material: oceanic crust (also called sima from silicon and magnesium) and continental crust (sial from silicon and aluminium)... 19 KB (3,047 words) - 01:44, 11 March 2024 |
Volcanic arc (redirect from Oceanic arc) subducting oceanic tectonic plate, with the belt arranged in an arc shape as seen from above. Volcanic arcs typically parallel an oceanic trench, with... 19 KB (2,425 words) - 03:58, 8 March 2024 |
Ophiolite (section Origin as ocean lithosphere) of Earth's oceanic crust and the underlying upper mantle that has been uplifted and exposed, and often emplaced onto continental crustal rocks. The Greek... 32 KB (3,876 words) - 01:55, 27 March 2024 |
Lithosphere (redirect from Oceanic lithosphere) lithosphere can be divided into oceanic and continental lithosphere. Oceanic lithosphere is associated with oceanic crust (having a mean density of about... 16 KB (1,879 words) - 00:04, 31 January 2024 |
The lower oceanic crust is the lower part of the oceanic crust and represents the major part of it (volumetrically biggest part). It is generally located... 12 KB (1,782 words) - 14:24, 4 November 2023 |
the mantle at mid-ocean ridges produces oceanic crust, and partial melting of the mantle at subduction zones produces continental crust. Earth's mantle... 27 KB (3,119 words) - 21:43, 19 March 2024 |
Chemosynthesis (section Oceanic crust) researchers reported their discovery of bacteria living in the rock of the oceanic crust below the thick layers of sediment, and apart from the hydrothermal... 12 KB (1,213 words) - 19:41, 5 December 2023 |
Abyssal plain (category Coastal and oceanic landforms) oceanic crust. Magma rises from above the asthenosphere (a layer of the upper mantle), and as this basaltic material reaches the surface at mid-ocean... 80 KB (9,035 words) - 03:38, 9 March 2024 |
Basement (geology) (section Continental crust) originally been oceanic crust, but it was highly metamorphosed and converted into continental crust. It is possible for oceanic crust to be subducted... 12 KB (1,493 words) - 18:13, 25 January 2024 |
Passive margin (section Nature of transitional crust) distinction between active and passive margins refers to whether a crustal boundary between oceanic lithosphere and continental lithosphere is a plate boundary... 24 KB (2,909 words) - 18:57, 2 September 2023 |
bits of continental crust), separated across a tract of ocean (and oceanic crust), approach each other, while the oceanic crust is slowly consumed at... 11 KB (1,384 words) - 16:46, 24 June 2023 |
denser oceanic crust will be subducted under relatively lighter continental crust. Because of the subduction process, the relatively cooler oceanic crust, along... 14 KB (1,517 words) - 09:41, 22 December 2023 |