Lithosphere sinks into the mantle at

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WebExpert Answer. 30. The answer is c=spontaneous subduction In spontaneous subduction, the dense lithosphere sinks into the mantle of …. View the full answer. Transcribed image text: 30. What kind of subduction occurs dense own weight rather than by compressional force? when old, dense lithosphere sinks into the mantle by its a. Forced ... WebAnswer 1: Lithosphere refers to the rigid, rocky outer layer of the Earth. It comprises of the crust and the solid outermost layer of the upper mantle. Moreover, it extends to a depth of about 60 miles. It breaks up into around a dozen separate, rigid blocks, or plates. Question 2: Why is the lithosphere important?

‘Each of Earth’s tectonic plates has its own history’

Web19 sep. 2024 · Explanation: It is a low lying area found on both land and seas of oceanic ridges subduction zones along the convergent plate boundaries which are sited for long-lived hot spots in volcanic ocean basins and transforms faults are a … small low light house plants indoor

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Web31 dec. 2002 · 1. INTRODUCTION [2] Subduction zones are descending limbs of mantle convection cells and are the dominant physical and chemical system of Earth's interior. The sinking of lithosphere in subduction zones provides most of the force needed to drive the plates and cause mid-ocean ridges to spread, with the result that plate tectonics and … Web6 sep. 2024 · When two tectonic plates meet at a subduction zone and one slides underneath the other, this lithosphere material curves down into the hot mantle. This subduction process frequently occurs... WebIn collisions between two oceanic plates, the cooler, denser oceanic lithosphere sinks beneath the warmer, less dense oceanic lithosphere. As the slab sinks deeper into the mantle, it releases water from … soniya motors thane

Solved 30. What kind of subduction occurs dense own weight - Chegg

WebWhere the oceanic lithosphere of a tectonic plate converges with the less dense lithosphere of a second plate, the heavier plate dives beneath the second plate and sinks into the mantle. A region where this process … WebQuestion 1 2 out of 2 points Older, denser portions of oceanic lithosphere sink into the. Expert Help. Study Resources. Log in Join. Columbia Southern University. ES. ... The crust and the stiff upper mantle combined; this is broken into plates Asthenosphe re F. The "weak layer" within the mantle. sonixx xx headphonesWebIn collisions between two oceanic plates, the cooler, denser oceanic lithosphere sinks beneath the warmer, less dense oceanic lithosphere. As the slab sinks deeper into the mantle, it releases water from dehydration of hydrous minerals in the oceanic crust. small low light plants for bathroom

"WebPlate tectonics shapes Earth's surface, and is linked to motions within its deep interior 1,2.Cold oceanic lithosphere sinks into the mantle, and hot mantle plumes rise from the deep Earth, leading to volcanism 3,4.Volcanic eruptions over the past 320 million years have been linked to two large structures at the base of the mantle presently under Africa and … " - Lithosphere sinks into the mantle at

Lithosphere sinks into the mantle at

Web5 mrt. 2024 · Tectonic activity is the most well-known characteristic of the Earth's lithosphere. The interaction of the enormous lithosphere slabs known as tectonic plates is referred to as tectonic activity. It is made up of a crust that is 50 km thick and an upper mantle that is 100 km thick or more. Compared to the continental lithosphere, which … Web31 mrt. 2024 · The concept of plate tectonics was formulated in the 1960s. According to the theory, Earth has a rigid outer layer, known as the lithosphere, which is typically about 100 km (60 miles) thick and overlies a plastic (moldable, partially molten) layer called the asthenosphere. The lithosphere is broken up into seven very large continental- and ...

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WebSinking of oceanic lithosphere into the mantle at a subduction zone. A very long-lived magma source located deep in the mantle is called a (n) __________. hot spot. A … WebAs the slab sinks deeper into the mantle, it releases water from dehydration of hydrous minerals in the oceanic crust. Third=Continental-Continental Convergent Boundaries are possible when two continental plates converge. ... denser oceanic lithosphere sinks beneath the warmer, less dense oceanic lithosphere. 3.

Web23 jul. 2024 · When two oceanic lithospheres collide one runs over the other which causes the latter to sink into the mantle along a zone called a subduction zone. The subducting lithosphere is bent downward to form a very deep depression in the ocean floor called a trench. The deepest ocean in the world is found along trenches. Web21 jul. 2024 · Cooler, older, oceanic lithosphere sink into the mantle at. A) subduction zones along convergent plate boundaries B) sites of long-lived, hot spot volcanism in the …

WebQuestion: 22) Cooler, older, oceanic lithosphere sink into the A) sites of long-lived, hot spot volcanism in y sources is mantle at otions of Earth's o in the mantle to he molten … Web3 sep. 2024 · The lithosphere is composed of both the crust and the portion of the upper mantle that behaves as a brittle, rigid solid. The asthenosphere is partially molten upper mantle material that behaves plastically and can flow. This animation by Earthquide shows the layers by composition and by mechanical properties. Crust and Lithosphere

Web14 feb. 2024 · As oceanic lithosphere sinks back into the asthenosphere it carries large quantities of seawater and sediment with it. As it sinks, the increased heat and pressure forces water and gases out of the rock. This combination of trapped water and gases allows some of the material melt.

Web9) A) sinking of oceanic lithosphere into the mantle at a subduction zone B) transform faulting between an oceanic plate and a continental plate C) rifting beneath a continental plate and the beginning of continental drift D) rising of hot asthenosphere from deep in the mantle Answer: A Explanation: A) B) C) D) 2 sonja biggs educational servicesWeb1 mrt. 2024 · A subducted slab of lithosphere may slowly slip into the upper mantle and fall to the transition zone due to its relative density and coolness. Over millions of years, it may sink further into the lower mantle. Convection currents may then transport the hot, buoyant material in D’’ back through the other layers of the mantle. soniya mehra\u0027s brother rohan mehraWeb30 jan. 2004 · The rigid outer layer of our planet, called the lithosphere, is the cold, top boundary of convection cells in the mantle. Two features of the ocean floor are the results of this active process. At ocean trenches, old, cold, and dense lithosphere sinks back into the hotter mantle below, dragging surface plates along with it. soniya sharma teachableWeb1.e. the core is more dense than the mantle 2.b. the inner core is solid nickel-iron 3.b. The Crust and the rigid uppermost Mantle 4.b. the earth's magnetic field is generated by convection in the outer core and the fact that the inner core rotates faster than the outer core 5.b. ocean basins are pulled deep by the action of descending slabs of lithosphere 6.a. … small low price carsWebThe oceanic lithosphere sinks into the mantle at the subduction zones. The geological process which involves the recycling of the oceanic lithosphere into the Earth’s mantle … soniya shoe cabinet blackWebLecture 14 - Rock cycle - How 3 types of rocks can be changed into one another - To igneous - Melting, cooling - To sedimentary - Erosion, deposition - To metamorphic - Baking, pressing - Convection - Hot material flows up, cold material flows down - Convection cells - Produce convection currents - Asthenosphere and Lithosphere - Asthenosphere flows … small low power air conditionerWebCooler, older, oceanic lithosphere sinks into the mantle at _____. Multiple Choice . Q15 . Answer: Unlock to view answer. In the early part of the twentieth century, _____ argued forcefully for the idea of continental drift. Multiple Choice . Q16 . Answer: small low set ears