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Yes, when older, colder oceanic plates sink below younger, warmer plates in a process called subduction, the density of the older plate increases as it is subjected to higher pressures and temperatures in the Earth's mantle. This increase in density allows the plate to sink into the mantle.
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What is the difference between oceanic and continental plates?
Continental plates are thicker and less dense. Continental plates are mainly granitic in composition. Oceanic plates are mainly basaltic in composition. The rock of continental plates is on average, much older than the rock of the oceanic plates. The oceanic plate underlies the oceans, and the continental plate makes up the land masses. Continental plates do not subduct at convergent plate boundaries.
How is continental lithosphere different from oceanic lithosphere?
Continental plates are thicker and less dense. Continental plates are mainly granitic in composition. Oceanic plates are mainly basaltic in composition. The rock of continental plates is on average, much older than the rock of the oceanic plates. The oceanic plate underlies the oceans, and the continental plate makes up the land masses. Continental plates do not subduct at convergent plate boundaries.
Where is the thickest crust found below what?
The thickest crust is found below continents, particularly in mountainous regions like the Himalayas or the Andes. Continental crust is generally thicker and less dense than oceanic crust due to the accumulation of sediments and the presence of older rock formations.
What are three hypotheses about the causes of plate motion?
The theory of plate tectonics suggests that the movement of plates is driven by convection currents in the Earth's mantle. As hot material rises and cooler material sinks, it creates a circular motion that moves the plates. Ridge push hypothesis posits that the expansion of the oceanic lithosphere at mid-ocean ridges pushes the older, denser plates away. Slab pull hypothesis suggests that the sinking of cold, dense oceanic plates at subduction zones pulls the rest of the plate behind it.
At a destructive plate margin what determines whether a subduction zone or collision zone is formed?
The density of the tectonic plates involved determines whether a subduction zone or collision zone is formed at a destructive plate margin. If one plate is denser than the other, it will subduct beneath the other plate, forming a subduction zone. If the plates have similar densities, they will collide and form a collision zone.
What is the difference between oceanic and continental plates?
Continental plates are thicker and less dense. Continental plates are mainly granitic in composition. Oceanic plates are mainly basaltic in composition. The rock of continental plates is on average, much older than the rock of the oceanic plates. The oceanic plate underlies the oceans, and the continental plate makes up the land masses. Continental plates do not subduct at convergent plate boundaries.
When two oceanic plates meet at a convergent boundary which plate pushes below the other plate?
At a convergent boundary where two oceanic plates meet, the denser plate will typically subduct below the less dense plate. The denser plate is usually the older, cooler, and more compacted of the two plates.
Why would newer rock layers ever be below older rock layers?
Due to faulting or folding.
When two oceanic plates converge the one that subducts is the one that?
is more dense, typically the older and colder plate, while the younger and less dense plate will ride over the top of it.
What is the difference between older and newer airbags?
newer are better
What happens when an oceanic crust colides with another oceanic crust?
The younger of the two plates, because it is less dense,* will ride over the edge of the older plate.
How much does it cost to transfer plates and title in Illinois?
There is not a set specific cost to transfer the title and plates on a vehicle in Illinois. The cost will depend on the make, model, and year of the vehicle.
Do you need Eu plates to drive in France or will a GB sticker do?
The French renew their old plates only when the car registration is updated (for a change of the owner's address, or a change of owner). Older cars do not have to switch to the newer "EU plates" in France and the sticker of the country of origin (GB in your case) will be enough.
What is the difference in older day and newer day phones?
newer day are longer distance
Can you playPS2 pgames on PS3?
on the older models from 60gb and below...the newer ones cut that feature to reduce the price 100$ to make it more affordable to people
Where do the World of Warcraft dances come from?
The link below will give a preview of where some of the older races get their dances from. It is not totally up-to-date with the newer races dances yet.
Can newer cars jumpstart older cars?
Yes
