What Is The Function Of The Mid Oceanic Ridge? Mid-ocean ridges represent one of the most important geologic processes shaping the Earth: Over the last 200 million years, two-thirds of the Earth has been resurfaced through this process of seafloor spreading, either at conventional mid-ocean ridge spreading centers or at spreading centers in back-arc basins
When Two Plates Collide The Oceanic Crust Usually Subducts Beneath The Continental Crust Because It Is? When an oceanic plate converges with a continental plate, the oceanic crust will always subduct under the continental crust; this is because oceanic crust is naturally denser. Convergent boundaries are commonly associated with larger earthquakes and higher volcanic activity.
Which Characteristics Describe A Divergent Plate Boundary? A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth’s mantle to the surface, solidifying to create new oceanic crust. What are the characteristics of divergent boundaries quizlet? A divergent boundary
What Is The Theory Of Seafloor Spreading Quizlet? In sea-floor spreading, the sea floor spreads apart along both sides of a mid-ocean ridge as new crust is added. … Several types of evidence supported Hess’s theory of sea-floor spreading: eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages
What Region Where Oceanic Plates Sink Down Into The Asthenosphere? The region where oceanic plates sink down into the asthenosphere is called a subduction zone. Oceanic/Oceanic Collisions When two oceanic plates collide, one of the oceanic plates slides under the other, much as in a continental/oceanic collision. What is it called when regions of Earth’s
Which Plate Boundary Causes The Most Damage? In general, the deepest and the most powerful earthquakes occur at plate collision (or subduction) zones at convergent plate boundaries. Which plate boundary causes the least damage? Magma from beneath the Earth’s crust wells up into the gap created between the plates, so there may be lava flows,
Is The Continental Crust Solid Or Liquid? The crust is made of solid rocks and minerals. Beneath the crust is the mantle, which is also mostly solid rocks and minerals, but punctuated by malleable areas of semi-solid magma. Is the oceanic crust solid liquid or plastic? The crust is an outer solid layer where life
Why Is Slab Pull Important? Slab pull is the force exerted by a dense oceanic plate sinking into the mantle at a convergent plate boundary. Slab pull is a key force acting on plate motion Why is slab pull important in the movement of plates? “slab pull” As lithospheric plates move away from midocean ridges
Can A Plate Have Both Oceanic And Continental Crust? Tectonic plates can transport both continental crust and oceanic crust, or they may be made of only one kind of crust. Oceanic crust is denser than continental crust. At a subduction zone, the oceanic crust usually sinks into the mantle beneath lighter continental crust. Which tectonic
At What Type Of Plate Boundary Is Oceanic Crust Created? Oceanic crust is created at divergent boundaries, such as the mid-ocean ridge. Oceanic crust is destroyed at convergent boundaries where subduction results in a trench, such as the Mariana Trench or Cayman Trough.] At which type of boundary is new oceanic crust created quizlet? The