0
What else can I help you with?
What 2 tectonic plates move to each other with one going down and the other going over top?
It is the oceanic plate that is subducted into the melting zone as it is the denser out of that and the continental plate. In fact, the continental plates have been known to chant such provocations as "going down going down going down" and "who's your daddy!" in the subduction zone.
Can continental lithosphere subduct?
Not usually, as the rock they are made of (mostly granite) is too light to sink into the mantle (mostly denser basalt). Small fragments of continental crust can get entrained in a subducting oceanic plate and be dragged down into the mantle as that plate subducts. Where continental crust collides with oceanic crust, it always floats forcing the oceanic crust down and causing it to subduct. Where continental crust collides with continental crust, both plates crumple and compress dramatically, being forced upward into unusually high mountains (e.g. the Himalayas) and downward into deep continental roots that support the weight of those mountains. Nothing subducts in this case. But whole continental plates subducting does not happen, while much more oceanic plate area has been subducted in the history of the earth than the total surface area of the earth.
Where is the crust deepest?
Deepest doesn't really make sense, so I'm going to answer assuming you meant thickest. Oceanic crust or continental crust? Oceanic crust is thickest at spreading centers and continental crust is deepest at collision zones, the Himalayan/Tibet collision zone to be exact.
How do the mountains that form along an oceanic-oceanic convergent boundary differ from those associated with an oceanic-continental convergent boundary?
In a oceanic-continentalconvergent boundaryyou normally get subduction , when one plate slides under another. In this case the plate subducting, or going under is the oceanic plate ( it is more dense ), so the mountains would be just of the continental plate. In aoceanic-oceanic convergent boundary the mountains would just be oceanic ( basalt).
Can you compare and contrast divergent convergent and transform plate boundaries?
Okay this is going to be long :X IN GENERAL... Divergent Plate Movement (plates move away from each other)- Continental and continental, oceanic and oceanic -Constructive Plate Boundary Convergent Plate Movement (plates move towards each other)- Continental and Oceanic, Oceanic and Oceanic, Continental and Continental -Destructive Plate Boundary Transform Plate Movement (plates sliding past each other)- Continental and Continental -Conservative Plate Boundary DIVERGENT PLATE MOVEMENT When plates move apart, magma wells up from Earth's mantle to form a new ocean floor with mid-oceanic ridges. It is a constructive plate boundary because new land crust is being created. O & O (Oceanic and Oceanic) Oceanic Ridges and Submarine volcanoes are formed. Shallow earthquakes may occur and there may be volcanic activity. Magma from the deeper mantle wells up into the gap formed when two oceanic plates move away from each other, and some of it melts and is erupted on the surface as lava, while others are injected near the surface to crystallize as other igneous rocks. The seafloor may also spread, and magma rises to the floor and solidify, forming new crust. Therefore it is a constructive plate boundary as new crust is formed and added to the ocean floor. An example of the resulting landforms would be the Mid-Atlantic Ridge. C & C (Continental and Continental) When two continental plates move away from each other, a sea is formed. E.g. Red Sea. CONVERGENT PLATE MOVEMENT When plates move towards each other, they may collide. When 2 oceanic plates collide, plate edges are bent into a deep trench called thesubduction zone. It is a destructive plate boundary because the subducted plate is destroyed in the process. O & O Subduction takes place, and the over-riding plate (the plate above) folds and form islands, whilst the heavier plate sinks into the mantle of the Earth and is melted away by the magma. The magma rises and forms volcanoes. E.g. Japan. C & O When an oceanic plate collide with a continental plate, the oceanic plate sinks as it has a larger density. Lithosphere materials from the oceanic crust are subducted in the trench whilst the continental border is fractured, folded and uplifted. Magma rises and a mountain accompanied by volcanic activity are formed. E.g. Andes Mountains. C & C When two continental plates collide, neither sinks because they have similar densities. The continental lithosphere buckles and is uplifted instead, forming fold mountains. Little volcanic activity occur as rocks from the lithosphere do not sink deep into the asthenosphere (upper mantle zone) Earthquakes, faulting and folding however, are common. E.g. Himalayas. TRANSFORM PLATE MOVEMENT Occurs when two plates slip past each other. Tear faults form, accompanied by earthquakes due to great amount of stress built up in these areas, but there is little volcanic activity and little crustal material is destroyed.
What 2 tectonic plates move to each other with one going down and the other going over top?
It is the oceanic plate that is subducted into the melting zone as it is the denser out of that and the continental plate. In fact, the continental plates have been known to chant such provocations as "going down going down going down" and "who's your daddy!" in the subduction zone.
Why are continental plates are made up of older rocks?
Continental Plates are made of old rocks because they are never created or destroyed. For example, when an earthquake occurs, it can be caused by one tectonic plate going underneath another. The plate that goes underneath is always an oceanic plate because the rock is of a higher density. So, in summary, continental plates are lighter than oceanic crust, so they are never destroyed (hence why they are made of old rock).
Can continental lithosphere subduct?
Not usually, as the rock they are made of (mostly granite) is too light to sink into the mantle (mostly denser basalt). Small fragments of continental crust can get entrained in a subducting oceanic plate and be dragged down into the mantle as that plate subducts. Where continental crust collides with oceanic crust, it always floats forcing the oceanic crust down and causing it to subduct. Where continental crust collides with continental crust, both plates crumple and compress dramatically, being forced upward into unusually high mountains (e.g. the Himalayas) and downward into deep continental roots that support the weight of those mountains. Nothing subducts in this case. But whole continental plates subducting does not happen, while much more oceanic plate area has been subducted in the history of the earth than the total surface area of the earth.
Where is the crust deepest?
Deepest doesn't really make sense, so I'm going to answer assuming you meant thickest. Oceanic crust or continental crust? Oceanic crust is thickest at spreading centers and continental crust is deepest at collision zones, the Himalayan/Tibet collision zone to be exact.
How do the mountains that form along an oceanic-oceanic convergent boundary differ from those associated with an oceanic-continental convergent boundary?
In a oceanic-continentalconvergent boundaryyou normally get subduction , when one plate slides under another. In this case the plate subducting, or going under is the oceanic plate ( it is more dense ), so the mountains would be just of the continental plate. In aoceanic-oceanic convergent boundary the mountains would just be oceanic ( basalt).
Which tectonic plates are continental and which are oceanic?
The majority of the plates are going to be both, such as the African plate or the North American plate. The Pacific plate is an example of, guess which, the oceanic plates. I don't know the name of it right off the top of my head, but the only continental only plate I can think of is the one that covers Russia and most of Europe.
What is the correct order starting from the surface of the Earth's layers?
The correct order of Earth's layers from the surface going inwards is: crust (continental and oceanic), mantle (upper and lower), outer core, and inner core. Each layer has distinct characteristics such as composition and state of matter.
Can you Compare Convergent Plate Boundary and Divergent Plate Boundary?
Okay this is going to be long :X IN GENERAL... Divergent Plate Movement (plates move away from each other)- Continental and continental, oceanic and oceanic -Constructive Plate Boundary Convergent Plate Movement (plates move towards each other)- Continental and Oceanic, Oceanic and Oceanic, Continental and Continental -Destructive Plate Boundary Transform Plate Movement (plates sliding past each other)- Continental and Continental -Conservative Plate Boundary DIVERGENT PLATE MOVEMENT When plates move apart, magma wells up from Earth's mantle to form a new ocean floor with mid-oceanic ridges. It is a constructive plate boundary because new land crust is being created. O & O (Oceanic and Oceanic) Oceanic Ridges and Submarine volcanoes are formed. Shallow earthquakes may occur and there may be volcanic activity. Magma from the deeper mantle wells up into the gap formed when two oceanic plates move away from each other, and some of it melts and is erupted on the surface as lava, while others are injected near the surface to crystallize as other igneous rocks. The seafloor may also spread, and magma rises to the floor and solidify, forming new crust. Therefore it is a constructive plate boundary as new crust is formed and added to the ocean floor. An example of the resulting landforms would be the Mid-Atlantic Ridge. C & C (Continental and Continental) When two continental plates move away from each other, a sea is formed. E.g. Red Sea. CONVERGENT PLATE MOVEMENT When plates move towards each other, they may collide. When 2 oceanic plates collide, plate edges are bent into a deep trench called thesubduction zone. It is a destructive plate boundary because the subducted plate is destroyed in the process. O & O Subduction takes place, and the over-riding plate (the plate above) folds and form islands, whilst the heavier plate sinks into the mantle of the Earth and is melted away by the magma. The magma rises and forms volcanoes. E.g. Japan. C & O When an oceanic plate collide with a continental plate, the oceanic plate sinks as it has a larger density. Lithosphere materials from the oceanic crust are subducted in the trench whilst the continental border is fractured, folded and uplifted. Magma rises and a mountain accompanied by volcanic activity are formed. E.g. Andes Mountains. C & C When two continental plates collide, neither sinks because they have similar densities. The continental lithosphere buckles and is uplifted instead, forming fold mountains. Little volcanic activity occur as rocks from the lithosphere do not sink deep into the asthenosphere (upper mantle zone) Earthquakes, faulting and folding however, are common. E.g. Himalayas. TRANSFORM PLATE MOVEMENT Occurs when two plates slip past each other. Tear faults form, accompanied by earthquakes due to great amount of stress built up in these areas, but there is little volcanic activity and little crustal material is destroyed.
Where can you see a divergent boundary without going to a mid ocean bridge?
You would need to find a continental rift. The best example of an active continental rift is the East African Rift.
What is a real life example of a rotation?
Earth going around the sun.
Can you compare and contrast divergent convergent and transform plate boundaries?
Okay this is going to be long :X IN GENERAL... Divergent Plate Movement (plates move away from each other)- Continental and continental, oceanic and oceanic -Constructive Plate Boundary Convergent Plate Movement (plates move towards each other)- Continental and Oceanic, Oceanic and Oceanic, Continental and Continental -Destructive Plate Boundary Transform Plate Movement (plates sliding past each other)- Continental and Continental -Conservative Plate Boundary DIVERGENT PLATE MOVEMENT When plates move apart, magma wells up from Earth's mantle to form a new ocean floor with mid-oceanic ridges. It is a constructive plate boundary because new land crust is being created. O & O (Oceanic and Oceanic) Oceanic Ridges and Submarine volcanoes are formed. Shallow earthquakes may occur and there may be volcanic activity. Magma from the deeper mantle wells up into the gap formed when two oceanic plates move away from each other, and some of it melts and is erupted on the surface as lava, while others are injected near the surface to crystallize as other igneous rocks. The seafloor may also spread, and magma rises to the floor and solidify, forming new crust. Therefore it is a constructive plate boundary as new crust is formed and added to the ocean floor. An example of the resulting landforms would be the Mid-Atlantic Ridge. C & C (Continental and Continental) When two continental plates move away from each other, a sea is formed. E.g. Red Sea. CONVERGENT PLATE MOVEMENT When plates move towards each other, they may collide. When 2 oceanic plates collide, plate edges are bent into a deep trench called thesubduction zone. It is a destructive plate boundary because the subducted plate is destroyed in the process. O & O Subduction takes place, and the over-riding plate (the plate above) folds and form islands, whilst the heavier plate sinks into the mantle of the Earth and is melted away by the magma. The magma rises and forms volcanoes. E.g. Japan. C & O When an oceanic plate collide with a continental plate, the oceanic plate sinks as it has a larger density. Lithosphere materials from the oceanic crust are subducted in the trench whilst the continental border is fractured, folded and uplifted. Magma rises and a mountain accompanied by volcanic activity are formed. E.g. Andes Mountains. C & C When two continental plates collide, neither sinks because they have similar densities. The continental lithosphere buckles and is uplifted instead, forming fold mountains. Little volcanic activity occur as rocks from the lithosphere do not sink deep into the asthenosphere (upper mantle zone) Earthquakes, faulting and folding however, are common. E.g. Himalayas. TRANSFORM PLATE MOVEMENT Occurs when two plates slip past each other. Tear faults form, accompanied by earthquakes due to great amount of stress built up in these areas, but there is little volcanic activity and little crustal material is destroyed.
What is the difference between a mid oceanic ridge and a subduction zone?
A subduction zone occurs at convergent plate margins where an oceanic plate is going underneath a continental plate or a less dense oceanic plate. A mid-ocean ridge is a divergent plate boundary on the ocean floor with a mountain range and a rift running through the center of it. Sea floor spreading also occurs at mid ocean ridges.
