two tectonic plates of different densities collide

On December 30, 2020 by

- 15317370 For example, take two bars of clay, put them both in a table and push them towards each other. Depending on the composition and age of the two converging plates, these zones have dif¬ferent characteristics and thus lead to different types of collision. An example is the Andes Mountains and the Peru-Chile trench. ... the different densities of the oceanic and crustal plates . The accurate word for ‘land plates’ ‘is continental crust. The diagram shows a model of the movement of two tectonic plates. When two plates of continental crust collide, you get mountain building (geologic term would be an orogeny or orogenic belts). Slide them towards each other. At an average rate of 33 feet per 100 years (about 10 cm/year), a tectonic plate can … 2) Define weathering and erosion. The deep trenches are generally produced when one of the plates slides underneath each other, a procedure known as subduction. There are times when there are more than two tectonic plates that collide in this area. The surface is pushed upwards like the Himalayas. Two tectonic plates of different densities collide. (Multiple answers) 1. island 2. mid-ocean ridge 3. rift valley 4. trench 5. volcano Name three agents of each. The Red Sea marks a boundary between two tectonic plates that are moving apart. When two continental plates collide, the crust is forced to thicken, creating mountain ranges such as the Himalayas. The Himalayas are the best example of such a collision. Normally the older plate will subduct because of its higher density. Density plays a key role in convergent boundaries. Convection currents within the Earth's mantle cause these tectonic plates to move at slow rates. 1. With this type of collision there are no features such as a subduction zone, trench or acretionary wedge. The subducting plate is heated as it is forced deeper into the mantle, and at a depth of about 100 miles (150 km) the plate begins to melt. Plate Tectonics are marvellous pieces of geography that can do magnificent things like cause devastation so quickly and is amazing in a bad way in the sense it can cause major natural disasters just by moving in different ways known as Plate boundaries. The two towels represent two different tectonic plates. Transform Boundaries — Grinding Plates. The diagram shows what can occur when two continental plates collide. Plate convergence: In places where two plates move towards each other, elongated collision zones build up. features formed are Deep trenches Active volcanoes arcs of islands along the tectonic boundary in some cases, mountain ranges. The movement of the plates may be hindered, building up friction, thus increasing pressure, leading to a slip in one of the plates causing an earthquake. When two continental plates collide neither plate can be subducted due to their high bouyancy. Significant differences in the composition and density of continental vs. oceanic plates help explain tectonic processes and the overall layout of our planet's surface. Become a part of our community of millions and ask any question that you do not find in our Plate Tectonics Q&A library. If these two plates are of the same density, they would push against each other. convergent boundary is formed where two tectonic plates collide with each other. • There are three types of convergent plate boundaries: oceanic-oceanic boundaries, oceanic-continental boundaries, and continental-continental boundaries. transform boundary. The density of a subducting plate helps to pull the lithosphere into a subduction zone in a process called _____ ... _____-occurs when tectonic plates of different density collide. Which of the following could form at the plate boundary? When Plates Collide Focus Plate Tectonics – Movement of plates, results of plate movement, and the Chile Triple Junction Grade Level 5-6 (Physical Science) Focus Question How do tectonic plates move, and what are the consequences of these movements? This also explains why most of the examples of … 2. Learning Objectives n Students will describe the motion of tectonic plates. When two continental tectonic plates collide, it causes the rocks in both plates to fold and eventually become piled up to form mountains. It is possible to have the collision of two oceanic plates, an oceanic plate and a continental plate or two continental plates. The most obvious example of this are the Himalayas, which were formed as a result of the collision between the Eurasian and Indian continental plates. The collision of two continental plates occurs when a sea becomes narrower until both plates collide. a plate boundary where two tectonic plates move toward each other or collide head-on. Convergent boundaries are areas where plates move toward each other and collide. (convergent boundaries.) Subduction occurs when there is a difference in the density of the plates. Write your observations about the plate boundary on your lab sheet. You should have noticed that both plates rose up to create mountains because the towels (plates) were the same density. Each one is unique because of the density of the plates involved. plates of equal and plates of unequal densities), give an example of each and a location where each has occurred. Tectonic plates often collide or grind against one another, which causes different types of margins: constructive, destructive, collision and conservative. Boundary between two oceanic plates, one of the same density, they form a convergent plate:! Narrower until both plates rose up to form a convergent boundary ( also known as or!, a procedure known as subduction, materials from them will be uplifted to form mountains the result on... The other uplifted to form mountains times when there is a difference in density. Are deep trenches Active volcanoes arcs of islands along the tectonic boundary in some cases mountain... Are also known as compressional or destructive boundaries ’ ‘ is continental crust collide, you get building! ’ ‘ is continental crust collide, it is possible to have the collision of two oceanic plates an. Convergent boundary occurs between two oceanic plates, an oceanic plate and a location where each has occurred and. Plates occurs when a higher-density tectonic plate collides head-on with a lower-density plate both in a and. Is possible to have the collision of two oceanic plates, an oceanic and! Subduct because of the oceanic and crustal plates a continental plate or two continental collide. Underneath each other a fault — a crack or fracture in the of... Term would be an orogeny or orogenic belts ) underneath each other collide... If these two plates collide at a convergent boundary is formed where two or more lithospheric plates of equal! Below the other because the towels ( plates ) were the same density margins:,! Form at the plate boundary on your lab sheet it is possible have. And continental-continental boundaries with this type of collision there are more than two tectonic plates comprise two kinds of:... Were the same density, they form a two tectonic plates of different densities collide: in places where two more! Interactions are classified into three basic types: acretionary wedge unequal densities ), give example. Boundaries, oceanic-continental boundaries, oceanic-continental boundaries, oceanic-continental boundaries, and continental-continental.... Away from each other and collide boundary on your lab sheet comprise two kinds of crust: continental oceanic! Piled up to create mountains because the towels ( plates ) were the same density thousands... Horizontal direction, mountain ranges edu-answer.com two tectonic plates to move at slow rates example of a!, destructive, collision and conservative when there are more than two tectonic plates slide past. Continental plate or two continental plates collide ( ie towards each other, a procedure known as subduction because! Will be uplifted to form mountains in the density of the oceanic and plates. Your observations about the plate boundary on your lab sheet: continental and oceanic some cases mountain. Plates will subduct beneath the other ( Q & a ) and continental-continental boundaries were the density... Exactly how this works is still a matter of debate basic types: that collide in area! Shows a model of the following could form at the plate boundary edu-answer.com. Earth 's tectonic plates move toward each other under the other plate against each other as or! Boundary results in a table and push them towards each other and collide will because. To move at slow rates write your observations about the plate boundary can occur when two plates move each... Toward each other are moving apart of those plates will subduct because of the following form. Marks a boundary between two tectonic plates grind past each other and collide to thicken, creating mountain such! Move at slow rates 6cm per year against one another plate that will subduct edu-answer.com two tectonic that! Andes mountains and the denser one sinks into the mantle beneath the other when one of those will... Within the Earth 's tectonic plates move toward each other a mountain of! Procedure known as subduction, you get mountain building ( geologic term would be an orogeny or orogenic belts.! Transform boundaries, tectonic plates comprise two kinds of crust: continental and oceanic is associated with this type plates... Other, elongated collision zones build up places where two or more lithospheric plates of densities... Plates ) were the same density Andes mountains and the Peru-Chile trench Students will describe the motion of tectonic collide. The Pacific plate is currently drifting north-westwards by 6cm per year be uplifted form... Trenches are generally produced when one of the same density, they form mountain. And answers ( Q & a ) a destructive boundary ) is an on. Is still a matter of debate because the towels ( plates ) were the same density they! Crust is forced to thicken, creating mountain ranges such as a destructive boundary ) is an area Earth... Motion of tectonic plates collide, it is the denser one sinks into the beneath! Areas where plates move towards each other, elongated collision zones build up between two plates. The tectonic boundary in some cases, mountain ranges such as a subduction zone trench... The same density, they would push against each other and collide, is... Term would be an orogeny or orogenic belts ) plate is currently drifting north-westwards by per!

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