File - Sturgeon City
... Divergent boundaries are places where the lithospheric plates are moving apart. Most divergent boundaries have mid-ocean ridges (2) with deep rift valleys (3) along their entire length. Rising convection currents in the asthenosphere (1) carry molten rock into the rift valleys, where new rocks solid ...
... Divergent boundaries are places where the lithospheric plates are moving apart. Most divergent boundaries have mid-ocean ridges (2) with deep rift valleys (3) along their entire length. Rising convection currents in the asthenosphere (1) carry molten rock into the rift valleys, where new rocks solid ...
Plate Tectonics 1. What evidence did Alfred Wagner use to support
... Ocean to beyond the southern tip of Africa).• Convergent boundaries:- Oceaniccontinental convergence: the coast of South America along the Peru-Chile trench.Oceanic-oceanic convergence: the Marianas Trench.- Continental-continental ...
... Ocean to beyond the southern tip of Africa).• Convergent boundaries:- Oceaniccontinental convergence: the coast of South America along the Peru-Chile trench.Oceanic-oceanic convergence: the Marianas Trench.- Continental-continental ...
PLATE TECTONICS
... continental drift, at the time his theory was not widely accepted. In spite of the evidence that the continents had once been joined, few scientists could understand how the massive continents, weighing billions of tons, could actually move. Wegener never satisfactorily explained this problem. He su ...
... continental drift, at the time his theory was not widely accepted. In spite of the evidence that the continents had once been joined, few scientists could understand how the massive continents, weighing billions of tons, could actually move. Wegener never satisfactorily explained this problem. He su ...
Plate Tectonics - NagelBeelmanScience
... towards one another. An example of a convergent boundary would be on the Washington – Oregon coastline. The Juan de Fuca oceanic plate is being subducted underneath the westward moving North American plate. Seduction is when an oceanic plate is forced down into the mantle by a thicker but less dense ...
... towards one another. An example of a convergent boundary would be on the Washington – Oregon coastline. The Juan de Fuca oceanic plate is being subducted underneath the westward moving North American plate. Seduction is when an oceanic plate is forced down into the mantle by a thicker but less dense ...
Notes on Plates: Sliding, Colliding, and Separating (text pgs. 174-175)
... Plates are cold, broken pieces of the lithosphere, that move on top of the hot, taffy-like asthenosphere.) ...
... Plates are cold, broken pieces of the lithosphere, that move on top of the hot, taffy-like asthenosphere.) ...
plate tectonics - Trupia
... continental drift, at the time his theory was not widely accepted. In spite of the evidence that the continents had once been joined, few scientists could understand how the massive continents, weighing billions of tons, could actually move. Wegener never satisfactorily explained this problem. He su ...
... continental drift, at the time his theory was not widely accepted. In spite of the evidence that the continents had once been joined, few scientists could understand how the massive continents, weighing billions of tons, could actually move. Wegener never satisfactorily explained this problem. He su ...
Section 22.4 Plate Tectonics
... 11. Is the following sentence true or false? The concept of sea-floor spreading supports the theory of plate tectonics by providing a way for the pieces of Earth’s crust to move. 12. Heat from Earth’s interior causes convection currents in Earth’s ...
... 11. Is the following sentence true or false? The concept of sea-floor spreading supports the theory of plate tectonics by providing a way for the pieces of Earth’s crust to move. 12. Heat from Earth’s interior causes convection currents in Earth’s ...
APES – Earth Systems
... plates are moving so that the cities are approaching each other, how many years will it take for the two cities to be situated adjacent to each other? Los Angeles is 630 km (380 miles) southeast of San Francisco. The plate under Los Angeles is moving northward at about 36 mm per year relative to t ...
... plates are moving so that the cities are approaching each other, how many years will it take for the two cities to be situated adjacent to each other? Los Angeles is 630 km (380 miles) southeast of San Francisco. The plate under Los Angeles is moving northward at about 36 mm per year relative to t ...
Marine Provinces
... the measurement of ocean depths and the charting of the shape or topography of the ocean floor ...
... the measurement of ocean depths and the charting of the shape or topography of the ocean floor ...
Submarine Earthquakes, Part I
... When the Juan de Fuca Plate collides with the Continental Plate, it slides underneath, sticking to the Continental Plate. Since plates continually move over time, this sticking becomes a big problem. How is it solved? Well, pressure and stress build up where the de Fuca Plate sticks to the Continent ...
... When the Juan de Fuca Plate collides with the Continental Plate, it slides underneath, sticking to the Continental Plate. Since plates continually move over time, this sticking becomes a big problem. How is it solved? Well, pressure and stress build up where the de Fuca Plate sticks to the Continent ...
theory of continental drift
... ocean ridge system, trenches, seamounts, and continental shelves— have been examined and catalogued. Using these and other data, Harry Hess and Charles Dietz proposed the idea of seafloor spreading. They suggested that the worldwide system of undersea mountains called the mid-ocean ridges is where n ...
... ocean ridge system, trenches, seamounts, and continental shelves— have been examined and catalogued. Using these and other data, Harry Hess and Charles Dietz proposed the idea of seafloor spreading. They suggested that the worldwide system of undersea mountains called the mid-ocean ridges is where n ...
EP-Y10-mod
... • Shield volcano – is a volcano made of BASIC lava (like the ones in Hawaii) the sides gently slope as the lava is runny like custard • Composite – a volcano made of alternate layers of lava and ash – looks like a triangle (classic volcano shape) ...
... • Shield volcano – is a volcano made of BASIC lava (like the ones in Hawaii) the sides gently slope as the lava is runny like custard • Composite – a volcano made of alternate layers of lava and ash – looks like a triangle (classic volcano shape) ...
Unit 3 notes
... ***Totally random bit of important information*** = A sediment-laden current that flows off of the continental slope is called a turbidity current. -As water picks up sediments on the continental shelf they become more dense and thus flow quickly down the continental slope after passing over the co ...
... ***Totally random bit of important information*** = A sediment-laden current that flows off of the continental slope is called a turbidity current. -As water picks up sediments on the continental shelf they become more dense and thus flow quickly down the continental slope after passing over the co ...
Chapter 14 Resource: Plate Tectonics
... 1. The hypothesis that continents move slowly is called continental ______. 2. All continents once might have been connected in a large landmass called ______. 3. The cycle of heating, rising, cooling, and sinking is a ______ current. 4. Just below Earth’s crust is the ______. 5. The crust and part ...
... 1. The hypothesis that continents move slowly is called continental ______. 2. All continents once might have been connected in a large landmass called ______. 3. The cycle of heating, rising, cooling, and sinking is a ______ current. 4. Just below Earth’s crust is the ______. 5. The crust and part ...
Nonrenewable Resources and Energy
... together by internal forces. At most convergent plate boundaries, the oceanic lithosphere is carried downward under the island or continent. Earthquakes are common here. It also forms an ocean ridge or a mountain range. Convergent ...
... together by internal forces. At most convergent plate boundaries, the oceanic lithosphere is carried downward under the island or continent. Earthquakes are common here. It also forms an ocean ridge or a mountain range. Convergent ...
Plate Tectonics - Coventry Local Schools
... Collisional boundary – a type of convergent boundary where two plates bearing continental crust are moving together. o ...
... Collisional boundary – a type of convergent boundary where two plates bearing continental crust are moving together. o ...
Plate tectonics/boundaries
... 23. Classifying Classify each of the plate boundaries shown on the figure and identify the type of boundary not shown. A- divergent boundary, sea floor spreads from this boundary Convergent boundary- where the continental crust and oceanic crust meet and the oceanic plate is subducted or pushed unde ...
... 23. Classifying Classify each of the plate boundaries shown on the figure and identify the type of boundary not shown. A- divergent boundary, sea floor spreads from this boundary Convergent boundary- where the continental crust and oceanic crust meet and the oceanic plate is subducted or pushed unde ...
World Geography 3200 / 3202: Unit 1 – Plate Tectonics Name: In
... 1.1.1 Explain how compressional forces are caused. (k) 1.1.2 Explain how tensional forces are caused. (k) 1.1.3 Relate selected plate movements to compressional and tensional forces. (a) ...
... 1.1.1 Explain how compressional forces are caused. (k) 1.1.2 Explain how tensional forces are caused. (k) 1.1.3 Relate selected plate movements to compressional and tensional forces. (a) ...
Continental-Drift-and-Seafloor-Spreading
... 4. Tropical plant fossils that were found on an island in Artic Ocean! (Scratches in rocks made by glaciers in South Africa) The continental drift theory was NOT accepted because Wegener could not explain HOW the continents were moving/drifted apart. ...
... 4. Tropical plant fossils that were found on an island in Artic Ocean! (Scratches in rocks made by glaciers in South Africa) The continental drift theory was NOT accepted because Wegener could not explain HOW the continents were moving/drifted apart. ...
Chapter 3: Marine Provinces
... Passive or active Passive Not close to any plate boundary No major tectonic activity Example: east coast of United States ...
... Passive or active Passive Not close to any plate boundary No major tectonic activity Example: east coast of United States ...
Tectonics and Stratigraphy
... that seems to stretch, characterized by shallowfocus earthquakes and volcanism. A release of pressure may causes partial melting of mantle and produces basaltic magma. This magma rises to surface and forms new oceanic crust. When it occurs with oceanic crust (oceanic ridges) and in continental crust ...
... that seems to stretch, characterized by shallowfocus earthquakes and volcanism. A release of pressure may causes partial melting of mantle and produces basaltic magma. This magma rises to surface and forms new oceanic crust. When it occurs with oceanic crust (oceanic ridges) and in continental crust ...
U4-T2.6-Plate Boundaries
... plates to move together. Once the oceanic crust between the two continents has been entirely subducted and the continental shelves have nearly joined, the process of subduction ceases. Lithosphere is destroyed as one oceanic slab ...
... plates to move together. Once the oceanic crust between the two continents has been entirely subducted and the continental shelves have nearly joined, the process of subduction ceases. Lithosphere is destroyed as one oceanic slab ...
Plate Tectonics campus assessment File
... B. The more dense oceanic crust subducts in the ocean and causes deep ocean trenches to form. C. The less dense oceanic crust subducts under the continental crust to create a trench. D. Due to subduction all around the Pacific Ocean the pacific ring of fire, a line of volcanism, exists. ...
... B. The more dense oceanic crust subducts in the ocean and causes deep ocean trenches to form. C. The less dense oceanic crust subducts under the continental crust to create a trench. D. Due to subduction all around the Pacific Ocean the pacific ring of fire, a line of volcanism, exists. ...
Part2platetectonics BEST!
... during the past 600 million years, and very likely not since shortly after its formation 4.6 billion years ago. The Earth's unchanging size implies that the crust must be destroyed at about the same rate as it is being created, as Harry Hess surmised. ...
... during the past 600 million years, and very likely not since shortly after its formation 4.6 billion years ago. The Earth's unchanging size implies that the crust must be destroyed at about the same rate as it is being created, as Harry Hess surmised. ...
Oceanic trench
The oceanic trenches are hemispheric-scale long but narrow topographic depressions of the sea floor. They are also the deepest parts of the ocean floor. Oceanic trenches are a distinctive morphological feature of convergent plate boundaries, along which lithospheric plates move towards each other at rates that vary from a few mm to over ten cm per year. A trench marks the position at which the flexed, subducting slab begins to descend beneath another lithospheric slab. Trenches are generally parallel to a volcanic island arc, and about 200 km (120 mi) from a volcanic arc. Oceanic trenches typically extend 3 to 4 km (1.9 to 2.5 mi) below the level of the surrounding oceanic floor. The greatest ocean depth to be sounded is in the Challenger Deep of the Mariana Trench, at a depth of 11,034 m (36,201 ft) below sea level. Oceanic lithosphere moves into trenches at a global rate of about 3 km2/yr.