Chapter 3 - COSEE Florida
... such as seamounts exert more gravitational pull Differences affect sea level that can be detected by satellite Seismic reflection profiles looks at ocean structure beneath sea floor ...
... such as seamounts exert more gravitational pull Differences affect sea level that can be detected by satellite Seismic reflection profiles looks at ocean structure beneath sea floor ...
Continental Drift—An Idea Before Its Time
... • Plates move away from one another • Asthenosphere rises and partially melts to form lava — New crust is formed as lava fills in the gaps between plates ...
... • Plates move away from one another • Asthenosphere rises and partially melts to form lava — New crust is formed as lava fills in the gaps between plates ...
Tectonic plates - Hobbs High School
... 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 and the Ocean Floor opens with a brief history of
... Pull-apart faults create void (rift) that is filled in with upwelling magma from magma chambers Ocean floor created at first as narrow, linear seas (e.g., Red Sea) then widened to large oceans Faster spreading rates create broad, gentle mid-ocean ridge with less intense earthquakes (as measured by s ...
... Pull-apart faults create void (rift) that is filled in with upwelling magma from magma chambers Ocean floor created at first as narrow, linear seas (e.g., Red Sea) then widened to large oceans Faster spreading rates create broad, gentle mid-ocean ridge with less intense earthquakes (as measured by s ...
New Title
... 11. Most divergent boundaries occur along ___________________________ . 12. When two plates converge, the result is called a(n) _________________ . 13. When two plates collide, what determines which plate comes out on top? ________________________________________________________________ ____________ ...
... 11. Most divergent boundaries occur along ___________________________ . 12. When two plates converge, the result is called a(n) _________________ . 13. When two plates collide, what determines which plate comes out on top? ________________________________________________________________ ____________ ...
Tectonics of the Indonesian Region
... Other subduction systems are now active farther north in the Indonesian region. The Mindanao trench extends south to an abrupt end off northeastern Halmahera, likely at a left-lateral transform fault trending east-southeastward toward New Guinea. A short trench trends southward along the west side o ...
... Other subduction systems are now active farther north in the Indonesian region. The Mindanao trench extends south to an abrupt end off northeastern Halmahera, likely at a left-lateral transform fault trending east-southeastward toward New Guinea. A short trench trends southward along the west side o ...
Study Guide Key
... Transform: forms where two plates slide past one another. As they move past one another they can get stuck and stop moving. Stress builds up where the plates are stuck and eventually this stress is too great and the rocks break, suddenly moving apart. This results in a quick release of energy, resul ...
... Transform: forms where two plates slide past one another. As they move past one another they can get stuck and stop moving. Stress builds up where the plates are stuck and eventually this stress is too great and the rocks break, suddenly moving apart. This results in a quick release of energy, resul ...
![The structure of the earth and plate tectonics powerpoint[1].](http://s1.studyres.com/store/data/000675818_1-0c942579df7b5fb5f3e05388b631188c-300x300.png)
The structure of the earth and plate tectonics powerpoint[1].
... Plate tectonics • Plate tectonics make up the surface on the earth. The place where one plate meets another is called the plate boundary. Millions of years ago, the continents we know today were all joined together. This was called Pangea. • There is 3 ways plates can move: • Destructive or collidi ...
... Plate tectonics • Plate tectonics make up the surface on the earth. The place where one plate meets another is called the plate boundary. Millions of years ago, the continents we know today were all joined together. This was called Pangea. • There is 3 ways plates can move: • Destructive or collidi ...
Plate Boundaries
... Asthenosphere—the ductile part of the earth just below the lithosphere, including the lower mantle. The asthenosphere is about 180 km thick. Basalt— a hard, black volcanic rock with less than about 52 weight percent silica (SiO2) and high amounts of heavy elements like iron and magnesium and low sod ...
... Asthenosphere—the ductile part of the earth just below the lithosphere, including the lower mantle. The asthenosphere is about 180 km thick. Basalt— a hard, black volcanic rock with less than about 52 weight percent silica (SiO2) and high amounts of heavy elements like iron and magnesium and low sod ...
Plate Tectonics
... • As continents move toward the equator, its climate gets warmer. • Fossils of tropical plants were found in the Arctic Ocean. ( Spitsbergen) ...
... • As continents move toward the equator, its climate gets warmer. • Fossils of tropical plants were found in the Arctic Ocean. ( Spitsbergen) ...
Ch. 10 Earth Science Study Guide The youngest rocks on the ocean
... Atlantic Ocean. She collects rock samples from the seafloor every 5 kilometers. The oceanographer stops when she determines that the rock samples are getting increasingly younger as she moves toward the east. What conclusion is best supported by this data? a. She is c She is traveling away ...
... Atlantic Ocean. She collects rock samples from the seafloor every 5 kilometers. The oceanographer stops when she determines that the rock samples are getting increasingly younger as she moves toward the east. What conclusion is best supported by this data? a. She is c She is traveling away ...
Oceanography – EXAM 1 Review Questions
... 75) With respect to mid-ocean ridges, transform faults are: A) associated with hydrothermal vents. B) located in submarine canyons. C) parallel to the rift valley. D) perpendicular to the ridge axis. 76) Transform faults have all of the following characteristics except: A) they occur along transform ...
... 75) With respect to mid-ocean ridges, transform faults are: A) associated with hydrothermal vents. B) located in submarine canyons. C) parallel to the rift valley. D) perpendicular to the ridge axis. 76) Transform faults have all of the following characteristics except: A) they occur along transform ...
FREE Sample Here
... ocean’s lithosphere is composed of a low-silica crust, whereas the continental crust is largely composed of high-silica-content minerals. Earth’s lithosphere overlies asthenosphere— distinguished by rock properties/behavior/strength: Lithosphere is more rigid; asthenosphere is more plastic/easily de ...
... ocean’s lithosphere is composed of a low-silica crust, whereas the continental crust is largely composed of high-silica-content minerals. Earth’s lithosphere overlies asthenosphere— distinguished by rock properties/behavior/strength: Lithosphere is more rigid; asthenosphere is more plastic/easily de ...
Chapter 1: Introduction
... One explanation for shallow low-angle subduction of young slabs is active motion of the overriding plate towards the subducting plate by some external force, or ‘lithospheric doubling’ (Vlaar, 1983). This process may provide a means to subduct buoyant material and may result in shallow subduction wi ...
... One explanation for shallow low-angle subduction of young slabs is active motion of the overriding plate towards the subducting plate by some external force, or ‘lithospheric doubling’ (Vlaar, 1983). This process may provide a means to subduct buoyant material and may result in shallow subduction wi ...
Chapter 14 Resource: Plate Tectonics
... 1. plasticlike layer of Earth’s surface below the lithosphere 2. cycle of heating, rising, cooling, and sinking 3. theory that states that Earth’s crust and upper mantle are broken into sections, which move around on a special layer of the mantle 4. area where an oceanic plate goes down into the man ...
... 1. plasticlike layer of Earth’s surface below the lithosphere 2. cycle of heating, rising, cooling, and sinking 3. theory that states that Earth’s crust and upper mantle are broken into sections, which move around on a special layer of the mantle 4. area where an oceanic plate goes down into the man ...
Part III. Convergent Plate Boundaries
... • What is the major difference between seafloor spreading and rifting? • Answer: seafloor spreading occurs when oceanic crust separates, rifting is when continental crust separates ...
... • What is the major difference between seafloor spreading and rifting? • Answer: seafloor spreading occurs when oceanic crust separates, rifting is when continental crust separates ...
Tectonic Plates
... The Earth's plates are moving apart due to convection currents inside the Earth ...
... The Earth's plates are moving apart due to convection currents inside the Earth ...
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.