plate tectonics
... the crest of ridges represent divergent plate boundaries. • Rift valleys are deep faulted structures found along the axes of divergent plate boundaries. They can develop on the seafloor or on land. • Seafloor spreading produces new oceanic lithosphere. ...
... the crest of ridges represent divergent plate boundaries. • Rift valleys are deep faulted structures found along the axes of divergent plate boundaries. They can develop on the seafloor or on land. • Seafloor spreading produces new oceanic lithosphere. ...
Figure 1-2.
... Cross-section of the mantle based on a seismic tomography model. Arrows represent plate motions and large-scale mantle flow and subduction zones represented by dipping line segments. EPR =- East pacific Rise, MAR = MidAtlantic Ridge, CBR = Carlsberg Ridge. Plates: EA = Eurasian, IN = Indian, PA = Pa ...
... Cross-section of the mantle based on a seismic tomography model. Arrows represent plate motions and large-scale mantle flow and subduction zones represented by dipping line segments. EPR =- East pacific Rise, MAR = MidAtlantic Ridge, CBR = Carlsberg Ridge. Plates: EA = Eurasian, IN = Indian, PA = Pa ...
03-10_plate_invest_worksheet10.v2
... Table 4. Showing the Plate Boundaries in Cross Section On the figure below, draw a simple cross section of your plates in the subsurface. Use other figures in this chapter as a guide to the thicknesses of the crust and lithosphere and to the geometries typical for each type of plate boundary. Some f ...
... Table 4. Showing the Plate Boundaries in Cross Section On the figure below, draw a simple cross section of your plates in the subsurface. Use other figures in this chapter as a guide to the thicknesses of the crust and lithosphere and to the geometries typical for each type of plate boundary. Some f ...
8th Grade Earth Science Study Guide Where`s is most of Earth`s
... 17. Why would a volcanic island arc be a landform most likely created when two oceanic plates converge? When plates are converging they are moving toward each other. When this happens, on plate can be pushed under the other. The plate pushed underground will melt back into magma and a volcano can be ...
... 17. Why would a volcanic island arc be a landform most likely created when two oceanic plates converge? When plates are converging they are moving toward each other. When this happens, on plate can be pushed under the other. The plate pushed underground will melt back into magma and a volcano can be ...
Quick Quiz Plate Tectonics Introduction to Plate Tectonics
... Where two plates slide against each other Strong, frequent, shallow earthquakes Most dramatic example is the San Andreas Fault in California 1989 Loma Prieta Earthquake 1994 Northridge Earthquake ...
... Where two plates slide against each other Strong, frequent, shallow earthquakes Most dramatic example is the San Andreas Fault in California 1989 Loma Prieta Earthquake 1994 Northridge Earthquake ...
Chapter 5 Test - Bloomsburg Area School District
... 1. What is the rock that makes up the Earth’s outer layer? ...
... 1. What is the rock that makes up the Earth’s outer layer? ...
Congestion in the Earth`s Mantle Mineralogists explain in the
... Atlantic for some centimeters while the floor of the Pacific Ocean is subducted underneath the South American Continent. "In 100 million years' time Africa will be pulled apart and North Australia will be at the equator," says Prof. Dr. Falko Langenhorst from the Friedrich Schiller University Jena ( ...
... Atlantic for some centimeters while the floor of the Pacific Ocean is subducted underneath the South American Continent. "In 100 million years' time Africa will be pulled apart and North Australia will be at the equator," says Prof. Dr. Falko Langenhorst from the Friedrich Schiller University Jena ( ...
Tectonics and Stratigraphy
... asthenosphere that causes the plates of the lithosphere to move. Heated material in the asthenosphere becomes less dense and rises toward the solid lithosphere, through which it cannot rise further. It therefore begins to move horizontally, dragging the lithosphere along with it and pushing forward ...
... asthenosphere that causes the plates of the lithosphere to move. Heated material in the asthenosphere becomes less dense and rises toward the solid lithosphere, through which it cannot rise further. It therefore begins to move horizontally, dragging the lithosphere along with it and pushing forward ...
20141216092471
... 66) _______________ are formed along subduction zones between converging Continental and Oceanic plates a) Deep Ocean Trenches b) Subduction Zones c) Rift Valleys d) Mid ocean ridges ...
... 66) _______________ are formed along subduction zones between converging Continental and Oceanic plates a) Deep Ocean Trenches b) Subduction Zones c) Rift Valleys d) Mid ocean ridges ...
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 ...
Moving Plates
... The plates are moving relative to one another. For example the plates that carry North America and the plate that carries Europe are moving away from each other. Wherever plates meet, earthquakes signal their movement. ...
... The plates are moving relative to one another. For example the plates that carry North America and the plate that carries Europe are moving away from each other. Wherever plates meet, earthquakes signal their movement. ...
Rubrics for Earth Stations
... 1) Get a netbook and get on school website. Navigate to the folder “Constructive & Destructive Geologic Events” folder. Open the folder and read through the powerpoint. 2) Take notes on the powerpoint creating a list of constructive forces & destructive forces. Use a T-cart to organize your lists. T ...
... 1) Get a netbook and get on school website. Navigate to the folder “Constructive & Destructive Geologic Events” folder. Open the folder and read through the powerpoint. 2) Take notes on the powerpoint creating a list of constructive forces & destructive forces. Use a T-cart to organize your lists. T ...
Chapter 10 Whole Notes
... This occurs because newer warm rock cools and becomes denser allowing it to sink into the asthenosphere and push away from the ridge. The largest ridge on our planet is located in the Atlantic Ocean and is known as the Mid-Atlantic Ridge (3) Slab Pull Old parts of a plate will sink down into the man ...
... This occurs because newer warm rock cools and becomes denser allowing it to sink into the asthenosphere and push away from the ridge. The largest ridge on our planet is located in the Atlantic Ocean and is known as the Mid-Atlantic Ridge (3) Slab Pull Old parts of a plate will sink down into the man ...
QAD-Answers
... Q What is a mid-ocean ridge? A A mid-ocean ridge is an underwater mountain chain. D Where sea floor spreading takes place New oceanic lithosphere forms Magma rises toward the surface and solidifies ...
... Q What is a mid-ocean ridge? A A mid-ocean ridge is an underwater mountain chain. D Where sea floor spreading takes place New oceanic lithosphere forms Magma rises toward the surface and solidifies ...
c. How do distinctive rock strata support the Theory of
... Transform boundaries -- where crust is neither produced nor destroyed as the plates slide horizontally past each other. Plate boundary zones -- broad belts in which boundaries are not well defined and the effects of plate interaction are unclear. ...
... Transform boundaries -- where crust is neither produced nor destroyed as the plates slide horizontally past each other. Plate boundary zones -- broad belts in which boundaries are not well defined and the effects of plate interaction are unclear. ...
bridge - The Institute of Mathematical Sciences
... A convergent boundary is also known as a destructive plate boundary because of subduction. It is an actively deforming region where two (or more) tectonic plates or fragments of lithosphere move toward one another and collide. As a result of pressure, friction, and plate material melting in the mant ...
... A convergent boundary is also known as a destructive plate boundary because of subduction. It is an actively deforming region where two (or more) tectonic plates or fragments of lithosphere move toward one another and collide. As a result of pressure, friction, and plate material melting in the mant ...
Chapter_2_Section_2_NOTES
... a) Where a plate of _ocean _______ crust collides with a plate of _continental crust, the ocean crust plunges underneath and melts. The molten rock erupts onto the surface through a _volcano_________________. b) When two plates push together, the crust cracks and splinters from ___the pressure_. The ...
... a) Where a plate of _ocean _______ crust collides with a plate of _continental crust, the ocean crust plunges underneath and melts. The molten rock erupts onto the surface through a _volcano_________________. b) When two plates push together, the crust cracks and splinters from ___the pressure_. The ...
1-1 Plate Tectonics
... Plate tectonics – the idea that the earth’s surface is covered by tectonic plates that are continually moving. The main features of plate tectonics are: ...
... Plate tectonics – the idea that the earth’s surface is covered by tectonic plates that are continually moving. The main features of plate tectonics are: ...
11 EG SP Exam 1 Review
... The test will cover chapters 1, 2, 3, 4, and 6. In addition to doing the reading and studying your notes please review the material that I have put online. Chapter 1 Review class notes and posted presentation. How old is the Earth? What is thought to have caused the extinctions of the dinosaurs? Dia ...
... The test will cover chapters 1, 2, 3, 4, and 6. In addition to doing the reading and studying your notes please review the material that I have put online. Chapter 1 Review class notes and posted presentation. How old is the Earth? What is thought to have caused the extinctions of the dinosaurs? Dia ...
Glossary Earth Forces completed
... downwards into the mantle where it melts into magma. When plates collide two geological events can occur: The magma rises up to the surface, erupting to form a ...
... downwards into the mantle where it melts into magma. When plates collide two geological events can occur: The magma rises up to the surface, erupting to form a ...
Notes: Plate Tectonics - Riverdale Middle School
... cause plate tectonics – the cycle of heating, rising, cooling, and sinking of material inside Earth ...
... cause plate tectonics – the cycle of heating, rising, cooling, and sinking of material inside Earth ...
Exploring the Geosphere and its Processes Name__________________________________
... Under the Other? ...
... Under the Other? ...
Plate Tectonics
... would get 'stuck’ and lock together. But since the convection currents of the underlying magma are still dragging the plates, much tension and pressure is built up at the transform boundary. When there is sufficient buildup of pressure, rocks in the plates break and get jerked apart. ...
... would get 'stuck’ and lock together. But since the convection currents of the underlying magma are still dragging the plates, much tension and pressure is built up at the transform boundary. When there is sufficient buildup of pressure, rocks in the plates break and get jerked apart. ...
Review Sheet Quiz 2
... 1) Earth's interior is a dynamic system with relatively warm rock rising and cool rock sinking, all as part of the cooling process of the planet. a) True b) False 2) Alfred Wegener proposed the idea of Continental Drift based on all but which of the following: a) Continental coastlines b) Magnetic S ...
... 1) Earth's interior is a dynamic system with relatively warm rock rising and cool rock sinking, all as part of the cooling process of the planet. a) True b) False 2) Alfred Wegener proposed the idea of Continental Drift based on all but which of the following: a) Continental coastlines b) Magnetic S ...
Plate tectonics
Plate tectonics (from the Late Latin tectonicus, from the Greek: τεκτονικός ""pertaining to building"") is a scientific theory that describes the large-scale motion of Earth's lithosphere. This theoretical model builds on the concept of continental drift which was developed during the first few decades of the 20th century. The geoscientific community accepted the theory after the concepts of seafloor spreading were later developed in the late 1950s and early 1960s.The lithosphere, which is the rigid outermost shell of a planet (on Earth, the crust and upper mantle), is broken up into tectonic plates. On Earth, there are seven or eight major plates (depending on how they are defined) and many minor plates. Where plates meet, their relative motion determines the type of boundary; convergent, divergent, or transform. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along these plate boundaries. The lateral relative movement of the plates typically varies from zero to 100 mm annually.Tectonic plates are composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust. Along convergent boundaries, subduction carries plates into the mantle; the material lost is roughly balanced by the formation of new (oceanic) crust along divergent margins by seafloor spreading. In this way, the total surface of the globe remains the same. This prediction of plate tectonics is also referred to as the conveyor belt principle. Earlier theories (that still have some supporters) propose gradual shrinking (contraction) or gradual expansion of the globe.Tectonic plates are able to move because the Earth's lithosphere has greater strength than the underlying asthenosphere. Lateral density variations in the mantle result in convection. Plate movement is thought to be driven by a combination of the motion of the seafloor away from the spreading ridge (due to variations in topography and density of the crust, which result in differences in gravitational forces) and drag, with downward suction, at the subduction zones. Another explanation lies in the different forces generated by the rotation of the globe and the tidal forces of the Sun and Moon. The relative importance of each of these factors and their relationship to each other is unclear, and still the subject of much debate.