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Plate Tectonics Introduction Continental Drift Seafloor Spreading Plate Tectonics Divergent Plate Boundaries Convergent Plate Boundaries Transform Plate Boundaries Summary This curious world we inhabit is more wonderful than convenient; more beautiful than it is useful; it is more to be admired and enjoyed than used. Henry David Thoreau Introduction • • • Earth’s lithosphere is divided into mobile plates. Plate tectonics describes the distribution and motion of the plates. The theory
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points in this report revolve around tectonic plate subduction‚ uplift around the Denali fault‚ and the rock composition of the mountain. The combination of these three forces are integral reasons for why the mountain has been able to grow to its size and why it’s been able to maintain its height. To understand how subduction has affected Denali and the Alaska mountain range‚ you first need to understand how plate tectonics work. The theory of plate tectonics centers on the idea that the Earth’s
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Continental Drift and Plate Tectonics Theory (Part 1a) Introduction: The Beginning of the “Continental Drift Theory” In the middle of the eighteenth century‚ James Hutton proposed a theory‚ uniformitarianism; “the present is the key to the past”. It held that processes such as geologic forces- gradual and catastrophic-occurring in the present were the same that operated in the past. (Matt Rosenberg‚ 2004) This theory coincides with the theory of Continental Drift that was first proposed by Abraham
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Plate tectonics provide the perfect clues to where and what seismic hazard will occur? Discuss. It is at the boundaries of the planet’s tectonic plates that most of the world’s major landforms occur and where earthquakes‚ volcanic and mountain building zones are located. The surface of the planet is made up of seven large and several smaller rigid tectonic plates which float on the semi-molton asthenosphere; the movement of these plates is influenced by the convection cells under the lithosphere
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Plate Tectonics‚ Earthquakes‚ and Volcanoes Renee Kuraly 1. There are 13 tectonic plates. (several smaller ones) 2. Evidence for continental drift includes: coastline fit‚ alignment of mountain ranges‚ similar rock sequences‚ fossils‚ modern fauna‚ and ancient climates. 3. We know plate boundaries exist because their defined by earthquake data and the depths of earthquakes show what type of boundary they are. 4. Divergent Boundary- places where plates are moving apart. Convergent Boundary-
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Would the world be the same if there weren’t plate tectonics? The answer is no‚ because that is how the oceans‚ land‚ and many more things were created. There would be no rocks or plate boundaries. Every living thing on earth would have to adapt to these types of things‚ if there even was living things on earth. The different types of rocks like igneous‚ sedimentary‚ and metamorphic have to go through a process to become that type of rock. Igneous is formed when magma is cooled and
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The Impact Of Plate Tectonics on the Caribbean * The Caribbean Plate is a mostly oceanic tectonic plate underlying Central America and the Caribbean Sea off the north coast of South America. * Volcanic activity in the Caribbean itself‚ as distinct from Central America‚ is largely limited to the eastern Caribbean. Here‚ the Caribbean plate‚ moving approximately west to east‚ meets the North American plate‚ which is moving approximately east to west. This creates what is known as a seductions
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Adapted from an activity by Laurel Goodell February 2013 Introduction to Plate Tectonics via Google Earth (24 pts) B. Topographic Patterns Uncheck all of the layers and focus on topographic features of the earth. Topography of the earth ABOVE sea level Questions Answers 1. Are mountains randomly distributed on the continents‚ or do they tend to occur in particular patterns (clusters‚ linear chains‚ arcs‚ etc.)? Some appear in lines and others in arcs 1pt 2. Find Mt. Everest‚ the highest point
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Plate Tectonics & Marine Resources The ocean is one of the worlds greatest natural resources. It provides the Earth’s population with numerous amounts of resources that have value and others that provide pure enjoyment. Transportation is one of the major uses of the ocean‚ along with recreational activities‚ and inspiration. As for resources extracted from the ocean that provide the economy with value‚ three of the main include oil‚ minerals‚ and food. Oil or gas are the top resources extracted
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