trench; Mother Lode‚ CA; Owen Rift‚ Tasmania‚ Singhbhum Shear Zone?) ⇒ received a new meaning with the advent of plate tectonics‚ leading to two interpretations: they were (i) paleo- subduction zones now represented by mega- lineaments and (ii) transform faults which were either genetically related to oblique subduction zone of the ocean floor or extension of the transform fault related to the beginning of ocean floor spreading beneath the intracontinental rift (metal- rich brine in the
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Effects of earthquakes Shaking and ground rupture Shaking and ground rupture are the main effects created by earthquakes‚ principally resulting in more or less severe damage to buildings and other rigid structures. The severity of the local effects depends on the complex combination of the earthquake magnitude‚ the distance from the epicenter‚ and the local geological and geomorphological conditions‚ which may amplify or reduce wave propagation.[44] The ground-shaking is measured by ground acceleration
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Discuss the evidence for tectonic plate movement There has been a variety of different evidence for tectonic plate movement but the main evidence was Wegener’s theory which was based on a variety of different evidence from several sciences. Alfred Lothar Weneger was a German polar researcher‚ geophysicist and meteorologist‚ he first thought of this idea by noticing that the different large landmasses of the Earth almost fit together like a jigsaw puzzle. In 1912‚ he proposed his explanation – the
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a tectonic plate. This place was shifting northward towards Asia at a rate of 10 centimeters per year. The ocean got progressively smaller unit about 55 million years ago when it collided with Asia. There was no more ocean left of lubricate the subduction and so the plates formed the High Plateau of Tibet and the Himalayan Mountains. Evidence that Pangea may have existed can be found in land animals‚ vegetation‚ mountains‚ and the climate. Fossils and plants that are the same‚ can be found on
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they are pulling apart from each other they are called Divergent Boundaries. If they are bumping or sideswiping each other they are transform boundaries. Convergent boundaries occur when two plates slide towards each other. They can also create subduction zones which means that one plates moved under the other. They may also create an orogenic belt which refers to two
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Over time plate movement or subduction causes increasing strain on "sticking points" within the crust. Similar to if you rub two pieces of sand paper together‚ they will initially resist sliding until enough strain is built up. At that point‚ the "sticking point" is weakened and releases
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The plates maintain their movement through a process called plate tectonics. This means that to this very day‚ continents are still moving! Processes such as seafloor spreading‚ rift valley formation‚ and subduction were the main geologic forces behind what Wegener recognized as continental drift. Wegener published a book named ‘The Origin of Continents and Oceans’ in 1915‚ which outlined his theory of Continental Drift even more. Even though he had a lot of
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Talk:Lithosphere From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Lithosphere has been listed as a level-4 vital article in Science. If you can improve it‚ please do. This article has been rated as C-Class. WikiProject Geology [hide](Rated C-class‚ High-importance) GeologyWikipedia:WikiProject GeologyTemplate:WikiProject GeologyGeology articles Earth sciences portal v t e Lithosphere is part of WikiProject Geology‚ an attempt at creating a standardized‚ informative
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which causes deformation (changing shapes) and uplift of the continental crust forming fold mountains (in this case the Andes). Meanwhile the denser oceanic crust is forced under the continental crust back into the mantle. This process is known as subduction and generates magma‚ which rises towards the surface forming volcanoes which in turn contribute to mountain building. Farming The mountain slopes of the Andes are used for a variety of farming practices. The best land can be found on the valley
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The origin of the Philippines The Philippines is a country of Southeast Asia‚ with its 7‚107 islands strewn over the Western Pacific Ocean‚ approximately 13 N of the equator and 122 E of Greenwich. Its collective land area is about 300‚000 sq. km‚ about the size of the state of Arizona. This island archipelago is one of the most megadiverse countries in the world‚ housing over 5% of the entire world’s flora in an area not even 1% of the world’s total. An estimated 10‚000 to 11‚000 species of
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