MAJOR FAULT LINES The Philippine Sea Plate or Philippine Plate is a tectonic plate comprising oceanic lithosphere that lies beneath the Philippine Sea‚ to the east of the Philippines. Most segments of the Philippines‚ including northern Luzon‚ are part of the Philippine Mobile Belt‚ which is geologically and tectonically separate from the Philippine Sea Plate. The North American Plate is a tectonic plate covering most of North America‚ Greenland‚ Cuba‚ Bahamas‚ and parts ofIceland and the Azores
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Sandstone. ‘’Thanks to modern geology‚ we now know the true story of how mountains are formed. Simply put‚ they are the result of tectonic forces or volcanism.’’(Universe 2016) The Ox Mountains are a fold mountain range. Fold Mountains are formed when two tectonic plates collide at convergent plate boundaries. During this process the less dense crust to float over the denser plate. The material is then forced upwards
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Chapter 1: An Introduction to Geology What is geology‚ and what is the difference between physical and historical geology? Geology is the scientific study of the Earth and its major systems Physical Geology is the Study of the Earth’s composition. structure‚ and the processing that shape it Historical Geology is the Study of Earth’s history and the history of life With respect to why we study geology‚ in class I cited three areas of benefit to humanity where geologic knowledge is needed. What
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by Natural‚ Physical and Human activities. * They are created by the actions of various forces of nature such as wind‚ water and ice * Landform creating actions are Erosional process‚ Depositional process and Movement of the earth’s tectonic plates Types of Aeolian landforms : 1. Barchan (also spelled Barkhan) * A barchan (barkhan dune) is an arc-shaped (crescent-shaped) sand ridge. * produced by the action of wind predominately from one direction
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effect [p. 7] 8. If you erect a barrier for protection against some natural event‚ what detrimental effect can follow? * It can affect people in other locations (such as downstream). [p. 10] Topoc2. 1. When did the direction of the Pacific plate change‚ and what direction was it moving before this change? * changed at 43 million years. * Before this change‚ it was moving north-northwest. [p. 29] 2. If the ocean floor is getting wider‚ why is the Earth not becoming larger? * old ocean
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zone When 2 continental plates collide. Neither plate is forced under the other‚ nor so both are forced up and form fold mountains. Composite volcano Composite volcanoes are made up of alternating layers of lava and ash (other volcanoes just consist of lava). They are usually found at destructive or compressional boundaries. Cone They are the build-up of rock from the volcanic vent; it piles up in the shape of a cone with a central crater. Conservative plate boundary a plate boundary where the relative
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may affect the country any moment. As Bangladesh is the world’s most densely populated area‚ any future earthquake shall affect more people per unit area than any other seismically active regions of the world. 2. Causes of Earthquake 2.1. Plate Tectonics An earthquake is the violent shaking of the Earth caused by a sudden movement of rock beneath its surface. Rocks respond to stress (squeezed or pulled apart) near the Earth ’s surface
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which Japan had ever recorded and can only be explained by plate tectonics. As seen in figure 3‚ the earthquake occurred in a subducting zone where the Eurasian plate and the Pacific plate are converging. Figure 4 shows the continental Eurasian plate being subducting the oceanic Pacific plate and every year the pacific plate travels a distance of nine centimetres towards
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inside. As the liquid moves‚ the crust moves with it‚ the tectonics plates move with it‚ causing the continents to move with it too. Figure 1: Supercontinent Pangaea PROOF Among
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MEN BEHIND SCIENTIFIC INVESTIGATION & DISCOVERIES I- Introduction “He had in fact most of the qualities that make a great scientist: an innate curiosity and perceptiveness regarding natural phenomena‚ insight into the heart of a problem‚ technical ingenuity‚ persistence in seeing a job through and that physical and mental toughness that is essential to the top-class investigator.” - Leonard Colebrook (1883 - 1967) Scientists are known by their discoveries‚ inventories‚ theories discovered
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