metamorphic process? Liberation of h2O 11. What factors affect the specific changes which take place during metamorphism? High temperatures cause dehydration‚ range of pressures 12. Describe contact metamorphism. Cold rock is intruded by hot magma 13. Describe regional metamorphism. Motions of plates at convergent plate boundaries 14. How is metamorphism like cooking (called an "isochemical" process). As temp and pressure increase‚ atoms become immobile‚ therefore creating new minerals
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Welcome to the Galapagos Islands! The Galapagos are an archipelago of several volcanic islands located in the Pacific Ocean. The archipelago consists of 13 major islands‚ six minor islands‚ and 40 smaller rock formations and reefs spread out over 17‚000 square miles of ocean. They are born to create fire‚ and in the last 200 years a remarkable 50 plus eruptions have occurred. Looking into the geographic location and plate tectonic settings can easily help show why more than 50 eruptions have occurred
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research and evidence for this to become a leading theory. This means that although volcanic and seismic events help to prove the plate tectonics theory valid‚ there is also a range of other factors involved. Vulcanicity is the surface presence of Magma within the Earth’s crust. Whereas seismicity is where the
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tectonic plates meet; the heavier plate slides underneath the light plate and melts down to become magma. This mixes with trapped gases and steam in the magma chamber (Gates‚ 2009). Pressure from surrounding rocks forces the magma to the surface through weak points‚ such as fractures and when it reaches the crust an explosion occurs with regard to the amount of pressure available and the viscosity of magma creating a subduction volcano. Volcanoes can additionally be formed when two tectonic plates move
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inner core. As the core of the planet heats up from the decay of radioactive elements deep in the earth‚ the rocks melt‚ forming magma. This heat needs to be released and allowed to escape to the surface. An eruption hole‚ or vent‚ is created through which burning hot molten rock and gases are released to the surface of the earth. The build-up of the ashes and lava flows (magma that has been released from the earth) that are released around the hole accumulate to create a volcano. These happen most often
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June 2010 The hazards presented by volcanic and seismic events have the greatest impact on the world’s poorest people.” To what extent do you agree with this view? PLAN: 1. What is a hazard- volcanic hazards include tephra‚ lava‚ pyroclastic flows‚ volcanic bombs and seismic hazards include earthquake‚ tsunami‚ liquefaction‚ landslides 2. Human issues- proximity to lowland coast‚ ability to adapt to change‚ socioeconomic effects‚ impacts within a community‚ difference in rich and poor‚ urban and
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The Three Pigs II: Vengeance There were once three swine that lived in a house of astoundingly well constructed crimson brick. It held up to the tremendous typhoon of an immensely powerful and terribly malevolent wolf. The wolf‚ however‚ refused to admit his mortifying defeat at the hands of three hogs that he thought were akin to a dirt devouring earthworm in the bowels of the planet in comparison to his might. He was starving for vengeance. Six years after the wolf’s defeat‚ the three pigs
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EOSC 114 – Final Review Notes Get A’s or die trying. Jason Kim Unit 1: A Fragile System At least 3 earthquake recording stations are required to find the location of the earthquake epicenter. A single recording station can only calculate distance‚ but not direction; to cover all possibilities‚ a complete circle is drawn around that station. If only two earthquake recording stations are used‚ the circles will overlap at two points. Data from a third recording station will eliminate one of
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Race Your Marbles to Discover a Liquid’s Viscosity Which Liquid Has the Highest Viscosity? In this project we will determine the viscosities of 5 separate liquids. The liquids we will test are corn syrup‚ honey‚ vegetable oil‚ milk‚ and water. We will find their viscosities by dropping a marble into each of these liquids and measuring the time it takes for it to reach the bottom. Before we conduct the experiment‚ we must first understand what viscosity is. “Viscosity is the quantity that describes
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Volcanic and seismic events are major pieces of evidence towards proving that the plate tectonics theory is valid. The theory of tectonic plates was first posed by Alfred Wenger in 1912. Is the theory of how the earth lithosphere is made up of many separate pieces of the earth’s crust known as tectonic plates. He put forward the idea that all the earth’s continents were once conjoined in one supercontinent called Pangaea‚ and that these continents were moved by convection currents over a period
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