Level Material History of Rock Worksheet Leah Bechtel 12/09/2012 SCI/245 Robert Dillon Write a 500- to 750-word explanation regarding the role of plate tectonics in the origin of igneous rocks. The role of plate tectonics in the origin of igneous rock is extremely important. Igneous rock is formed from magma that reaches the continental and oceanic crust or through hot spots that are around the world. There are three different places where igneous rocks can form; where the lithospheric
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Write a 500- to 750-word explanation regarding the role of plate tectonics in the origin of igneous rocks. To begin‚ igneous rocks come from magma‚ and magma is related to plate tectonics. Magmas differ in composition‚ temperature and viscosity. This is a major identifier of igneous rocks‚ is that they were once molten and magma Plate tectonics are the theory that the Earth’s lithosphere‚ which is the outer rigid shell is composed of several different pieces‚ or “plates” that float on a ductile
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Segregation of black ethnicities does not exist in the sense of being a legally enforced and mandated system by official governments‚ since South Africa had repealed all laws regarding apartheid back in 1991. But segregation does exist as a form of mentality or subconsciousness. For instance‚ in the city of Chicago‚ the area is still divided into several isolated neighborhoods‚ for Hispanics‚ African Americans‚ Asians‚ and lesbians and gays. And the community of African American is clustered in
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Igneous Rock SCI245 July 20‚ 2011 CheckPoint: Igneous Rocks The answer to how igneous rocks are formed is given in their name; Igneous is Latin for “fire”. This basically means igneous rocks are cooled fire rocks from magma or lava‚ depending on where they cooled and formed. There are two categories of igneous rocks that also depend on where each was formed. Intrusive igneous rocks are igneous rocks that form when magma cools slowly and becomes solid underground. Extrusive igneous rocks are igneous
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Metamorphic rocks are the transformation of the existing rocks‚ the protolith through the process of metamorphism. The Protoliths can be the igneous rock‚ sedimentary rock or any old metamorphic rock. Due to severe heat and pressure‚ the protolithis get various chemical or physical changes. These rocks create a huge part of the Earth’s crust and these can be classified by the mineral and chemical assemblage and by the textures. Examples of the metamorphic rocks are: slate‚ gneiss‚ schist‚ marble
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Activity 2.2.1 Observing Mechanisms Introduction A mechanism is a device that transmits movements so that the output movement is different than the input movement. It can be used to change the direction‚ speed‚ force‚ or type of movement. The output of a robot or any machine is motion and force in some form. A drill press‚ for example‚ has two kinds of motion: rotary and linear. The drill spinning provides the rotary motion; moving the drill down through the material is the linear motion. The
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Imagine that you are an African American living in the south during the 1960’s. During this time segregation would have been a daily problem for you. Segregation is when people are separated based on things like gender‚ race‚ or skin color. In the United States‚ from the end of the Civil War until 1964‚ people were separated by race. For example‚ white and black people could not attend the same schools‚ go to the same pools‚ movie theaters‚ or restaurants together and they could not use the same
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First off you should know what a rock cycle is. The rock cycle is a fundamental concept in geology that describes the dynamic transitions through geologic time among the three main rock types: sedimentary‚ metamorphic‚ and igneous. Rocks make rocks. The cycle begins within the core of the earth. The molten rock in the core of the earth is called magma. Once the rock is forced to the earth’s lithosphere or crust‚ the molten rock becomes lava and thereby begins its long journey of development
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Is Peter the Rock? It is a significant position that divides the Christian religion. For nearly five hundred years‚ Catholics and Protestants have quarreled over the meaning behind a verse in the gospel of Matthew‚ "That thou art Peter‚ and upon this rock I will build my church" (Matt. 16:18‚ KJV). This essay will argue that the Apostle Peter is the rock in the sixteenth chapter of Matthew. It is apparent that Christ gave Peter primacy among the other disciples‚ declaring him the rock to which his
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The Little Rock Crisis occurred in 1957‚ when Arkansas Governor Orval Faubus ordered the National Guard to physically bar nine African American students from entering Little Rock Central High School‚ despite segregation being outlawed. The “Nine” were carefully chosen by Daisy Bates‚ the president of the Arkansas National Association for the Advancement of Colored People (NAACP)‚ and interviewed them to make sure that they were strong and determined enough to be able to handle what awaited them‚
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