Incredible Igneous Rocks Granite is one of the most well-known and commonly found types of igneous rock. Granite batholiths are a common rock type found in Richmond‚ VA. These larger igneous‚ intrusive rocks are found near my grandparents’ home in Richmond‚ and as a child I would constantly climb and play on them. Looking at granite in class always reminds me of these batholiths by my grandparents’ home. Granite consists mostly of the minerals quartz‚ mica and feldspar‚ which give granite its typical
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A joint is defined as a fracture in a rock between the sides of which there is no observable relative movement. They are present is most consolidated rocks of igneous‚ metamorphic and sedimentary origin. Joints may form as a result of either diastrophism or contraction. Description: (i) A series of parallel joints is called a ’joint set’. (ii) Two or more joint sets intersecting each other produce a ’joint system’. (iii) Two sets of joints nearly at right angles to one another‚ produced by the
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The rock cycle involves of a chain of continual progressions through which earth materials change from one form to another over time. Some processes in the rock cycle happen over millions of years and others occur much more quickly. There is no real starting or completion to the rock cycle; however‚ it may be appropriate to begin investigating the rock cycle with magma (Bergman 2005). Magma‚ or molten rock‚ forms only at certain locations within the earth‚ mostly along plate boundaries. Magma crystallizes
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c‘School of Rock’ The film ‘School of Rock’ is a comedy directed by Richard Linklater and produced by Scott Rudin. During the opening sequences‚ the various different film techniques prepare the audience for the rest of the film. The film is about a “wannabe” rock guitarist‚ Dewey Finn. He gets kicked out of his band and poses as a substitute teacher for money. He then realises the pupils are musically talented and enters them in a rock competition “Battle of the Bands”. The title graphics mix
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intrusive rocks harden slowly beneath the surface of the earth‚ and often form large mineral crystals within the rock. Granite is a good example of an intrusive rock.Porphyritic intrusive rocks have large crystals embedded in a matrix of smaller crystals. Pegmatite is the only porphyritic rock on the Science Olympiad list.Extrusive rocks harden quickly during a volcanic eruption and are usually smooth-grained. Basalt is the most common form of extrusive rock. |IgneousName |Classification|Description
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The History of Punk Rock What comes to your mind when you hear the word “punk?” Do you think of a violent‚ attention-seeking young person‚ or do you think of a rebellious teenager who is trying to go against the mainstream society? “Punk is about being 16 and saying no.” According to Encarta Dictionary: English‚ punk is a youth movement of the late 1970s‚ characterized by loud aggressive rock music‚ confrontational attitudes‚ body piercing‚ and unconventional hairstyles‚ makeup‚ and clothing
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table salt (halite). Identifying Minerals Minerals have many different properties‚ and geologists use these properties to determine what kind of mineral is before them. Scientists use a combination of properties to distinguish between these minerals‚ using the process of elimination. More on the physical properties of minerals. The following is a description of each of these properties: 1.Color- Color is usually the first property observed when handling a specimen. Color
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About the Igneous rocks: The Igneous rocks are the oldest type of rocks among all. The word "Igneous" comes from a Greek word which means fire. In the deepest part of the Earth‚ the minerals are found in a liquid form‚ which is known as magma. When the magma pushes towards the surface of the Earth‚ it starts to get cool and converts into the solid Igneous rocks. The formation of Igneous Rocks: The Igneous rocks are known as the fire rocks and these are generally formed underground or above the
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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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THE ROCK CYCLE ● ● ● ● There are three main types of rocks: igneous‚ sedimentary‚ and metamorphic. Each of these types of rocks are formed in different ways and each type of rock can be changed into the other types of rock. This process is called the Rock Cycle. The rock cycle is the process that makes and recycles rocks. IGNEOUS ROCKS ● ● ● ● ● ● Igneous rocks are formed from magma. Magma cools and solidifies into rock. When igneous rocks are exposed on the surface‚ time and weather break the
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