side because the mountains block the flow of water to a certain degree. The mountains that define the whole park and offer a variety of life‚ along with the beauty that comes with it‚ were formed by the collision of tectonic plates. The North American plate and the Pacific Plate have been colliding for millions of years and they have shaped the unique terrain of Denali National Park. Glaciers have also left their mark on the land‚ making craters and valleys. The Park is made up of many types of rocks
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expressing the likelihood of a given event. 18. Celestial Objects- All objects in the sky or outer space as observed in astronomy. 19. Gravitational Force The force of attraction between all masses in the universe- (P. 187) 20. Plate Tectonics- The theory that the Earth’s surface is broken into large‚ rigid pieces that move slowly over the
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edu/~lstrayer/geol2101/2101_Ch19_03.pdf Paleontology and Geology glossary. (1996). Retrieved 2010‚ from Enchanted Learning: http://www.enchantedlearning.com/subjects/dinosaurs/glossary/Contdrift.shtml Plummer‚ C. C.‚ Carlson‚ D. H.‚ & Hammersley‚ L. (1937). Plate Tectonics. In C. C. Plummer‚ Physical Geology (pp. 485-86). McGraw Hill.
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density. 3. Physical properties of aesthnosphere and lithosphere. You should have knowledge of the composition and physical properties of the lithosphere and asthenosphere. Asthenosphere-lithosphere relationship is important to understanding plate tectionics. 4. Evidence of compositional characteristics of the internal structure of the earth. -meteorites are inferred to be composed of same material that earth was derived -overall densisty of earth is 5.5 gm/cm3 density of crust 2.6-3
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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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According to Javier Viruete‚ “island arcs develop because of subduction of oceanic lithosphere beneath another oceanic plate…aqueous fluids and/or hydrous melts released from the subducting slab and their reaction with the overlying mantel wedge provide the prime control on arc magma genesis.” Basically this explains the formation of the islands as being caused by tectonic plates colliding against each other and releasing molten rock masses from the
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flame to make the loop red‚ then left them to cool in the test tube tack for streaking. The media included a liquid (YED media that was made by 3g yeast extract‚ 6g anhydrous dextrose‚ 6g agar‚ and 300 mL tap water). The liquid media was on a hot plate‚ then an oven mitt was used to carefully transfer onto 4 petri dishes at a tilted angle‚ with the petri dish lids at an angle as well to reduce airborne contamination. After the end of each pour—no more than 2/3 of the petri dish’s capacity—the flask
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Volcanoes and Earthquakes test Bew c. 1. Where do earthquakes occur? Earthquakes occur at breaks in the earth’s crust called the fault lines. 2. What causes Earthquakes? Tectonic plates pushing‚ pulling‚ slipping past each other increasing the stress and causes elastic rebound to happen. During elastic rebound‚ energy is released and some travel as seismic waves‚ which cause an earthquake. 3. How do earthquake waves travel and what are the various types of waves? Body waves
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is associated with two of the plate boundary types: divergent and convergent margins‚ so activity is usually found along oceanic ridges where plates are moving apart‚ near rift valleys‚ on subduction zones where the most violent activity takes place and over hot spots which have given rise to the Hawaiian islands. Magma is generated at most plate boundaries‚ and this magma rises to the surface to form volcanoes. The mobility of crust also causes earthquakes. When plates collide or slide past each other
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the due date for full credit. (20 points) 1. The diagram below shows three plates (A‚ B‚ C). Plate B is denser than Plates A and C. A continent is shown on Plate C‚ along with seafloor. The other plates are entirely seafloor. The arrows show the directions that the plates are moving. Complete the table. First‚ note the geologic feature(s) that corresponds to each number on the map. Then explain in detail how the plate movements at each location account for the features at that location. Answer:
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