Study Guide, Exam 3
Study Guide, Exam 3 GEOL 205 001
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This page Study Guide was uploaded by Katie Rosen on Sunday November 8, 2015. The Study Guide belongs to GEOL 205 001 at University of South Carolina taught by Professor Bizimis in Fall 2015. Since its upload, it has received 173 views. For similar materials see Earth Resources in Geology at University of South Carolina.
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Date Created: 11/08/15
Geology Exam 3 Studyguide lUnderground mines are easy to see a true b false 2 Tunnels for underground mining are located a close to the ore body b far away from the ore body 3 What purpose does the location of the tunnels serve a to give miners easy access to the ore b the tunnels are generally located where resources are rich c to cut down on waste 4 Mining that uses an ore parallel to the surface and is overlain by vegetation and soil is a underground mining b openpit mining c strip mining 5 Mining that permanently changes local topography is a underground mining b openpit mining c strip mining 6 Acid mine drainage AMD is the same thing as Acid Rock Drainage ARD a true b false 7 Which of the following is NOT an issue with AMD a it changes the pH of the water b It causes high levels of dissolved toxic metals in the water including Pb Cu Cd Fe and Zn c Causes a shortage of water d makes the water unsafe for humans 8 Mining has main effects on causing AMD a l b 2 c 3 d 4 9 Pyrite oxidation is naturally a very quick process a true b false 10 Mining opens up mines to oxygen which is a main cause of AMD a true b false 11 Which of the following is the main use for gold a earrings b wedding rings c cell phones d currency 12 13 14 15 16 17 18 19 20 21 Why is gold used in electronics a to make cell phones computers and other electronics more expensive b to stimulate the economy c because they have high electrical conductivity d because they have low electrical conductivity Which of the following is not found at a placer deposit a gold b diamond c titanium d aluminum is usually formed from the oxidation of primary sulfides in an ore body a native gold b titanium c bacteria d aluminum Gold is not soluble a true b false if gold is moved through processes it was moved by water and was redeposited a transporting b hydro c placer d uvial If gold is moved by water and redeposited it is gold a old b placer c new d concentrated A majority of gold mined as placer gold a is b is not Diamonds are formed under old lithosphere a cold b hot c deep d shallow In order for diamonds to form they must be more than deep a 150ft b 130km c 150km d 130ft 34 billion year old diamonds can be found in a Central Africa b Asia c Atlanta d South Africa 22 If diamonds are too close to the surface they are a stable b unstable c metastable d metaunstable 23 If diamonds are too close to the surface they will change forms to a graphite b blood diamonds c titanium d stable 24 In order to avoid changing forms diamonds have to surface very quickly using a Mining b Volcanic Pipes c Xenoliths d Kimberlite pipes 25 Diamonds are than your average rock a more dense b less dense c density depends on size 26 Con ict diamonds fund government activity a true b false 27 Con ict diamonds have raised up to million dollars a year a 200 b 500 c 300 d 700 28 Organic matter rich in carbon and hydrogen accumulates and buries forming oil and gas deposits a slowly b rapidy c over time d slightly 29 The main areas where biological productivity is high enough to accumulate significant amounts of biological material are a continental shelves b mid atlantic ridges c rifts d valleys 30 The source of organic matter is a plants b large animals c dinosaurs d marine organisms 31 Where does sediment accumulate a deltas b bodies of water c on dry land d sedimentary strata 32 Where does sediment deposit a deltas b bodies of water c on dry land d sedimentary strata 33 Which of the following factors is NOT related to the amount of sediment moved to a drainage basin a slope of the river b current of the river c tectonic setting d climate 34 The weight of sediments pushes down on the asthenosphere pushing it out and away from the sediments causing it to sink This is called a Weathering b Erosion c Clastic sediment d subsidence 35 Which city is below sea level due to subsidence a Atlanta Georgia b Charleston South Carolina c New Orleans Louisiana d Stamford Connecticut 36 Oil and gas can form at a large window of pressure and temperature a true b false 37 During the formation of oil heat through a process called cracking a breaks down bonds b is absorbed at a very high pressure c builds on the chains d strengthens bonds 38 Oil directly out of the ground is generally a extremely useful b very valuable c useless d used as gasoline 39 Refining oil is a step process a l b 2 c 3 d 4 40 The first step in refining oil is a cracking b subsidence c fractional distillation d partial cracking 41 The countries of the Middle East hold approximately percent of the world s oil reserves a 65 b 75 c 45 d 50 42 The United States a relies on oil imports b is independent and produces a majority of the oil we consume 43 The US uses billion barrels of oil per year on average a 100 b 15 c 4 d 7 44 The amount of oil in the strategic petroleum reserve is about million barrels a 220 b 550 c 440 d 530 45 M King Hubbert s analysis implied that the production history of a resource under the in uence of free market forces would inevitably for a over the lifetime of the resource Hubbert concluded that the production of crude oil in the US would in the years 19651970 a bellshaped curve increase b radial curve decrease c bellshaped curve decrease d radial curve increase 46 Smaller organic molecules and higher temperatures produces lighter oil compositions larger organic molecules and lower temperature produce heavier oil compositions a true b false 47 Phytoplankton is used as a source for organic matter which we know because oil and phytoplankton have similar molecules called pyrrole rings a true b false 48 Oil and Natural gas are energy resources a renewable b nonrenewable 49 If oil is eXtracted and has less than 5 carbons it is a crude oil b sour oil c sweet oil d natural gas 50 The two general classifications of oil are a crude and natural b shallow and deep c sweet and sour 1 heavy and light ANSWERS l B 2 A 3 C 4 C 5 B 6 B 7 C 8 B 9 B 10 A 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 0UDUgtgtOUUUgtgtOUUODgtUUOUUUgtUUgtWOWgtUgtOUOgtgtWUgtgtUOU
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