Geology Chapter 18 Practice Exam Questions Fully Solved

Water Oil - correct answers Oil will float on ____, and natural gas will be on top of the ___ Water is impounded behind a dam. Water flows through pipes by gravity. Gravity-fed water turns turbines (generators). Electricity is produced. - correct answers List the steps from beginning (at the top) to final production of electricity by hydroelectric dams Iron Copper Nickel Zinc Lead - correct answers Select all examples of base metals from choices below Reservoir - correct answers A __ is a rock unit with high porosity and permeability in which petroleum and natural gas can be trapped atoms - correct answers Nuclear fusion involves atoms that collide to produce larger and heavier elements, whereas nuclear fission involves the splitting of ___ Deposit Mineralized Ore - correct answers The term mineral __ means that a rock is especially rich in some commodity that is valuable; this rock is said to be ___, and the material that is desired in the rock is a ___ 1. Quarry limestone 2. Crush limeston 3. Add clays. 4. Roast limestone 5. Add gypsum to roasted mixture. - correct answers Place the following steps for making cement in the correct sequence from the start to the end. Reservoir - correct answers Oil field, gas field and oil and gas field are terms that are used to describe the area of ___ rock where hydrocarbons are located Unstable - correct answers Nuclear fission is when a(n) ______ isotope of a radioactive element splits apart. Erosion Faulting Sedimentation Weathering - correct answers From the list below, select choices that represent geologic events that mineral-exploration geologists have to be aware of as they search for mineral deposits that may have been altered, destroyed, preserved, enriched, or moved. Electricity - correct answers As long as the wind is blowing, wind turbines can produce Porous and permeable - correct answers Rocks that oil, natural gas, and groundwater can flow and seep through are ____ Coal-bed methane - Methane extracted from coal beds Oil Shale - Clay rich sediments that have trapped abundant organic materials within small pore spaces Tar sand - Heavy oil intermixed with sand, clay, and other sediments - correct answers Match the hydrocarbon on the left with its description on the right Concrete - correct answers ___ is a mixture of cement, water, and different-sized aggregate. Divergent - correct answers Along a ____ oceanic boundary, plates spread apart and decompression causes magmatism. Heated seawater here deposits a lot of sulfide minerals. Normal fault - Petroleum migrates through sedimentary layers, that have been displaced, until reaching the impermeable rock. Unconformity - Petroleum migrates up tilted layers of rock and is trapped by impermeable sedimentary layers overlying this erosional surface Thurst fault - Petroleum is trapped in sedimentary units which have been folded upward into an anticline. Facies change - Petroleum migrates until the unit changes character or thins and ends. - correct answers Match the type of trap with how it works to trap oil and gas High Drilling - correct answers After a magnetic survey is conducted by a mineral-exploration geologist and a magnetic __ is discovered, a test ___ can be conducted to confirm the findings. Evaporated - correct answers The tar at the La Brea Tar Pits is formed from petroleum that seeped to the surface and whose lighter, more volatile components ____, leaving behind the sticky tar. Yucca Mountain - correct answers _____, located in the Mojave Desert in Nevada, was the planned repository for radioactive high-level radioactive waste from nuclear power plants. By-products of open-pit copper mines Modern placer deposits Ancient placer deposits Veins - correct answers From the list below, select the geologic settings where gold and silver deposits might be found. Canada - correct answers The very controversy keystone xl pipeline has been proposed to carry oil derived from oil sands in _____ to the US It produces no greenhouse gases - correct answers All of the following are benefits of hydraulic fracturing except __ Value - correct answers Precious metal mines can be drilled very deep due to high _____ of precious metals. Sedimentary copper deposits. Porphyry deposits Massive sulfide deposits. - correct answers Select the three types of copper deposits from the choices below. Faults Salt Domes Anticlines Unconformities - correct answers Select the geologic formations that can trap petroleum and natural gas. Section - correct answers The main tool used to visualize and interpret subsurface geology in the exploration for fossil fuels. Formation by weathering Low-Temperature precipitation Mechanical concentration Weatherting enrichment - correct answers Select the surficial processes that can form a mineral deposit. Impermeable - correct answers Anticlines, faults, and salt domes can serve as places where oil and natural gas become trapped. What they all have in common is that there is ____ rock above the oil and natural gas; otherwise, it would have escaped. Shale - correct answers Organic mud that accumulates in shallow seas gives rise to _____, a type of sedimentary rock that forms oil and natural gas when buried and heated. Electricity - correct answers After it is transported by train, truck, cargo ship, conveyor belt, or in a pipeline, coal in the US is used primarily for the generation of _____; it is burned to heat water, which turns into steam and turns a turbine. Portable Aesthetically pleasing Easily extracted Cheap - correct answers Select the characteristics of an ideal energy source. Insoluble to water Lacking faults and fractures - correct answers Rocks beneath and adjacent to potential dam construction sites must be strong and ____