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Ch.22 (Final)
Resources
| Question | Answer |
|---|---|
| Gold is found in ____. | placer deposits |
| Chemically, oil and gas are both ____________. | hydrocarbons |
| The United States has enormous quantities of oil in __. | oil shale |
| ______ is the initial stage in the development of coal. | Peat |
| If a drilled well encounters both oil and natural gas. | the gas will naturally be floating on top of the oil |
| Most hydrothermal ores are metallic __________. | sulfides |
| _______ is an unusual mixture of ice and methane | Gas hydrate |
| ____ resources enable us to create the metals used in our world today. | Metallic |
| In terms of plate tectonics, future oil reservoirs form most easily in areas ____. | where ocean basins are closing |
| A _____ is the term used to describe the portion of a resource that has been discovered or inferred with some degree of certainty and can be extracted for a profit. | reserve |
| This type of geologic resource provides the power that drives the modern world. | energy |
| Petroleum, natural gas and propane are all considered _____ because they formed from the buried remains of plants and animals that lived millions of years ago. | fossil fuels |
| Some geologic resources are ____, that is, they are replenished by natural processes fast enough that people can use them continuously. | renewable |
| Most geologic resources are ____, they form very slowly and are extracted much faster than nature replaces them. | nonrenewable |
| The recoverable reserve for coal in the United States is _______. | 270 billion tons |
| Economic deposits of petroleum require _____. | source rock, reservoir rock, and trap |
| There are two basic forms of energy categories, ____ energy is stored energy | potential |
| New oil is born where _____. | dead organic matter is sealed in an oxygen-deprived burial |
| The _____ resources include building stones and road gravels | nonmetallic |
| A ____ is the term used to describe the total amount of any given geologic material of potential economic interest, whether discovered or not. | resource |
| Counting tar sands, _______ has the second largest oil reserves in the world. | Canada |
| The two largest oil fields in the United States are in __________. | Texas and Alaska |
| Coal is the altered remains of ancient ____________. | terrestrial plants |
| Once oil is formed it must accumulate in concentrations that can be drilled and pumped, these concentrations are called ________. | traps |
| Which of the following is a renewable resource? | wind |
| Although technically not coal, the first material to form in the coal cycle is ___. | peat |
| The ore-forming process of ______ occurs as early-forming minerals settle to the bottom of a cooling magma. | crystal settling |
| Geological resources sustain life, and the most fundamental of these resources are _____. | soil and water |
| Evaporite deposits are important sources of ___. | gypsum and halite |
| The petroleum window is the depth between ______ to ______ feet through which sapropel must pass to transform into oil. | 7,500; 15,000 |
| Which sequence of coal is ordered from lowest to highest energy content? | lignite, bituminous, anthracite |
| At the current rate of consumption, United States recoverable coal reserves will be exhausted in ______ years. | 250 |
| Which of the following lists contains only fossil fuels? | coal, oil, natural gas |
| Pencil lead is made of _____. | graphite |
Created by:
Thomas.Siu
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