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GLG 101 Ch 23

Vocab

QuestionAnswer
Cap rock an impermeable layer that constitutes and oil trap by preventing mobile oil and gas from escaping at the surface
Disseminated deposit any economic mineral deposit in which the desired mineral occurs as scattered particles in the rock but in sufficient quantity to make the deposit an ore
Fossil fuel general term for any hydrocarbon that may be used as fuel, including coal, oil, natural gas, bitumen for tar sands, and shale oil
Geothermal energy natural steam used for power generation
Hydroelectric power electricity generated by falling water that is used to drive turbines
Hydrothermal solution the hot, watery solution that escapes from a mass of magma during the latter stages of crystallization
Mineral resource all discovered and undiscovered deposits of a useful mineral that can be extracted now or at some time in the future
Nonmetallic mineral resource a mineral resource that is not a fuel or processed for the metals it contains
Nonrenewable resource a mineral resource that forms or accumulates over such long time span that it must be considered as fixe in total quantity
Nuclear fission the splitting of atomic nuclei into smaller nuclei, causing neutrons to be emitted and heat energy to be released
Oil trap a set of impermeable layers and/or geologic structures that result in the accumulation of oil and gas
Ore usually a useful metallic (and certain non-metallic) mineral that can be mined at a profit
Pegmatite a very coarse-grained igneous rock commonly found as dike associated with a large mass of plutonic rock that has smaller crystals
Placer deposit formed when heavy minerals are mechanically concentrated by currents, most commonly streams and waves
Renewable resource a resource that is virtually inexhaustible or that can be replenished over relatively short time spans
Reserve already identified deposits from which minerals can be extracted profitably
Reservoir rock the porous, permeable portion of any oil trap that yields oil and gas
Secondary enrichment the concentration of minor amounts of metals that are scattered through unweathered rock into economically valuable concentrations by weathering processes
Vein deposit a mineral filling a fracture or fault in a h
Created by: thelovelylisa
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