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17 Cards in this Set
- Front
- Back
Describes decompostion that occurs without using, or in the absence of, oxygen.
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Anaerobic (333)
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The hardest of naturally occuring coals.
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Anthracite (333)
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A form of coal that is softer than anthracite but harder than lignite.
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Bituminous (333)
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Methane associated with, and extracted from, coal deposits.
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Coal-Bed Methane (326)
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Hydrocarbon fuels formed from organic matter.
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Fossil Fuel (318)
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Any process by which coal is converted to a gaseous hydrocarbon fuel.
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Gasification (334)
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Deep aquifers under unusally high pressure, exceeding normal hydrostatic (fluid) pressure.
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Geopressurized Zones (327)
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A waxy solid hydrocarbon in oil shale.
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Kerogen (339)
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The softest of the coals.
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Lignite (333)
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Any process by which coal is converted into a liquid hydrocarbon fuel.
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Liquefaction (334)
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A crystalline solid of natural gas and water molecules, found in arctic regions and marine sediments.
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Methane Hydrate (327)
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Gaseous hydrocarbons, especially methane.
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Natural Gas (319)
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Not being replenished or formed at any significant rate on a human timescale.
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Nonrenewable (321)
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Any of various liquid hydrocarbon compounds.
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Oil (319)
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A sedimenary rock containing the waxy solid hydrocarbon kerogen.
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Oil Shale (339)
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Liquid hydrocarbons derived from organic matter and used as fuel.
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Petroleum (319)
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Sedimentary rock, usually sand, conttaining thick, tarlike, heavy oils.
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Tar Sand (340)
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