asphalt rock
McGraw-Hill Science & Technology Dictionary:
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asphalt rock
(′a′sfölt ′räk)
(geology) Natural asphalt-containing sandstone or dolomite. Also known as asphalt stone; bituminous rock; rock asphalt.
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Porous rock such as sandstone or limestone that has become impregnated with natural asphalt through a geological process.
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McGraw-Hill Science & Technology Dictionary
McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.
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