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diapir
[ dahy-uh-peer ]
noun
, Geology.
- a dome, or anticline, the upper regions of which have been ruptured and penetrated by material squeezed up from below. Compare plume ( def 10 ), salt dome.
diapir
/ ˈdaɪəˌpɪə /
noun
- geology an anticlinal fold in which the brittle overlying rock has been pierced by material, such as salt, from beneath
diapir
/ dī′ə-pîr′ /
- A fold or dome, such as an anticline, in which the upper strata of sediment or rock have been ruptured by the upward movement of more plastic rock, such as a body of salt, gypsum, or lava.
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Other Words From
- di·a·pir·ic [dahy-, uh, -, pir, -ik], adjective
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Word History and Origins
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Word History and Origins
Origin of diapir1
C20: from Greek diapeirainein to make holes through, pierce
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