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单词 ripple drift
释义

Definition of ripple drift in English:

ripple drift

noun
Geology
  • (The appearance of) crosswise structure in a system of ripple marks on sedimentary rock, providing an indication of prevailing currents or flows at the time of deposition.

Origin

Mid 19th century.

Definition of ripple drift in US English:

ripple drift

noun
Geology
  • (The appearance of) crosswise structure in a system of ripple marks on sedimentary rock, providing an indication of prevailing currents or flows at the time of deposition.

Origin

Mid 19th century.

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