| 单词 | ocean-floor spreading |
| 释义 | > as lemmasocean-floor spreading ocean-floor spreading n. Geology = sea-floor spreading n. at sea-floor n. 2. ΘΚΠ the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [noun] > upwelling of magma magmatism1952 sea-floor spreading1961 pulse1964 ocean-floor spreading1965 plume1967 1965 Science 22 Oct. 483/3 Magnetic anomalies..might be explained in terms of ocean-floor spreading and periodic reversals of the earth's magnetic field. 1976 Philos. Trans. (Royal Soc.) A. 281 271 They conclude that the Phoenix plate was generated by ocean floor spreading some 40° south of its current latitude. 2000 A. Milne Doomsday vi. 63 The increase in surface area of Earth by ocean-floor spreading is compensated for at the continental margin trenches and mid-ocean ridges, where one plate is carried—subducted—beneath another. < as lemmas |
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