单词	seafloor spreading
释义	seafloor spreading noun : the divergence at mid-ocean ridges of the tectonic plates underlying the oceans that is due to upwelling from the earth's interior of magma which solidifies and adds to the spreading plates Example Sentences Recent Examples on the Web Movement within it contributes to earthquakes, volcanos, and seafloor spreading. Manasee Wagh, Popular Mechanics, 14 Mar. 2022 Dalton and her colleagues added to the picture by assembling a complementary high-resolution record for the Pacific Ocean, where seafloor spreading is faster and more complex. Paul Voosen, Science | AAAS, 22 Dec. 2020 Instead, they are forged through what Sager refers to as an augmented type of seafloor spreading. Robin George Andrews, National Geographic, 15 July 2019 Even after the seafloor spreading discovery, some Expanding Earth scientists stuck to their guns. Meg Neal, Popular Mechanics, 3 Aug. 2018 Soon after, an explosion in oceanic exploration helped flesh out the theory of seafloor spreading, eventually leading to the landmark 1963 paper that vindicated Wegener's original theory—with one major adjustment. Matt Blitz, Popular Mechanics, 18 Apr. 2017 Word History First Known Use 1969, in the meaning defined above
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