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seafloor spreading, caused by an upwelling of magma, has led to episodes of global warming in the geologic past. the spread rate has slowed down in last 19 million years, but could gather momentum

United statesHong kongNew south walesPacific oceanTimothy herbertColleena daltonBen matherDouglas wilsonUniversity of californiaBrown universityMarine science instituteUniversity of sydney school geosciencesMiocene climatic optimumDown to earthGeophysical research lettersIndian oceans