A 30 million year cycle in Arctic volcanism?

Johnson, G. Leonard; Rich, James E.

doi:10.1016/0264-3707(86)90035-9

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2021

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Cited by 10 publications

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“…Together with a ~30-My period of magnetic field reversals ( 32 ), this possibly reflects episodic release of plume material at the core-mantle boundary driven by a “top-down” episodicity of seafloor spreading rates and subduction dynamics. Deep Earth pulsing at a period of ~30 My is further supported by 30-My cycles in Mesozoic-Cenozoic volcanism found in the circum-Arctic region ( 33 ).…”

Section: Discussionmentioning

confidence: 83%