不过,较近的研究表明,这个热点本身可能在向南移动(Tarduno et al., 2003)。Sharp and Clague (2006)对从南部和中部天皇海山链中的火山采得的岩石做了氩-氩测年,结果显示,海山链的方向改变开始于约5000万年前,一直持续到4200万年前,也即太平洋板块运动方向的改变的发生时间可能长达800万年以上。这些都表明,夏威夷-天皇海山链的形成过程,可能要比教科书上的静止热点的解释更为复杂。[1]
参见
明治海底山
新英格兰海山链
科迪亚克-博威海山链
夏威夷火山的演化
板块构造论
地壳均衡说
海沟
參考資料
^
G. R. Foulger; Don L. Anderson. The Emperor and Hawaiian Volcanic Chains: How well do they fit the plume hypothesis?. MantlePlumes.org. [April 1, 2009].
参考文献
Tarduno, John A., Robert A. Duncan, David W. Scholl, Rory D. Cottrell, Bernhard Steinberger, Thorvaldur Thordarson, Bryan C. Kerr, Clive R. Neal, Fred A. Frey, Masayuki Torii, and Claire Carvallo. 2003. The Emperor Seamounts: Southward Motion of the Hawaiian Hotspot Plume in Earth's Mantle. Science, July 24, 2003; 10.1126/science.1086442 (Science Express Research Articles).
Warren D. Sharp and David A. Clague, 50-Ma initiation of Hawaiian-Emperor bend records major change in Pacific Plate motion. Science, v. 313, p. 1281-1284 (2006).
Ken Rubin, "The Formation of the Hawaiian Islands"
USGS, "The long trail of the Hawaiian hotspot"
National Geographic News: John Roach, "Hot Spot That Spawned Hawaii Was on the Move, Study Finds": August 14, 2003
外部链接
Evolution of Hawaiian Volcanoes from the USGS.
The Formation of the Hawaiian Islands with tables and diagrams illustrating the progressive age of the volcanoes.
Hot Spots and Mantle Plumes
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夏威夷火山议题 (列表(英语:List of volcanoes in the Hawaiian – Emperor seamount chain))