Interactions Between Ridges and Plumes

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Science  16 Nov 2001:
Vol. 294, Issue 5546, pp. 1472-1473
DOI: 10.1126/science.1067486

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In the last 30 years, geologists have made much progress on understanding slabs, lithosphere, and mid-ocean ridges but mantle plumes remain enigmatic. In their Perspective, Montagner and Ritsema chart recent progress, largely based on seismic anisotropy, toward understanding how such plumes interact with mid-ocean ridges. Existing data are insufficient, however, to determine whether mantle plumes act independently from plate tectonics. The authors call for ocean bottom seismic stations to settle this question.