PerspectiveGEOSCIENCE

Two Views of the Deep Mantle

Science  31 Jul 1998:
Vol. 281, Issue 5377, pp. 655-656
DOI: 10.1126/science.281.5377.655

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Summary

The region of Earth's deepest mantle, the core-mantle boundary, is poorly understood and the subject of continuing debate. The best hope for understanding it is seismology, with researchers attempting to unfold the paths of seismic waves traveling through the boundary region and thus infer its physical properties. In their Perspective, Tromp and Dziewonski discuss recent studies of the lower mantle and the core-mantle boundary, with particular focus on two different ways of looking the problem.

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