The boundary between the crust and mantle is marked by a seismic-velocity discontinuity called

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Phoebe Aguirre

Physics

22 May, 07:05

The boundary between the crust and mantle is marked by a seismic-velocity discontinuity called

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Charlize Bowers · Answer 1

The boundary between the crust and mantle is marked by a seismic-velocity discontinuity is called Mohorovicic discontinuity.

Mohorovicic discontinuity was discovered by Andrija Mohorovicic in 1909 who was a Croatian seismologist. He realized that the velocity of a seismic wave is related to the material's density where it is moving through. He decoded that the acceleration of the seismic waves that are observed within outer shell of the earth is a compositional change. Thus, the acceleration should be caused by a material of higher density.

Desmond · Answer 2

Mohorovicic discontinuity is your answer