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True depth - oceanic crust example

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Rob Butler

Part of the Shear Zone channel. From a seismic profile of oceanic crust, this is a simple illustration of using measurements of seismic travel time and assigned seismic velocities to estimate the vertical thickness of units (in metres/kilometres). Original image from offshore Pakistan, provided by Gerome Calves via the Virtual Seismic Atlas.

posted by roussillon2f