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Poorly consolidated water saturated materials

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waves. Poorly consolidated water-saturated materials generally have velocities slightly greater than that of water, and the water table is often a prominent seismic interface. Weathering normally increases porosity, and therefore reduces rock velocities. This fact underlies the rippability ranges shown in Figure 1.1. Few fresh, consolidated rocks have velocities of less than about 2200 ms 1, and rocks that are rippable are generally also at least partly weathered.
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