Table 2 The matrix shows the permeability ratio between the sandy gravels of the overlying versus the underlying layers measured in the grain size fractions of the Tortugeros beachrock.

From: Soft-sediment deformation structures in Holocene coastal gravel deposits reveal two 1.8–2.0 ka old Mw > 7.0 earthquakes in southern-central Hispaniola

  1. The ratios for which the SSDS might be formed25 are shown in bold, and the ratios of the respective more frequent fractions are remarked in red.
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