Figure 3. Two-way traveltime vs. depth below seafloor calculated from compressional velocities uncorrected for in situ stress derived from physical properties measurements (0-1066.4 mbsf) in Hole 999B. The resultant two-way traveltime vs. depth below seafloor is used to estimate depths and average velocities of seismic units identified in two-way traveltime on MCS Line CT1-12a in Figure 2.