Figure F43. Traveltime-depth conversion curves obtained from the Hole U1320A check shot survey and vertical seismic profile (VSP), and predrill time-depth prediction (see Equation 1 in “Background and objectives” in the “Site U1319” chapter). All measured data are referenced to the seafloor assuming a velocity of 1490 m/s through the water column. The predicted two-way travel times are greater the check shots above 200 mbsf.
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