Hole: U1338B 
Expedition: 321
Location: Equatorial Pacific Sediment Mound (NE Equatorial Pacific) 
Latitude: 2¡ 30.4692 ' N 
Longitude: 117¡ 58.1736 ' W
Logging date: June 9-11, 2009 
Sea floor depth (driller's): 4209.9 m DRF 
Sea floor depth (logger's): 4207.5 m WRF (DIT/HLDS/GPIT/HNGS downlog) 
Sea floor depth (logger's): 4207.5 m WRF (VSI/SGT uplog) 
Sea floor depth (logger's): 4208.7 m WRF (FMS/DSI/GPIT/HNGS pass 2) 
Total penetration:Ê 416.1 m DSF 
Total core recovered: 417.34 m (101 % of cored section) 
Oldest sediment recovered: Lower Miocene
Lithologies: Carbonate muds, nannofossil oozes, diatom oozes, laminated and bioturbated muds

VSP STACKS SUMMARY LISTING (one-way transit times)

Gun and Hydrophone Coordinates:

Gun Azimuth: 30 deg
Gun Offset:  49 m
Gun Depth (from Schlumberger Zero): 18.3 m
Hydrophone Depth (from Schlumberger Zero): 20.3 m
Seismic Reference Depth (from Schlumberger Zero): 11.3 m
m

Other VSP constants:

Surface Velocity: 1524 m/s

  DEPTH_WSF   1WTT        1WTT_CORR
  m           s           s

  190.104     2.91422     2.91422
  205.049     2.92432     2.92432
  220.061     2.93328     2.93328
  234.166     2.94134     2.94134
  250.056     2.61341     2.61341
  280.117     2.96914     2.96914
  310.081     2.98506     2.98506
  325.009     2.99425     2.99425
  340.119     2.99743     2.99743
  355.100     3.00669     3.00669
  370.076     3.01462     3.01462
  385.057     3.02253     3.02253
  400.058     3.03080     3.03080
  415.200     3.03886     3.03886