IODP logging contractor: USIO/LDEO 
Hole: U1337A 
Expedition: 321
Location: Equatorial Pacific Sediment Mound (NE Equatorial Pacific) 
Latitude: 3¡ 50.009 ' N 
Longitude: 123¡12.352 ' W
Logging date: May 23-25, 2009 
Sea floor depth (driller's): 4472 m DRF 
Sea floor depth (logger's): 4442.5 m WRF (DIT/HLDS/GPIT/HNGS) 
Sea floor depth (logger's): 4474 m WRF (VSI/SGT) 
Sea floor depth (logger's): 4467 m WRF (FMS/DSI/GPIT/HNGS) 
Total penetration:Ê 449.8 m DSF 
Total core recovered: 421.39 m (94 % of cored section) 
Oldest sediment recovered: Uppermost Oligocene 
Lithology:Ê 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


Other VSP constants:

Surface Velocity: 1524 m/s

  DEPTH_WSF   1WTT        1WTT_CORR
  m           s           s
  214.068     3.11002     3.11595
  229.097     3.11844     3.11844
  244.040     3.12798     3.13392
  259.051     3.13610     3.13610
  274.096     3.14581     3.15174
  288.978     3.15448     3.16042
  303.743     3.16275     3.16868
  318.660     3.17155     3.17155
  334.078     3.18003     3.18003
  348.879     3.18869     3.18869
  364.081     3.19673     3.20267
  379.115     3.20503     3.21097
  393.951     3.21282     3.21876
  409.000     3.22058     3.22652
  424.083     3.22809     3.23402
  438.802     3.23506     3.24100