• SIO OCONOSTOTA Cruise EXITO II, March to April 1973, 

 37 days 



• NODC Record No. 08672, Northeast Pacific 



• Reichle, M. (NSF IDOE) Marsden Squares 84, 120 



• NSF Grant No. GX-31704, Nazca Plate 



Geology/Geophysics Stations or samples 



magnetic (miles) 4000 



bathymetry — narrow beam (miles) 6000 



. SIO OCONOSTOTA Cruise EXITO II, April to May 1973, 

 12 days 



• NODC Record No. 08256, Northeast Pacific 



• Sharman, G. (NSF IDOE) Marsden Squares 84, 120 



• NSF Grant No. GX-31704, Nazca Plate 



Geology/Geophysics Stations or samples 



dredge/grab samples 1 



bathymetry — narrow beam (miles) 100 



• SIO OCONOSTOTA Cruise EXITO II, May 1973, 12 days 

 . NODC Record No. 08257, Northeast Pacific 



• Lawyer, L. A. (NSF IDOE) Marsden Squares 83, 84 

 . NSF Grant No. GX-31704, Nazca Plate 



SIO OCONOSTOTA Cruise EXITO II, May 1973, 9 days 

 NODC Record No. 08671, Northeast Pacific 

 Bruland, K. W. (NSF IDOE) Marsden Squares 84, 120 

 NSF Grant No. GX-31704, Nazca Plate 



Geology /Geophysics 



radioactivity/cores 



-lead 210 



— radium 226 



—radium 228 

 bottom radioactivity 

 chemical analysis of sediment 

 geochronology 



Stations or samples 

 33 



47 



