Seabed Assessment Program 



Plate Tectonics and Metallogenesis Studies 



1. RV THOMAS WASHINGTON (SIO) Cruise INDOPAC 

 Legs 2 and 3 



2. May 5 to June 19, 1976, western tropical North Pacific, 

 MS-059, 050, 061, 095, 096, 097, 131, 132 



3. NODC Reference No. RE391227 



4. J. L. Reid (SIO), Grant No. OCE 71-04197 



5. Program: IDOE SA-Plate Tectonics Metallogenesis 

 Geological/Geophysical: Bathymetry 6,400 nmi 

 Biology: Zooplankton 12, neuston 10, nekton 1 

 Meteorological: Standard weather observations 56 

 Physical/Chemical Oceanography: Discrete temperatures 

 and salinities 3, classical oceanographic stations 53, CTDs 

 55, XBTs 340, oxygen, phosphates, phosphorous, nitrates, 

 nitrites, silicates 53 each 



Galapagos Spreading Center 



1. RV MELVILLE (SIO) Cruise PLEIADES Leg II 



2. June 13 to July 11, 1976, eastern equatorial Pacific, 

 MS-009 



3. NODC Reference No. R391198 



4. J. B. Corliss (OSU), J. P. von Herzen (WHOI), Grant No. 

 NSF IDE76-00389 



5. Program: IDOE SA-Galapagos Rift Hydrothermal 

 Study 



Geological/Geophysical: Dredges 4, grabs 3, cores 46, bot- 

 tom photos 10, sea floor temperature profiles 9, heat flow 

 profiles 22, bathymetry 1,320 nmi, seismic refraction 68, 

 paleontology 46 



Physical/Chemical Oceanography: Discrete temperatures, 

 salinities, surface 21, near sea floor 9, oxygen, phosphates, 

 phosphorous, nitrates, nitrites, silicates, alkalinity, pH, 

 trace elements, isotopes, dissolved gases 21 each 



Nazca Plate 



1. RV WECOMA (OSU) Cruise W7510-B Leg I 



2. October 28 - 30, 1975, eastern North Pacific, MS-157 



3. NODC Reference No. R391578 



4. L. D. Kulm (OSU), Grant No. NSF IDO71-04208 A08 



5. Program: IDOE SA-Nazca Plate 

 Geology/Geophysics: Cores 15 



SEATAR 



1. RV ATLANTIS-II (WHOI) Cruise 93 Legs 12 & 13 



2. September 2 to October 25, 1976, Banda Sea, MS-059, 

 050 



3. NODC Reference No. R391656 



4. C. Bowin (WHOI), Grant No. NSF OCE75-19150 



5. Program: IDOE SA-Metallogenesis-SEATAR 

 Geology/Geophysics: Dredge 1, grabs 3, cores 9, bathymetry 

 8,223 nmi, seismic refraction 1,287 nmi, seismic reflection 

 3,751 nmi, gravity 8,234 nmi, magnetism 6,212 nmi, 

 geothermy 12 



Manganese Nodule Study 



1. RV MELVILLE (SIO) Cruise PLEIADES Leg I 



2. April 24 to June 7, 1975, equatorial eastern Pacific, 

 MS-011, 310, 009, 010 



3. NODC Reference No. R391287 



4. P. F. Lonsdale (SIO), R. Weiss (SIO), Grant No. NSF' 

 OCE76-04724 



5. Program: IDOE 'SA-Manganese Nodules 

 Geology/Geophysics: Dredges 2, cores 16, bottom photos, 

 seismic reflection 5,000 nmi, magnetism 3,000 nmi, physical 

 analysis of sediments, chemical analysis, paleontology 15 

 each 



Physical/Chemical Oceanography: Current meters 13, dis- 

 crete temperatures and salinities at surface and near sea 

 floor 50, continuous temperature and salinity 10 days, clas- 

 sical oceanographic stations 2, CTDs 15, XBTs 40, optics 

 10, oxygen, phosphates, nitrates, silicates, dissolved gases 

 5 each, trace elements 4 



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