DSDP Vol. 54 Table of Contents

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	DSDP Volume LIV Table of Contents doi:10.2973/dsdp.proc.54.1980 Publication date: May 2007 Preliminary Pages Part I. Introduction 1. Introduction: Objectives, Strategy, Operations, Shipboard Analytical Procedures, and Explanatory Notes of Deep Sea Drilling Project Leg 54 Bruce R. Rosendahl, Roger Hekinian, James H. Natland, Nick Warren, Nikolai Petersen, William Roggenthen, and Louis Briqueu doi:10.2973/dsdp.proc.54.101.1980 Part II. Results of Site Survey Geophysical Studies, Deep-Tow Studies, and Dredging 2. Summary of the Geology and Geophysics of the East Pacific Rise in the Vicinity of the Siqueiros Fracture Zone Bruce R. Rosendahl and Leroy M. Dorman doi:10.2973/dsdp.proc.54.102.1980 3. Geophysical Measurements across the East Pacific Rise in the Vicinity of the Siqueiros Fracture Zone (Survey Area Pt-4) William J. Ludwig and Philip D. Rabinowitz doi:10.2973/dsdp.proc.54.103.1980 4. Deep-Tow Observations at the East Pacific Rise, 8°45'N, and Some Interpretations Peter Lonsdale and F.N. Spiess doi:10.2973/dsdp.proc.54.104.1980 5. Trace Element and Isotopic Evidence for Magma Mixing in Alkalic and Transitional Basalts Near the East Pacific Rise At 8°N Rodey Batiza and Jeffrey R. Johnson doi:10.2973/dsdp.proc.54.105.1980 6. Picritic Basalts from the Siqueiros Transform Fault Ed L. Schrader, B.R. Rosendahl, William J. Furbish, and George Meadows doi:10.2973/dsdp.proc.54.106.1980 Part III. Site Reports 7. Sites 419–423 and 426–429: Ocean Crust Drilling on the East Pacific Rise and in the Siqueiros Fracture Zone The Shipboard and Onshore Scientific Parties doi:10.2973/dsdp.proc.54.107.1980 8. Sites 424 and 425: Geothermal Drilling on the Galapagos Rift The Shipboard and Onshore Scientific Parties doi:10.2973/dsdp.proc.54.108.1980 Part IV. Sedimentological Studies 9. Minerals of the Clay Fraction in Pliocene-Quaternary Sediments of the East Equatorial Pacific M.A. Rateev, P.P. Timofeev, and N.V. Rengarten doi:10.2973/dsdp.proc.54.109.1980 10. Geochemistry and Carbonate Petrology of Selected Sediment Samples from Deep Sea Drilling Project Leg 54, Eastern Pacific Ed L. Schrader, W.J. Furbish, David Mattey, and J.A. May doi:10.2973/dsdp.proc.54.110.1980 11. Secondarily Modified Sediments of the Eastern Pacific: Major-Element Chemistry of Sites 420, 424, and 425, Deep Sea Drilling Project Leg 54 Thomas W. Donnelly doi:10.2973/dsdp.proc.54.111.1980 12. Sedimentology, Mineralogy, and Geochemistry of Hydrothermal Deposits from Holes 424, 424A, 424B, and 424C (Galapagos Spreading Center) M. Hoffert, A. Person, C. Courtois, A.M. Karpoff, and D. Trauth doi:10.2973/dsdp.proc.54.112.1980 13. Composition and Origin of Sediments Recovered by Deep Drilling of Sediment Mounds, Galapagos Spreading Center Jack Dymond, John B. Corliss, Richard Cobler, Charlotte Meredith Muratli, Christin Chou, and Roberta Conard doi:10.2973/dsdp.proc.54.113.1980 14. Chemistry of Interstitial Waters Sampled During Leg 54 Susan E. Humphris and Craig M. Hallman doi:10.2973/dsdp.proc.54.114.1980 15. Ocean Crust Geothermal Processes: A Perspective from the Vantage of Leg 54 Drilling Roger Hekinian, Bruce R. Rosendahl, and James H. Natland doi:10.2973/dsdp.proc.54.115.1980 Part V. Paleontological Studies 16. Pliocene-Pleistocene Radiolarians from the East Pacific Rise and the Galapagos Spreading Center, Deep Sea Drilling Project Leg 54 Robert M. Goll doi:10.2973/dsdp.proc.54.116.1980 17. Upper Pliocene and Quaternary Diatom Biostratigraphy of Deep Sea Drilling Project Leg 54, Tropical Eastern Pacific John A. Barron doi:10.2973/dsdp.proc.54.117.1980 18. Late Neogene Planktonic Foraminifers: East Pacific Rise and Galapagos Spreading Center, Deep Sea Drilling Project Leg 54 George W. Lynts doi:10.2973/dsdp.proc.54.118.1980 19. Planktonic Foraminiferal Biostratigraphy of Pliocene and Quaternary Deposits of the East Pacific Rise and the Galapagos Spreading Center, Deep Sea Drilling Project Leg 54 V.A. Krasheninnikov doi:10.2973/dsdp.proc.54.119.1980 20. Coccolith Stratigraphy, Tropical Eastern Pacific Ocean, Deep Sea Drilling Project Leg 54 David Bukry doi:10.2973/dsdp.proc.54.120.1980 21. Silicoflagellate Biostratigraphy and Paleoecology in the Eastern Equatorial Pacific, Deep Sea Drilling Project Leg 54 David Bukry doi:10.2973/dsdp.proc.54.121.1980 22. Opal Phytoliths from the Tropical Eastern Pacific Ocean, Deep Sea Drilling Project Leg 54 David Bukry doi:10.2973/dsdp.proc.54.122.1980 Part VI. Petrology, Mineralogy, and Geochemistry of Igneous Rocks 23. Drilling Difficulties in Basement During Deep Sea Drilling Project Leg 54 James H. Natland and Bruce R. Rosendahl doi:10.2973/dsdp.proc.54.123.1980 24. Crystal Morphologies in Basalts Dredged and Drilled from the East Pacific Rise Near 9°N and the Siqueiros Fracture Zone James H. Natland, with an Appendix by Colin H. Donaldson and James H. Natland doi:10.2973/dsdp.proc.54.124.1980 25. Comparison of Geochemistry of Basalts from the East Pacific Rise, OCP Ridge, and Siqueiros Fracture Zone, Deep Sea Drilling Project Leg 54 Susan E. Humphris, Robert N. Thompson, Ian L. Gibson, and Giselle F. Marriner doi:10.2973/dsdp.proc.54.125.1980 26. Silicate Mineralogy of Basalts from the East Pacific Rise, OCP Ridge, and Siqueiros Fracture Zone: Deep Sea Drilling Project, Leg 54 R.N. Thompson and Susan E. Humphris doi:10.2973/dsdp.proc.54.126.1980 27. Petrology and Geochemistry of Basalts from Deep Sea Drilling Project Leg 54 R.K. Srivastava, R. Emmermann, and H. Puchelt doi:10.2973/dsdp.proc.54.127.1980 28. Basalts from the East Pacific Rise Near 9°N Drilled on Deep Sea Drilling Project Leg 54 Compared with Marginal-Basin and Ocean-Island Basalts Y.I. Dmitriev doi:10.2973/dsdp.proc.54.128.1980 29. Compositions of Basaltic Glasses from the East Pacific Rise and Siqueiros Fracture Zone, Near 9°N James H. Natland and William G. Melson doi:10.2973/dsdp.proc.54.129.1980 30. East Pacific Rise, Galapagos Spreading Center and Siqueiros Fracture Zone, Deep Sea Drilling Project Leg 54: Hygromagmaphile Elements—a Comparison with the North Atlantic J.L. Joron, L. Briqueu, H. Bougault, and M. Treuil doi:10.2973/dsdp.proc.54.130.1980 31. Petrology of Basalt Drilled from the Galapagos Spreading Center, Deep Sea Drilling Project Leg 54 R.V. Fodor, J.L. Berkley, K. Keil, J.W. Hustler, M.-S. Ma, and R.A. Schmitt doi:10.2973/dsdp.proc.54.131.1980 32. Petrology of Basalt Dredged from the Central Axis of the Galapagos Spreading Center R.V. Fodor and Bruce R. Rosendahl doi:10.2973/dsdp.proc.54.132.1980 33. Geochemistry and Mineralogy of Basalts from the Galapagos Spreading Center, Deep Sea Drilling Project Leg 54 David P. Mattey and I.D. Muir doi:10.2973/dsdp.proc.54.133.1980 34. Basalt Weathering on the East Pacific Rise and the Galapagos Spreading Center, Deep Sea Drilling Project Leg 54 Susan E. Humphris, William G. Melson, and Robert N. Thompson doi:10.2973/dsdp.proc.54.134.1980 35. Mineralogy and Geochemistry of Ore Minerals from Basalts Related to Spreading Centers of the Eastern Pacific with Speculations on Ore-Forming Processes Ed L. Schrader and W.J. Furbish doi:10.2973/dsdp.proc.54.135.1980 36. Secondary Minerals of Deuteric and Diagenetic Origin Filling Voids and Encrusting Surfaces on Basalts from Deep Sea Drilling Project Leg 54 William J. Furbish and Ed L. Schrader doi:10.2973/dsdp.proc.54.136.1980 37. Basement Rocks from the East Pacific Rise Near 9°N Compared With Other Ocean-Floor Volcanic Provinces R. Hekinian and J.M. Morel doi:10.2973/dsdp.proc.54.137.1980 38. Effect of Axial Magma Chambers Beneath Spreading Centers on the Compositions of Basaltic Rocks James H. Natland doi:10.2973/dsdp.proc.54.138.1980 Part VII. Physical Properties and Paleomagnetism of Igneous Rocks 39. Velocity-Density Systematics for Basalts Drilled on the East Pacific Rise and Galapagos Rift during Deep Sea Drilling Leg 54 Nick Warren and Bruce R. Rosendahl doi:10.2973/dsdp.proc.54.139.1980 40. Rock- and Paleomagnetism of Deep Sea Drilling Project Leg 54 Basalts—East Pacific Rise and Galapagos Rift N. Petersen and W.M. Roggenthen doi:10.2973/dsdp.proc.54.140.1980 Part VIII. Ages of Sediments 41. Ages of Sediments Recovered from the Deep Sea Drilling Project Pacific Legs 5 through 9, 16 through 21, and 28 through 35 Hans M. Bolli doi:10.2973/dsdp.proc.54.141.1980 42. The Ages of Sediments Recovered from DSDP Legs 1–4, 10–15, and 36–53 (Atlantic, Gulf of Mexico, Caribbean, Mediterranean, and Black Sea) Hans M. Bolli doi:10.2973/dsdp.proc.54.142.1980 (This paper was first printed as: Bolli, H.M., 1979. The ages of sediments recovered from DSDP Legs 1–4, 10–15, and 36–53 (Atlantic, Gulf of Mexico, Caribbean, Mediterranean, and Black Sea). In Donnelly, T., Francheteau, J, Bryan, W., Robinson, P., Flower, M., Salisbury, M., et al., Init. Repts. DSDP, 51/52/53: Washington, DC (U.S. Govt. Printing Office), 1525–1534. doi:10.2973/dsdp.proc.515253.173.1980 It is being reprinted in the present volume to improve the size and sequence of Figures 2–6 and to show only pertinent locations in Figure 1.) Part IX. Appendix Chemical Composition of Deep Sea Sediments—Sites 9 through 425, Legs 2 through 54, Deep Sea Drilling Project Thomas W. Donnelly doi:10.2973/dsdp.proc.54.app.1980 Index Back-Pocket Foldout Chapter 2: Plate 1. Bathymetry of the East Pacific Rise and Siqueiros Fracture Zone, 8°10'N Contoured by B.R. Rosendahl DSDP Data and Samples Data: DSDP legacy data can be accessed through the Integrated Ocean Drilling Program (IODP) data portal. Samples: DSDP cores are housed at the Integrated Ocean Drilling Program (IODP) repositories and can be sampled by research scientists, educators, museums, and outreach institutions. Core Images: Shipboard core descriptions and core photos are included in the site chapters. The entire set of digitized core images produced by scanning the original negatives is available in PDF in the cores directory. Citations Citation information about scientific publications related to this and other DSDP legs is available in the Ocean Drilling Citation Database. Map DSDP Map (Legs 1–96)