Scientific Results Contents

Reproduced online: 5 February 2007
ISSN 1096-7451
doi:10.2973/odp.proc.sr.135.1994

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	1. Introduction to the Scientific Results of Leg 135: Lau Basin-Tonga Ridge Drilling Transect J.W. Hawkins, L.M. Parson, and J.F. Allan doi:10.2973/odp.proc.sr.135.165.1994

	2. Tectonics and Sedimentation in the Lau Basin (Southwest Pacific) L.M. Parson, R.G. Rothwell, and C.J. MacLeod doi:10.2973/odp.proc.sr.135.111.1994 3. Variations in Arc Volcanism and Sedimentation Related to Rifting of the Lau Basin (Southwest Pacific) P.D. Clift and J.E. Dixon doi:10.2973/odp.proc.sr.135.102.1994 4. Composition and Origin of Volcaniclastic Sediments in the Lau Basin (Southwest Pacific), Leg 135 (Sites 834–839) U. Bednarz and H.-U. Schmincke doi:10.2973/odp.proc.sr.135.101.1994 5. Variability in the Hydrothermal Component of the Sedimentary Sequence in the Lau Backarc Basin (Sites 834–839) R.A. Hodkinson and D.S. Cronan doi:10.2973/odp.proc.sr.135.104.1994 6. Nature and Record of Late Miocene Mass-Flow Deposits from the Lau-Tonga Forearc Basin, Tongan Platform (Hole 840B) R. Bøe doi:10.2973/odp.proc.sr.135.107.1994 7. Clayey Nannofossil Ooze Turbidites and Hemipelagites at Sites 834 and 835 (Lau Basin, Southwest Pacific) R.G. Rothwell, P.P.E. Weaver, R.A. Hodkinson, C.E. Pratt, M.J. Styzen, and N.C. Higgs doi:10.2973/odp.proc.sr.135.108.1994 8. Frequency and Sequency Analyses of Petrophysical Log Data and Inductively Coupled Argon Plasma Analysis of Sediments in the Lau Basin C.M. Griffiths, R. Bøe, and R.A. Hodkinson doi:10.2973/odp.proc.sr.135.105.1994 9. Bacterial Profiles in Deep Sediment Layers from the Lau Basin (Site 834) B.A. Cragg doi:10.2973/odp.proc.sr.135.106.1994 10. Development of Reduction Haloes Under Calcareous and Volcaniclastic Turbidites in the Lau Basin (Southwest Pacific) J. Thomson, R.G. Rothwell, and N.C. Higgs doi:10.2973/odp.proc.sr.135.109.1994 11. Late Miocene Sedimentation History of the Tonga Forearc at Site 840 J.K. Ledbetter and J.A. Haggerty doi:10.2973/odp.proc.sr.135.112.1994 12. Controls on the Sedimentary and Subsidence History of an Active Plate Margin: An Example from the Tonga Arc (Southwest Pacific) P.D. Clift doi:10.2973/odp.proc.sr.135.103.1994

	13. Calcareous Nannofossil Biostratigraphy of Sites 834–839, Lau Basin M.J. Styzen doi:10.2973/odp.proc.sr.135.113.1994 14. Miocene to Pleistocene Planktonic Foraminifer Biostratigraphy of the Lau Basin and Tongan Platform, Leg 135 G.C.H. Chaproniere and H. Nishi doi:10.2973/odp.proc.sr.135.117.1994 15. Middle and Late Eocene Larger Foraminifers from Site 841 (Tongan Platform) G.C.H. Chaproniere doi:10.2973/odp.proc.sr.135.118.1994 16. Eocene–Oligocene Subtropical Planktonic Foraminifers at Site 841 H. Nishi and G.C.H. Chaproniere doi:10.2973/odp.proc.sr.135.114.1994 17. Calcareous Nannofossil Biostratigraphy: Sites 840 (Tonga Ridge) and 841 (Tonga Trench) P.J. Quinterno doi:10.2973/odp.proc.sr.135.115.1994

	18. In Situ Stresses in the Lau Basin and Tonga Forearc (Southwest Pacific) C.J. MacLeod and C.E. Pratt doi:10.2973/odp.proc.sr.135.159.1994 19. Reorientation of Cores Using the Formation Microscanner and Borehole Televiewer: Application to Structural and Paleomagnetic Studies with the Ocean Drilling Program C.J. MacLeod, L.M. Parson, and W.W. Sager doi:10.2973/odp.proc.sr.135.160.1994 20. Structure of the Outer Tonga Forearc at Site 841 C.J. MacLeod doi:10.2973/odp.proc.sr.135.157.1994 21. Synthetic Seismograms, Migrated Seismic Reflection Profiles, and Lithologic Correlations for Leg 135 Sites in the Lau Basin and Tonga Arc T.R. Bruns, E.L. Geist, and D.L. Lavoie doi:10.2973/odp.proc.sr.135.156.1994 22. Rifting of the Tonga/Lau Ridge and Formation of the Lau Backarc Basin: Evidence from Site 840 on the Tonga Ridge D.R. Tappin, T.R. Bruns, and E.L. Geist doi:10.2973/odp.proc.sr.135.163.1994 23. Comparison of GLORIA Sidescan Sonar and Core-Derived Structural Data from Site 841 (Tonga Trench) C.J. MacLeod and A.M. Lothian doi:10.2973/odp.proc.sr.135.158.1994

	24. Regional Geochemistry of the Lau-Tonga Arc and Backarc Systems A. Ewart, W.B. Bryan, B.W. Chappell, and R.L. Rudnick doi:10.2973/odp.proc.sr.135.141.1994 25. Petrologic Evolution of Lau Basin Sites 834 through 839 J.W. Hawkins and J.F. Allan doi:10.2973/odp.proc.sr.135.136.1994 26. Major Element, Trace Element, and Isotope (Pb, Sr, and Nd) Variations in Site 834 Basalts: Implications for the Initiation of Backarc Opening J.M. Hergt and K.N. Farley doi:10.2973/odp.proc.sr.135.144.1994 27. Natural Phase Equilibria and Petrologic Models: Lau Basin Sites 834, 836, and 839 W.B. Bryan, A. Ewart, T.L. Grove, and T.H. Pearce doi:10.2973/odp.proc.sr.135.134.1994 28. Pb-, Sr-, and Nd-Isotopic Evolution of the Lau Basin: Implications for Mantle Dynamics during Backarc Opening J.M. Hergt and C.J. Hawkesworth doi:10.2973/odp.proc.sr.135.142.1994 29. Major Element, Trace Element, and Isotope (Pb, Sr, and Nd) Geochemistry of Site 839 Basalts and Basaltic Andesites: Implications for Arc Volcanism A. Ewart, J.M. Hergt, and J.W. Hawkins doi:10.2973/odp.proc.sr.135.161.1994 30. Proton-Microprobe Trace Element Study of Selected Leg 135 Core Samples A. Ewart and W.L. Griffin doi:10.2973/odp.proc.sr.135.146.1994 31. Plagioclase Zoning in Selected Lavas from Holes 834B, 839B, and 841B W.B. Bryan and T.H. Pearce doi:10.2973/odp.proc.sr.135.132.1994 32. Experimental Phase Relations of Basaltic Andesite from Hole 839B Under Hydrous and Anhydrous Conditions G.A. Gaetani, T.L. Grove, and W.B. Bryan doi:10.2973/odp.proc.sr.135.133.1994 33. Cr-Spinel in Depleted Basalts from the Lau Backarc Basin: Petrogenetic History from Mg-Fe Crystal-Liquid Exchange J.F. Allan doi:10.2973/odp.proc.sr.135.138.1994 34. Comparison of Experimentally Crystallized and Natural Spinels from Leg 135 L.M. Forsythe and M.R. Fisk doi:10.2973/odp.proc.sr.135.131.1994 35. Noble Metal Abundances in Backarc Basin Basalts (Lau Basin, Southwest Pacific) P.A. Cawood and B.J. Fryer doi:10.2973/odp.proc.sr.135.137.1994 36. Oxidation State and Sulfur Concentrations in Lau Basin Basalts K.N. Farley doi:10.2973/odp.proc.sr.135.145.1994 37. Origin of Segregation Vesicles in Volcanic Rocks from the Lau Basin, Leg 135 S.H. Bloomer doi:10.2973/odp.proc.sr.135.127.1994 38. Geochemistry and Origin of Igneous Rocks from the Outer Tonga Forearc (Site 841) S.H. Bloomer, A. Ewart, J.M. Hergt, and W.B. Bryan doi:10.2973/odp.proc.sr.135.129.1994 39. Thaumasite in Lau Basin Basaltic Andesite, Hole 841B D. Schöps and P.M. Herzig doi:10.2973/odp.proc.sr.135.128.1994 40. Hydrothermally Altered Felsic Rocks of the Tonga Forearc D. Schöps and P.M. Herzig doi:10.2973/odp.proc.sr.135.130.1994

	41. Organic Geochemistry of Sediments from Leg 135 (Lau Basin) and of an Oil Seep (Tonga) M.G. Fowler doi:10.2973/odp.proc.sr.135.125.1994 42. Hydrogeochemistry in the Lau Backarc Basin G. Blanc, P. Stille, and F. Vitali doi:10.2973/odp.proc.sr.135.123.1994 43. Geochemical Studies on Selected Sediment Samples from the Lau Backarc Basin: Evidence for Hydrothermal Ponded Sediments G. Blanc doi:10.2973/odp.proc.sr.135.124.1994 44. Short-Chain Organic Acids in Interstitial Waters from the Tonga Arc-Trench System, Leg 135 J.A. Haggerty and J.B. Fisher doi:10.2973/odp.proc.sr.135.126.1994

	45. Magnetic Properties of Basalts and Sediments from the Lau Basin N. Abrahamsen and W.W. Sager doi:10.2973/odp.proc.sr.135.121.1994 46. Cobb Mountain Geomagnetic Polarity Event and Transitions in Three Deep-Sea Sediment Cores from the Lau Basin N. Abrahamsen and W.W. Sager doi:10.2973/odp.proc.sr.135.122.1994 47. Paleomagnetic Constraints on Tonga Arc Tectonic Rotation from Sediments Drilled at Sites 840 and 841 W.W. Sager, C.J. MacLeod, and N. Abrahamsen doi:10.2973/odp.proc.sr.135.119.1994

	48. Geotechnical and Logging Evidence for Underconsolidation of Lau Basin Sediments: Rapid Sedimentation vs. Fluid Flow D.L. Lavoie, T.R. Bruns, and K.M. Fischer doi:10.2973/odp.proc.sr.135.148.1994 49. Geotechnical Properties of Lau Basin Sediments from a Microfabric Perspective K.M. Fischer and D.L. Lavoie doi:10.2973/odp.proc.sr.135.147.1994 50. Bulk Permeability of Young Backarc Basalt in the Lau Basin from a Downhole Packer Experiment (Hole 839B) T.R. Bruns and D.L. Lavoie doi:10.2973/odp.proc.sr.135.150.1994

	51. Two-Stage Ridge Propagation and the Geological History of the Lau Backarc Basin L.M. Parson and J.W. Hawkins doi:10.2973/odp.proc.sr.135.153.1994 52. Sedimentation and Sedimentary Processes in the Lau Backarc Basin: Results from Leg 135 R.G. Rothwell, U. Bednarz, R. Bøe, P.D. Clift, R.A. Hodkinson, J.K. Ledbetter, C.E. Pratt, and S. Soakai doi:10.2973/odp.proc.sr.135.110.1994 53. Sedimentation on the Tonga Forearc Related to Arc Rifting, Subduction Erosion, and Ridge Collision: A Synthesis of Results from Sites 840 and 841 P.D. Clift, U. Bednarz, R. Bøe, R.G. Rothwell, R.A. Hodkinson, J.K. Ledbetter, C.E. Pratt, and S. Soakai doi:10.2973/odp.proc.sr.135.164.1994 54. Late Neogene Biostratigraphic and Magnetostratigraphic Synthesis, Leg 135 G.C.H. Chaproniere, M.J. Styzen, W.W. Sager, H. Nishi, P.J. Quinterno, and N. Abrahamsen doi:10.2973/odp.proc.sr.135.116.1994 55. Petrologic Synthesis: Lau Basin Transect (Leg 135) J.W. Hawkins doi:10.2973/odp.proc.sr.135.135.1994

	*56. Data Report:* Underway Geophysics: Regional Characteristics of Seismic-Reflection Data for Leg 135 L.M. Parson doi:10.2973/odp.proc.sr.135.162.1994 57. Data Report: Dating of Rhyolitic Glass in the Tonga Forearc (Hole 841B) I. McDougall doi:10.2973/odp.proc.sr.135.140.1994 58. Data Report: Assessment of the Precision of Leg 135 Shipboard XRF Analyses and the Contamination Introduced by Crushing in Tungsten Carbide J.M. Hergt and D.R. Sims, Jr. doi:10.2973/odp.proc.sr.135.143.1994 59. Data Report: Geochemical Logging Results from the Lau Basin and Tonga Ridge: Sites 834, 838, 839, and 840** E.L. Pratson, C. Broglia, L.B. Billeaud, and R.R. Reynolds doi:10.2973/odp.proc.sr.135.151.1994

	JOIDES Advisory Groups Sample-Distribution Policy

	Index

Citations to scientific publications related to this and other ODP legs are available.
	Leg 135 Leg-Related Citations Ocean Drilling Program Citation Database ODP Citations (Legs 101–210)

A site map showing the drilling locations for this leg and maps showing the drilling locations of all Ocean Drilling Program (ODP) and Deep Sea Drilling Project (DSDP) drilling sites are available.
	ODP Leg 135 Site Map ODP Map (Legs 100–210) DSDP Map (Legs 1–96) SITES and REPOSITORY LOCATIONS Ocean Drilling Program