Scientific Results Contents

Reproduced online: 11 January 2007
ISSN 1096-7451
doi:10.2973/odp.proc.sr.139.1994

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	1. Seismic Structure of Middle Valley near Sites 855–858, Leg 139, Juan De Fuca Ridge K.M.M. Rohr and U. Schmidt doi:10.2973/odp.proc.sr.139.204.1994 2. Low Crustal Magnetization of the Middle Valley Sedimented Rift Inferred from Sea-Surface Magnetic Anomalies R.G. Currie and E.E. Davis doi:10.2973/odp.proc.sr.139.201.1994 3. High-Resolution Magnetic Surveys over the Middle Valley Mounds, Northern Juan de Fuca Ridge M.A. Tivey doi:10.2973/odp.proc.sr.139.205.1994

	4. Planktonic Foraminiferal Biostratigraphy and Paleoceanography of Late Quaternary Turbidite Sequences at Holes 856A, 857A, and 857C, Leg 139 C.A. Brunner doi:10.2973/odp.proc.sr.139.206.1994 5. Late Quaternary Calcareous Nannofossils from the Sedimented Middle Valley of the Juan de Fuca Ridge, Leg 139 S. Mao and S.W. Wise, Jr. doi:10.2973/odp.proc.sr.139.208.1994

	6. Petrology of Igneous Rocks at Middle Valley, Juan de Fuca Ridge D.S. Stakes and J.M. Franklin doi:10.2973/odp.proc.sr.139.212.1994

	7. Sedimentary and Diagenetic Structures and Textures in Turbiditic and Hemiturbiditic Strata as Revealed by Whole-Core X-Radiography, Middle Valley, Northern Juan de Fuca Ridge C.A. Rigsby, R.A. Zierenberg, and P.A. Baker doi:10.2973/odp.proc.sr.139.224.1994 8. Mineralogy of Hydrothermally Altered Sediments and Igneous Rocks at Sites 856–858, Middle Valley, Juan de Fuca Ridge, Leg 139 V. Kurnosov, I. Murdmaa, T. Rosanova, G. Kashintzev, V. Eroshchev-Shak, and S. Krasnov doi:10.2973/odp.proc.sr.139.267.1994 9. Mineralogic and Petrographic Records of Sediment-Fluid Interaction in the Sedimentary Sequence at Middle Valley, Juan de Fuca Ridge, Leg 139 M.D. Buatier, A.-M. Karpoff, M. Boni, G.L. Früh-Green, and J.A. McKenzie doi:10.2973/odp.proc.sr.139.216.1994 10. Mineralogy and Mineral Chemistry of Hydrothermally Altered Sediment, Middle Valley, Juan de Fuca Ridge M.I. Leybourne and W.D. Goodfellow doi:10.2973/odp.proc.sr.139.220.1994 11. Geochemistry of Hydrothermally Altered Sediment, Middle Valley, Northern Juan de Fuca Ridge W.D. Goodfellow and J.M. Peter doi:10.2973/odp.proc.sr.139.219.1994 12. Stable Isotope and Geochemical Record of Convective Hydrothermal Circulation in the Sedimentary Sequence of Middle Valley, Juan de Fuca Ridge, Leg 139 G.L. Früh-Green, J.A. McKenzie, M. Boni, A.M. Karpoff, and M. Buatier doi:10.2973/odp.proc.sr.139.217.1994 13. A Note on the Carbon, Sulfur, and Nitrogen Contents of Hydrothermally Altered Sediments, Middle Valley, Juan de Fuca Ridge P.A. Baker and S.L. Cross doi:10.2973/odp.proc.sr.139.214.1994 14. Geochemistry of Carbonate Nodules and Cements and Implications for Hydrothermal Circulation, Middle Valley, Juan de Fuca Ridge P.A. Baker, S.L. Cross, and S.J. Burns doi:10.2973/odp.proc.sr.139.215.1994 15. Organic Matter and Carbon Isotope Composition of Carbonate Nodules and Associated Sediments from Middle Valley, Leg 139 M. Boni, B.R.T. Simoneit, G.L. Früh-Green, R.N. Leif, and J.A. McKenzie doi:10.2973/odp.proc.sr.139.235.1994 16. Diagenesis of Amorphous Silica in Middle Valley, Juan de Fuca Ridge C.G. Wheat and J.S. Tribble doi:10.2973/odp.proc.sr.139.225.1994

	17. Chemical Composition and Formation of a Massive Sulfide Deposit, Middle Valley, Northern Juan de Fuca Ridge (Site 856) S. Krasnov, T. Stepanova, and M. Stepanov doi:10.2973/odp.proc.sr.139.230.1994 18. Mineralogy and Sulfur Isotopic Composition of the Middle Valley Massive Sulfide Deposit, Northern Juan de Fuca Ridge (see chapter correction) R.C. Duckworth, A.E. Fallick, and D. Rickard doi:10.2973/odp.proc.sr.139.228.1994 19. Helium and Sulfur Isotopes of Sulfide Minerals from Middle Valley, Northern Juan de Fuca Ridge F.M. Stuart, R. Duckworth, G. Turner, and P.F. Schofield doi:10.2973/odp.proc.sr.139.227.1994

	20. Geochemistry of Hydrothermal Vent Fluids from Middle Valley, Juan de Fuca Ridge D.A. Butterfield, R.E. McDuff, J. Franklin, and C.G. Wheat doi:10.2973/odp.proc.sr.139.266.1994 21. Fluid Inclusion Petrography and Microthermometry of the Middle Valley Hydrothermal System, Northern Juan de Fuca Ridge J.M. Peter, W.D. Goodfellow, and M.I. Leybourne doi:10.2973/odp.proc.sr.139.233.1994 22. A Technique for Obtaining Pore-Water Chemical Composition from Indurated and Hydrothermally Altered Sediment and Basalt: The Ground Rock Interstitial Normative Determination (Grind) C.G. Wheat, J. Boulègue, and M.J. Mottl doi:10.2973/odp.proc.sr.139.234.1994

	23. Dissolved Organic Carbon in Interstitial Waters from Sediments of Middle Valley, Leg 139 B. Ran and B.R.T. Simoneit doi:10.2973/odp.proc.sr.139.238.1994 24. Lipid/Bitumen Maturation by Hydrothermal Activity in Sediments of Middle Valley, Leg 139 B.R.T. Simoneit doi:10.2973/odp.proc.sr.139.237.1994 25. Thermogenic and Bacterial Hydrocarbon Gases (Free and Sorbed) in Middle Valley, Juan de Fuca Ridge, Leg 139 M.J. Whiticar, E. Faber, J.K. Whelan, and B.R.T. Simoneit doi:10.2973/odp.proc.sr.139.241.1994 26. Alkenones in Sediments of Middle Valley, Leg 139: Application as Thermal Sensors B.R.T. Simoneit, F.G. Prahl, R.N. Leif, and S.-Z. Mao doi:10.2973/odp.proc.sr.139.239.1994 27. Time-Temperature Histories of Kerogen and Mineral Ammonia from Leg 139 (Middle Valley) Sediments J.K. Whelan, J. Seewald, L. Eglinton, and F.P. Miknis doi:10.2973/odp.proc.sr.139.240.1994 28. Thermal Evolution of Sediments from Leg 139, Middle Valley, Juan de Fuca Ridge: An Organic Petrological Study S. Mao, L.B. Eglinton, J. Whelan, and L. Liu doi:10.2973/odp.proc.sr.139.209.1994 29. Bacterial Profiles in Hydrothermally Active Deep Sediment Layers from Middle Valley (NE Pacific), Sites 857 and 858 B.A. Cragg and R.J. Parkes doi:10.2973/odp.proc.sr.139.236.1994

	30. Rock Magnetic Properties of Mafic Rocks from the Middle Valley Sedimented Rift K. Fukuma, U. Körner, and H. Oda doi:10.2973/odp.proc.sr.139.242.1994 31. Rock Magnetic Properties of Hydrothermally Formed Iron Sulfides from Middle Valley, Juan de Fuca Ridge U. Körner doi:10.2973/odp.proc.sr.139.243.1994

	32. Estimating In-Situ Thermal Conductivity from Log Data H.W. Villinger, M.G. Langseth, H.M. Gröschel-Becker, and A.T. Fisher doi:10.2973/odp.proc.sr.139.258.1994 33. Estimation of Grain Thermal Conductivity in the Turbidite Sediment of the Juan de Fuca Ridge M. Kinoshita doi:10.2973/odp.proc.sr.139.250.1994 34. Anisotropic Thermal Conductivity of Pleistocene Turbidite Sediments of the Northern Juan de Fuca Ridge E.E. Davis and D.A. Seemann doi:10.2973/odp.proc.sr.139.245.1994 35. Present and Past Temperatures of Sediments at Site 857, Middle Valley, Northern Juan de Fuca Ridge E.E. Davis and K. Wang doi:10.2973/odp.proc.sr.139.254.1994

	36. Structure of Igneous Basement at Sites 857 and 858 Based on Leg 139 Downhole Logging M.G. Langseth and K. Becker doi:10.2973/odp.proc.sr.139.256.1994 37. Correlation of Well Logs, Physical Properties, and Surface Seismic Reflection Data, Middle Valley, Juan de Fuca Ridge K.M.M. Rohr and H. Gröschel-Becker doi:10.2973/odp.proc.sr.139.257.1994 38. Seismic Velocities of Diabase and Basalt from Middle Valley Sills and Flows, Northern Juan de Fuca Ridge H.M. Gröschel-Becker, H.W. Villinger, B.A. Konyukhov, G.J. Iturrino, and N.I. Christensen doi:10.2973/odp.proc.sr.139.248.1994 39. Permeabilities in the Middle Valley Hydrothermal System Measured with Packer and Flowmeter Experiments K. Becker, R.H. Morin, and E.E. Davis doi:10.2973/odp.proc.sr.139.252.1994 40. Geotechnical and Hydrogeological Properties of Sediments from Middle Valley, Northern Juan de Fuca Ridge A.T. Fisher, K. Fischer, D. Lavoie, M. Langseth, and J. Xu doi:10.2973/odp.proc.sr.139.246.1994 41. Formation Temperatures and Pressures in a Sedimented Rift Hydrothermal System: 10 Months of CORK Observations, Holes 857D and 858G E.E. Davis and K. Becker doi:10.2973/odp.proc.sr.139.255.1994 42. Hydrologic and Thermal Conditions at a Sediment/Basalt Interface: Implications for Interpretation of Field Measurements at Middle Valley J.U. Bessler, L. Smith, and E.E. Davis doi:10.2973/odp.proc.sr.139.253.1994

	43. Timing of Ore Deposition and Sill Intrusion at Site 856: Evidence from Stratigraphy, Alteration, and Sediment Pore-Water Composition M.J. Mottl, C.G. Wheat, and J. Boulègue doi:10.2973/odp.proc.sr.139.232.1994 44. On the Nature and Consequences of Hydrothermal Circulation in the Middle Valley Sedimented Rift: Inferences from Geophysical and Geochemical Observations, Leg 139 E.E. Davis and A.T. Fisher doi:10.2973/odp.proc.sr.139.259.1994

	*45. Data Report:* Physical Properties of Massive Sulfide from Site 856, Middle Valley, Northern Juan de Fuca Ridge H.M. Gröschel-Becker, E.E. Davis, and J.M. Franklin doi:10.2973/odp.proc.sr.139.249.1994 46. Data Report: Rock Magnetic Properties of Hydrothermally Altered Sediments from Middle Valley H. Oda and U. Körner doi:10.2973/odp.proc.sr.139.244.1994 47. Data Report: Preliminary Gamma-Ray Analyses of Samples from Leg 139 W.S. Moore and D. Stakes doi:10.2973/odp.proc.sr.139.223.1994 48. Data Report: Sulfur Content of Sediment and Sulfur Isotope Values of Sulfide and Sulfate Minerals from Middle Valley R.A. Zierenberg doi:10.2973/odp.proc.sr.139.226.1994 49. Data Report: Trace Metal Composition of Pore Water from Sites 855 through 858, Middle Valley, Juan de Fuca Ridge** C.G. Wheat and M.J. Mottl doi:10.2973/odp.proc.sr.139.269.1994

	Index

	Chapter 44: Figure 3B and Figure 3C. Bathymetry of Middle Valley, northern Juan de Fuca Ridge.

Citations to scientific publications related to this and other ODP legs are available.
	Leg 139 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 139 Site Map ODP Map (Legs 100–210) DSDP Map (Legs 1–96) SITES and REPOSITORY LOCATIONS Ocean Drilling Program