Proc. IODP, 342, Site U1408

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Chapter contents Background and objectives Operations Hole U1408A summary Hole U1408B summary Hole U1408C summary Description Lithostratigraphy Unit I Unit II Unit III Unit IV Lithostratigraphic unit summary Middle Eocene Climatic Optimum Origin of green layers Biostratigraphy Calcareous nannofossils Radiolarians Planktonic foraminifers Benthic foraminifers Paleomagnetism Results Magnetostratigraphy Magnetic susceptibility and anisotropy of magnetic susceptibility Age-depth model and mass accumulation rates Age-depth model Linear sedimentation rates Mass accumulation rates Geochemistry Headspace gas samples Interstitial water samples Sediment samples Physical properties Magnetic susceptibility Density and porosity P-wave velocity Natural gamma radiation Color reflectance Thermal conductivity Stratigraphic correlation Sampling splice Correlation during drilling operations Correlation and splice construction Downhole logging Heat flow References Figures F1. Site map. F2. Seismic KNR179-1 Line 24. F3. Seismic KNR179-1 Line 34. F4. Lithologic summary. F5. Common lithologies. F6. Dominant lithologies. F7. Major lithologic components, Hole U1408A. F8. Major lithologic components, Hole U1408B. F9. Major lithologic components, Hole U1408C. F10. Lithologic expression of cyclicity. F11. X-ray diffractograms. F12. Green and black horizons. F13. Sand-sized lithic grains. F14. Microfossil biozonation. F15. Age-depth model. F16. Microfossil abundance and preservation. F17. Upper middle Eocene planktonic foraminifers. F18. Benthic foraminifers. F19. Paleomagnetism variation, Hole U1408A. F20. Paleomagnetism variation, Hole U1408B. F21. Paleomagnetism variation, Hole U1408C. F22. Interstitial water constituent concentrations. F23. Representative demagnetization results. F24. Magnetostratigraphy. F25. Downhole magnetostratigraphy variation. F26. AMS vs. depth. F27. LSR and MAR. F28. Sedimentary carbonate contents. F29. MS and density. F30. MS and P-wave velocity. F31. MS and color reflectance. F32. Thermal conductivity. F33. Thermal conductivity vs. GRA density. F34. MS splice. F35. CCSF depth vs. mbsf depth. F36. Heat flow calculation. Tables T1. Coring summary. T2. Lithostratigraphic units. T3. Nannofossil datums. T4. Nannofossil distribution. T5. Radiolarian datums. T6. Radiolarian distribution. T7. Planktonic foraminifer datums. T8. Planktonic foraminifer distribution. T9. Benthic foraminifer abundance and preservation. T10. Benthic foraminifer distribution. T11. Core orientation data. T12. Demagnetization results. T13. Magnetostratigraphic tie points. T14. AMS summary. T15. Age-depth model datums. T16. Age-depth model datum tie points. T17. Carbonate content and accumulation rates. T18. Headspace gas geochemistry. T19. Interstitial water constituents. T20. Elemental geochemistry. T21. Thermal conductivity. T22. Core top and composite depths. T23. Splice tie points. T24. Downhole temperature. 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