Proc. IODP, 334, Site U1378

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Chapter contents Background and scientific objectives Operations First transit to Site U1378 Second transit to Site U1378 Lithostratigraphy and petrology Description of units Tephra layers X-ray diffraction analysis Depositional environment Paleontology and biostratigraphy Calcareous nannofossils Foraminifers Structural geology Structures in slope sediments Geochemistry and microbiology Geochemistry Microbiology Physical properties Density and porosity Magnetic susceptibility Natural gamma radiation P-wave velocity Thermal conductivity Downhole temperature Heat flow Vane shear Color spectroscopy Paleomagnetism Natural remanent magnetization Rock magnetic characterization Structural application of core orientation Magnetostratigraphy Downhole logging Logging-while-drilling operations Gas monitoring with logging-while-drilling measurements Logging data quality Characterization of logging-while-drilling logs Logging units Borehole breakout analyses Core-log integration References Figures F1. Site location. F2. Seismic BGR99 Line 7. F3. Lithostratigraphic units. F4. Graphic summary log. F5. Olive-green silty clay. F6. Silty clay. F7. Gray-white tephra. F8. X-ray diffractogram. F9. Biostratigraphic zonation. F10. Microfossil age-depth plot. F11. Bedding features vs. depth. F12. Bedding planes. F13. Normal faults. F14. Vein array dips. F15. Sediment-filled veins. F16. Fractured and brecciated zones. F17. Sulfate, alkalinity, NH₄, CH₄, Ca, and Mg. F18. Salinity, Cl, Ca, Mg, Na, P, alkalinity, and NH₄. F19. Hydrocarbons. F20. Hydrocarbon ratios. F21. Cell concentration, 0–250 mbsf. F22. Cell concentration, 0–50 mbsf. F23. Density and porosity. F24. Magnetic susceptibility. F25. Natural gamma radiation. F26. Compressional wave velocity. F27. Thermal data. F28. Temperature-time measurements. F29. Undrained shear strength. F30. Reflectance values. F31. Demagnetization results. F32. Magnetization directions. F33. Declination variations. F34. Rock magnetic results. F35. Monitoring and control LWD logs. F36. LWD summary. F37. Narrow breakout borehole images. F38. LWD data and core measurements. Tables T1. Operations summary. T2. Unit thickness. T3. Nannofossils. T4. Interstitial water chemistry. T5. Gas geochemistry. T6. Carbon and nitrogen. T7. APCT-3 measurements. PDF file			Previous \| Next doi:10.2204/iodp.proc.334.103.2012 References Berggren, W.A, Hilgen, F.J., Langereis, C.G., Kent, D.V., Obradovich, J.D., Raffi, I., Raymo, M.E., and Shackelton, N.J., 1995a. Late Neogene chronology: new perspectives in high-resolution stratigraphy. Geol. Soc. Am. Bull., 107(11):1272–1287. doi:10.1130/0016-7606(1995)107<1272:LNCNPI>2.3.CO;2 Berggren, W.A., Kent, D.V., Swisher, C.C., III, and Aubry, M.-P., 1995b. A revised Cenozoic geochronology and chronostratigraphy. In Berggren, W.A., Kent, D.V., Aubry, M.-P., and Hardenbol, J. (Eds.), Geochronology, Time Scales and Global Stratigraphic Correlation. Spec. Publ.—SEPM (Soc. Sediment. Geol.), 54:129–212. 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