Proc. IODP, 331, Site C0014

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Chapter contents Background and objectives Operations Arrival at Site C0014 Hole C0014A Hole C0014B Hole C0014C Hole C0014D Hole C0014E Hole C0014F Hole C0014G Casing and capping Hole C0014G Lithostratigraphy Description of lithostratigraphic units Biostratigraphy Petrology Overview of hydrothermal alteration and mineralization at Site C0014 Near-surface unaltered sediment Illite/montmorillonite alteration Mg chlorite alteration Interpretation of alteration at Site C0014 Geochemistry Interstitial water Headspace gas Sediment carbon, nitrogen, and sulfur composition Microbiology Total prokaryotic cell counts Cultivation of thermophiles Cultivation of iron-oxidizing bacteria Contamination tests Conclusion Physical properties Density and porosity Electrical resistivity (formation factor) Discrete P-wave velocity and anisotropy measurements Thermal conductivity In situ temperature MSCL-I and MSCL-C imaging MSCL-W derived electrical resistivity References Figures F1. Bathymetric map. F2. Stratigraphic units. F3. Pumice clasts. F4. Clast and cemented volcaniclastic sediment. F5. Anhydrite vein. F6. Grain size compositions. F7. Grain size classification. F8. Grain size patterns of sediments. F9. Grain size patterns of holes. F10. Dominant foraminifers. F11. Pyritized foraminifers. F12. Framboidal pyrite. F13. Dominant coccoliths. F14. Radiolarians. F15. Alteration assemblages. F16. Alteration of pumiceous gravel units. F17. Coarse anhydrite crystal. F18. Polymetallic sulfide vein. F19. Na, Na/Cl, Mg, K, and Ca. F20. Sulfate. F21. Alkalinity, phosphate, and silicon. F22. Chloride, bromide, and ammonium. F23. Hydrocarbons in headspace gas. F24. Boron, Li, and Sr. F25. Barium, Mn, and iron. F26. Depth profiles of hydrogen. F27. CaCO₃. F28. TOC, TN, and TS. F29. Microbial cell counts. F30. Putative FeOB. F31. Bulk density. F32. Porosity. F33. Formation factors. F34. Thermal conductivity. F35. P-wave velocity, Site C0014. F36. Depth profile of temperature. F37. Temperature-time series. F38. Electrical resistivity. Tables T1. Coring summary. T2. Lithostratigraphic units. T3. Grain size parameters. T4. Micropaleontology samples. T5. Foraminifers. T6. Coccolithophorids. T7. XRD analyses. T8. Interstitial pore water. T9. Hydrocarbons in safety gas vials. T10. Hydrocarbons in void gas samples. T11. Hydrocarbons in safety gas vials. T12. Carbon, nitrogen, and sulfur. T13. Direct cell counting. T14. Putative iron-oxidizers. T15. Contamination tests with microspheres. T16. Contamination tests with PFT. T17. Porosity, density, thermal conductivity, and formation factor. T18. APCT3 temperatures. PDF file			Previous \| Next doi:10.2204/iodp.proc.331.104.2011 References Árkai, P., 2002. Phyllosilicates in very low-grade metamorphism: transformation to micas. In Mottana, A., Sassi, F.P., Thompson, J.B., Jr., and Guggenheim, S. (Eds.), Micas: Crystal Chemistry and Metamorphic Petrology. Rev. Mineral. 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