Proc. IODP, 337, Site C0020

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Expedition reports Research results Supplementary material Drilling maps Expedition bibliography
Chapter contents Introduction Operations Lithostratigraphy Cuttings observations Core observations Scanning electron microscopy Mineralogical and geochemical analyses Interpretation of units Depositional environment Drilling disturbances Cuttings contamination Conclusion Paleontology Palynology Diatoms Calcareous nannofossils Downhole logging Overview of logging results Data quality Unit descriptions based on wireline logging Evaluation of fluid sampling points Formation pressure Temperature estimation Log-seismic integration Physical properties Whole-round multisensor core logger Moisture and density measurements Thermal conductivity P-wave velocity Electrical impedance MSCL versus core sample Vitrinite reflectance analysis Anelastic strain recovery analysis Inorganic geochemistry Drilling mud Cuttings Whole-round cores Formation water samples Contamination assessment Organic geochemistry Gases Solid phase Microbiology Contamination tests Cell counts DNA extraction PCR Potential sulfate reduction rates Incubation for shore-based cultivation of deep subseafloor microbes Additional sampling for shore-based microbiological investigations Conclusions References Figures F1. Macroscopic observation, cuttings. F2. Smear slide photomicrographs. F3. Section photographs. F4. Scanning electron micrograph images. F5. XRD downhole changes. F6. Geochemical ratios. F7. Geochemical element ratios. F8. Macroscopic observation, cuttings and cores. F9. Drilling disturbances in cores. F10. Site summary diagram. F11. Temperature measurements. F12. Synthetic seismogram. F13. Seismic profile and logging data. F14. Seismic profile and lithologic units. F15. MSCL-W and MSCL-S data. F16. Porosity distribution. F17. Bulk density distribution. F18. Grain density distribution. F19. Thermal conductivity, cores. F20. P-wave velocity. F21. Electrical resistivity and formation factor. F22. Vitrinite reflectance. F23. 2-D core diameter measurement. F24. Potassium, sulfate, and salinity. F25. Volumetric interstitial water yield. F26. Salinity, total alkalinity, and pmH. F27. Chloride, bromide, and sulfate. F28. Ammonium, sodium, and potassium. F29. Magnesium, calcium, strontium, and barium. F30. Boron, lithium, silica, iron, and manganese. F31. Formation water and drilling mud water. F32. Drilling mud in interstitial water samples. F33. Corrected total alkalinity, Ca, Mg, and Sr. F34. Incoming mud gas. F35. δ¹³C-values of methane. F36. Mud-gas C₁/C₂ ratios. F37. Hydrogen, oxygen, and nitrogen to argon. F38. H₂ and CO, extraction method. F39. Inorganic carbon, TOC, TN, TS, and TOC/TN. F40. Rock-Eval pyrolysis parameters. F41. n-Alkane m/z 85 mass chromatograms. F42. m/z 178 + 192 mass chromatograms. F43. m/z 202 + 216 mass chromatograms. F44. m/z 117 + 75 mass chromatograms. F45. m/z 117 + 75 mass chromatograms. F46. m/z 117 + 75 mass chromatograms. F47. m/z 215 + 257 mass chromatograms. F48. m/z 215 and 217 mass chromatograms. F49. Mass chromatograms, coal, mudstone, and siltstone. F50. C₂₉ 5α,14α,17α(H)20(R) sterane. F51. C₂₉ Δ⁴ and Δ⁵ sterenes. F52. Mass chromatograms, SAS ASTEX-S. F53. Total ion chromatograms, cuttings. F54. m/z 85, 215, and 217 mass chromatograms. F55. Sampling scheme and flow diagram. F56. PFC tracer monitoring. F57. PFC detection limit. F58. Drilling mud contamination, cores. F59. Drilling mud contamination, core interiors. F60. Microbial cell abundance. F61. Microbial cells. F62. qPCR cell abundance. F63. T-RFLP profiles, drilling mud. F64. T-RFLP profiles, cores. F65. Enriched cells. Tables T1. XRD analyses, cores. T2. XRD analyses, cuttings. T3. Lithologic units. T4. Unit I dinoflagellate cysts, pollen, and spores. T5. Unit II dinoflagellate cysts, pollen, and spores. T6. Unit III dinoflagellate cysts, pollen, and spores. T7. Unit IV dinoflagellate cysts, pollen, and spores. T8. Unit I diatoms. T9. Major lithology log response. T10. Major coal layers. T11. Fluid sampling points. T12. Drilling mud water. T13. Drilling cuttings water. T14. Interstitial water chemistry. T15. Formation water. T16. Recovered mud gas. T17. Methane in mud gas. T18. Hydrocarbon gases, mud gas. T19. Hydrocarbon gases, cuttings. T20. Hydrocarbon gases, cores. T21. Hydrocarbon gas content, drilling mud. T22. PGMS mud-gas monitoring. T23. GC-TCD mud-gas monitoring. T24. H₂ and CO of cores, extraction method. T25. H₂ and CO of drilling sand, extraction method. T26. H₂ and CO of cores, incubation method. T27. Radon data. T28. DFA concentrations. T29. Carbonate analyses, cores. T30. Carbonate analyses, cuttings. T31. Organic matter maturity cuttings. T32. Organic matter maturity, cores. T33. n-Alkane data, cores. T34. n-Alkanoic data, cores. T35. Steroid data, cores. T36. n-Alkane, sterene, and sterane data, cuttings. T37. PFC addition schedule. T38. PFC and cell counts, active drilling tanks. T39. Drilling mud contamination, cuttings. T40. Drilling mud contamination, cores. T41. DNA extraction. T42. ³⁵S-labeled Na₂SO⁴ incubation. T43. Observed microorganisms. 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