Proc. IODP, 345, Hole U1415P

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Chapter contents Operations Drilling operations Igneous petrology Unit I: basaltic/gabbroic rubble Unit II: Multitextured Layered Gabbro Series Unit III: Troctolite Series Macroscopic characterization of multitextured olivine gabbro Descriptions of igneous boundaries Downhole variations of mode and grain size within Units II and III Skeletal olivine in Unit II Metamorphic petrology Background alteration Veins Alteration in cataclastic zones Metamorphic conditions and history Structural geology Magmatic structures Crystal-plastic deformation Cataclastic deformation Alteration veins Temporal evolution Inorganic geochemistry Multitextured Layered Gabbro Series Troctolite Paleomagnetism Remanence data Geological interpretation of inclination data from discrete samples Magnetic susceptibility, NRM intensity, and Königsberger ratio Anisotropy of magnetic susceptibility Physical properties Multisensor core logger data Discrete sample measurements References Figures F1. Core recovery and rock types. F2. Modal composition variations. F3. Multitextured olivine gabbro. F4. Orthopyroxene-bearing olivine gabbro. F5. Troctolite. F6. Troctolite. F7. Multitextured olivine gabbro. F8. Multitextured orthopyroxene-bearing olivine gabbro. F9. Multitextured olivine gabbro. F10. Multitextured olivine gabbro. F11. Multitextured orthopyroxene-bearing olivine gabbro. F12. Gabbro/troctolite boundary. F13. Gabbro/olivine gabbro boundary. F14. Anorthositic troctolite/gabbro boundary. F15. Olivine gabbro/troctolite boundary. F16. Skeletal olivine. F17. Alteration intensity. F18. Olivine alteration. F19. Olivine alteration intensity. F20. Tremolite and talc. F21. Crosscutting relationships. F22. Serpentinized olivine. F23. Amphibole. F24. Secondary clinopyroxene. F25. Clinopyroxene alteration. F26. Orthopyroxene. F27. Core recovery and plagioclase alteration. F28. Gabbroic and troctolitic domains. F29. Sulfide assemblages. F30. Core recovery and vein types. F31. Vein composition abundance. F32. Vein morphology and mineralogy. F33. Primary vein features. F34. Secondary clinopyroxene vein. F35. Chlorite-prehnite overprinting. F36. Cataclastic zone. F37. Core recovery and foliation dip. F38. Leucocratic banding/layering. F39. Orthopyroxene-bearing olivine gabbro layer. F40. Gabbro. F41. Orthopyroxene and plagioclase vein. F42. Banding microstructure. F43. Magmatic texture variation. F44. Intrusive contacts. F45. Intrusive contact details. F46. Brittle structures. F47. Brittle microstructures. F48. Vein density. F49. Alteration front. F50. Measured vein dip. F51. Core recovery and vein type. F52. NRM intensity. F53. AF demagnetization results. F54. Archive-half NRM data. F55. Discrete sample NRM data. F56. Normalize thermal demagnetization. F57. Archive-half AF demagnetization. F58. Inclination variation. F59. NRM vs. MS. F60. AMS data. F61. Rock composition vs. LOI. F62. Major and trace element composition. F63. Trace element composition. F64. Physical properties. F65. V_P vs. grain density. F66. Grain density and olivine content. F67. V_P and porosity. F68. Thermal conductivity. Tables T1. Operations summary. T2. Lithologic intervals and units. T3. Igneous domain descriptions. T4. Igneous contacts. T5. Alteration modes. T6. Plagioclase alteration. T7. Metamorphic domain descriptions. T8. XRD results. T9. Remanence data. T10. AMS data. T11. V_P, density, and porosity. T12. Physical properties. T13. Thermal conductivity. PDF file			Previous \| Next doi:10.2204/iodp.proc.345.113.2014 References Arason, P., and Levi, S., 2010. Maximum likelihood solution for inclination-only data in paleomagnetism. Geophys. J. Int., 182(2):753–771. doi:10.1111/j.1365-246X.2010.04671.x Blackman, D.K., Ildefonse, B., John, B.E., Ohara, Y., Miller, D.J., Abe, N., Abratis,M., Andal, E.S., Andreani, M., Awaji, S., Beard, J.S., Brunelli, D., Charney, A.B., Christie, D.M., Collins, J., Delacour, A.G., Delius, H., Drouin, M., Einaudi, F., Escartín, J. 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IODP, 309/312: Washington, DC (Integrated Ocean Drilling Program Management International, Inc.). doi:10.2204/iodp.proc.309312.103.2006 Gillis, K.M., Snow, J.E., Klaus, A., Guerin, G., Abe, N., Akizawa, N., Ceuleneer, G., Cheadle, M.J., Adrião, Á., Faak, K., Falloon, T.J., Friedman, S.A., Godard, M.M., Harigane, Y., Horst, A.J., Hoshide, T., Ildefonse, B., Jean, M.M., John, B.E., Koepke, J.H., Machi, S., Maeda, J., Marks, N.E., McCaig, A.M., Meyer, R., Morris, A., Nozaka, T., Python, M., Saha, A., and Wintsch, R.P., 2014a. Bench site survey. In Gillis, K.M., Snow, J.E., Klaus, A., and the Expedition 345 Scientists, Proc. IODP, 345: College Station, TX (Integrated Ocean Drilling Program). doi:10.2204/iodp.proc.345.103.2014 Gillis, K.M., Snow, J.E., Klaus, A., Guerin, G., Abe, N., Akizawa, N., Ceuleneer, G., Cheadle, M.J., Adrião, Á., Faak, K., Falloon, T.J., Friedman, S.A., Godard, M.M., Harigane, Y., Horst, A.J., Hoshide, T., Ildefonse, B., Jean, M.M., John, B.E., Koepke, J.H., Machi, S., Maeda, J., Marks, N.E., McCaig, A.M., Meyer, R., Morris, A., Nozaka, T., Python, M., Saha, A., and Wintsch, R.P., 2014b. Expedition 345 summary. In Gillis, K.M., Snow, J.E., Klaus, A., and the Expedition 345 Scientists, Proc. IODP, 345: College Station, TX (Integrated Ocean Drilling Program). doi:10.2204/iodp.proc.345.101.2014 Gillis, K.M., Snow, J.E., Klaus, A., Guerin, G., Abe, N., Akizawa, N., Ceuleneer, G., Cheadle, M.J., Adrião, Á., Faak, K., Falloon, T.J., Friedman, S.A., Godard, M.M., Harigane, Y., Horst, A.J., Hoshide, T., Ildefonse, B., Jean, M.M., John, B.E., Koepke, J.H., Machi, S., Maeda, J., Marks, N.E., McCaig, A.M., Meyer, R., Morris, A., Nozaka, T., Python, M., Saha, A., and Wintsch, R.P., 2014c. Geochemistry summary. In Gillis, K.M., Snow, J.E., Klaus, A., and the Expedition 345 Scientists, Proc. IODP, 345: College Station, TX (Integrated Ocean Drilling Program). doi:10.2204/iodp.proc.345.114.2014 Gillis, K.M., Snow, J.E., Klaus, A., Guerin, G., Abe, N., Akizawa, N., Ceuleneer, G., Cheadle, M.J., Adrião, Á., Faak, K., Falloon, T.J., Friedman, S.A., Godard, M.M., Harigane, Y., Horst, A.J., Hoshide, T., Ildefonse, B., Jean, M.M., John, B.E., Koepke, J.H., Machi, S., Maeda, J., Marks, N.E., McCaig, A.M., Meyer, R., Morris, A., Nozaka, T., Python, M., Saha, A., and Wintsch, R.P., 2014d. Hole U1415I. In Gillis, K.M., Snow, J.E., Klaus, A., and the Expedition 345 Scientists, Proc. IODP, 345: College Station, TX (Integrated Ocean Drilling Program). doi:10.2204/iodp.proc.345.109.2014 Gillis, K.M., Snow, J.E., Klaus, A., Guerin, G., Abe, N., Akizawa, N., Ceuleneer, G., Cheadle, M.J., Adrião, Á., Faak, K., Falloon, T.J., Friedman, S.A., Godard, M.M., Harigane, Y., Horst, A.J., Hoshide, T., Ildefonse, B., Jean, M.M., John, B.E., Koepke, J.H., Machi, S., Maeda, J., Marks, N.E., McCaig, A.M., Meyer, R., Morris, A., Nozaka, T., Python, M., Saha, A., and Wintsch, R.P., 2014e. Hole U1415J. In Gillis, K.M., Snow, J.E., Klaus, A., and the Expedition 345 Scientists, Proc. 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