• Chapter contents
• Abstract
• Introduction
• Data and methodology
• Results
• Macroscopic observations
• Deformation structures observed in thin sections
• Discussion
• Deformation regime and kinematics
• Brecciation and timing of the veining
• Concluding remarks
• Acknowledgments
• References
• Figures
• F1. Regional location map and schematic cross-section.
• F2. Section 348-C0002P-5R-4.
• F3. Section 5R-4 thin section locations.
• F4. Sandstone and silty claystone.
• F5. Lentil-type clasts.
• F6. TS 78–85.
• F7. Microfaults.
• F8. Drag fold.
• F9. Array of microfaults.
• F10. Vein formed of aggregates of small calcite grains.
• F11. Vein formed of aggregates of small calcite grains.
• F12. Lentil-shaped aggregates.
• F13. Vein formed of swarms of veinlets.
• F14. Veinlets with a rhombic geometry.
• F15. Veinlets sealing cataclastic deformation.
• F16. Microfault cutting a veinlet.
• F17. Elongated calcite grains and wall rock inclusion bands.
• F18. Deformation structures, vein geometry, and apparent orientation in fault zone.
• PDF file

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doi:10.2204/iodp.proc.348.205.2017

Acknowledgments

All the Expedition 348 scientists are acknowledged for fruitful discussion on the ship. The skill of the technicians at Kochi Core Center (JAMSTEC, Kanagawa, Japan) is greatly appreciated for making extra-large thin sections in an incohesive fault gouge. I thank the reviewers for their constructive reviews. This study was supported by Grants RNM-215 and 451 (“Junta de Andalucía,” Spain) and CGL2013-46368-P (“Ministerio de Economía y Competitividad,” Spain).

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