doi:10.2204/iodp.sp.311.2005
Cascadia Margin Gas Hydrates
See Expedition 311 Scientific Prospectus Addendum (8 July 2005)
TABLE OF CONTENTS
Download report and addendum in PDF format (Adobe Reader).
Table of Contents
- TITLE PAGE
- PUBLISHER'S NOTES
- ABSTRACT
- SCHEDULE FOR EXPEDITION 311
- INTRODUCTION
- BACKGROUND
- SCIENTIFIC OBJECTIVES
- Geochemistry
- Microbiology
- Gas Hydrate Concentrations and Physical Properties
- Gas Hydrates and Slope Stability
- Cold Vents and Formation (Stability) of Near-Surface Massive Gas Hydrates
- DRILLING STRATEGY
- LOGGING/DOWNHOLE MEASUREMENTS PLAN
- SAMPLING STRATEGY
- REFERENCES
- TABLES
- Table T1. Expedition 311 operations.
- FIGURES
- Figure F1. Location of drilling transect.
- Figure F2. Marine gas hydrate cycle.
- Figure F3. Continental slope off Vancouver Island.
- Figure F4. Seismic Line 89-08.
- Figure F5. Seismostratigraphy of Hole 889A.
- Figure F6. Seismic signature of cold vents.
- Figure F7. Seafloor bathymetry near Site CAS-01B.
- Figure F8. Site survey at Site CAS-01B.
- Figure F9. Site survey at Site CAS-02C.
- Figure F10. Site survey at Sites CAS-03B and CAS-03C.
- Figure F11. Site survey at Site CAS-04B.
- Figure F12. Site survey at Site CAS-05B.
- Figure F13. Site survey at Site CAS-05D.
- Figure F14. Site survey at Site CAS-06A.
- Figure F15. SCS site survey at Site CAS-06A.
- Figure F16. Bottom video photographs.
- Figure F17. Massive gas hydrate samples.
- Figure F18. Detailed site survey at CAS-06A.
- Figure F19. Site survey at Site CAS-06B.
- Figure F20. Blank zone at Site CAS-06B.
- SITE SUMMARIES
- Site CAS-01B
- Site CAS-02C
- Site CAS-03B
- Site CAS-05D
- Site CAS-06A
- Site CAS-03C
- Site CAS-04B
- Site CAS-05B
- Site CAS-06B
- SCIENTIFIC PARTICIPANTS (updated 26 August 2005)
Publication date: 28 April 2005
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