doi:10.2204/iodp.sp.307.2005

Modern Carbonate Mounds: Porcupine Drilling

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Table of Contents

• TITLE PAGE
• PUBLISHER'S NOTES
• ABSTRACT
• SCHEDULE FOR EXPEDITION 307
• INTRODUCTION
  • Hovland Mounds
  • Magellan Mounds
  • Belgica Mounds
  • Shortened Expedition Approach
• BACKGROUND
  • Geological Setting
  • Basin Development and Synrift Sedimentation
  • Jurassic Rifting Phase
  • Postrift Thermal Subsidence
  • Seismic Studies/Site Survey Data
• SCIENTIFIC OBJECTIVES
  • External versus Internal Controls
  • Of Mounds and Drifts
  • Hypotheses to be Tested
• DRILLING STRATEGY
  • Proposed Drill Sites
• LOGGING/DOWNHOLE MEASUREMENTS PLAN
  • Wireline Logging
• SAMPLING STRATEGY
  • General
  • Cruise-Specific Sampling Needs
• PRECRUISE WORKSHOP
• REFERENCES
• TABLE
  • Table T1. Expedition 307 operations summary.
• FIGURES
  • Figure F1. Porcupine Basin.
  • Figure F2. Multibeam data for Belgica mound province.
  • Figure F3. Proposed Sites PORC-02A, PORC-03A, and PORC-04A.
  • Figure F4. History of the Porcupine Seabight.
  • Figure F5. Downslope seismic profile over Site PORC-03A.
  • Figure F6. Downslope seismic profile over Site PORC-02A.
  • Figure F7. Downslope seismic profile over Site PORC-04A.
  • Figure F8. Challenger mound.
  • Figure F9. Track map over Sites PORC-03A and PORC-04A.
  • Figure F10. Track map over Site PORC-02A.
  • Figure F11. Sigmoidal units at Site PORC-04A.
  • Figure F12. Slope-parallel seismic line over Sites PORC-03A and PORC-04A.
  • Figure F13. Slope-parallel seismic line over Site PORC-03A.
  • Figure F14. Slope-parallel seismic line over Site PORC-02A.
  • Figure F15. Marion-Dufresne core locations at Sites PORC-03A and PORC-04A.
  • Figure F16. TOBI side-scan sonar over Challenger mound.
  • Figure F17. Polarity of Challenger mound.
  • Figure F18. Instantaneous frequency below Challenger mound.
  • Figure F19. Velocity model for Challenger mound.
• SITE SUMMARIES
  • Site: PORC-04A
  • Site: PORC-03A
  • Site: PORC-02A
• SCIENTIFIC PARTICIPANTS (updated 19 April 2005)

Publication date: 1 March 2005

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