Integrated Ocean Drilling Program

Expeditions 303 and 306 Scientific Prospectus

North Atlantic Climate

Ice sheet-ocean atmosphere interactions on millennial timescales during the late Neogene-Quaternary using a paleointensity-assisted chronology for the North Atlantic

Documenting and monitoring bottom water temperature variations through time: installing a CORK at Site 642, Norwegian-Greenland Sea

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Note: EXPEDITION 306 ADDENDUM (17 February 2005)

TABLE OF CONTENTS

• COVER PAGE
• PUBLISHER'S NOTES
• ABSTRACT
• SCHEDULE FOR EXPEDITIONS 303 AND 306
• INTRODUCTION
• BACKGROUND
  • Geological Setting
  • Seismic Studies/Site Survey Data
• SCIENTIFIC OBJECTIVES
  • "Climate"-Related Objectives
  • Geomagnetic-Related Objectives
• RELATIONSHIP TO PREVIOUS NORTH ATLANTIC DRILLING
• DRILLING STRATEGY
• PROPOSED DRILL SITES
  • Orphan Knoll (ORPH)
  • Eirik Drift (LAB)
  • Gardar Drift (GAR)
  • IRD Belt (IRD)
• LOGGING/DOWNHOLE MEASUREMENTS PLAN
• SAMPLING STRATEGY
  • General Conditions
  • Cruise-Specific Sampling
• CORK INSTALLATION AT ODP SITE 642
  • Introduction
  • Background
  • Scientific Objectives
  • Proposed Research
  • Casing and CORK Installation Plan
  • Logging/Downhole Measurements Plan
• REFERENCES
• TABLES
  • Table T1. Expedition 303 operations plan.
  • Table T2. Expedition 306 operations plan.
• FIGURES
  • Figure F1. Location of proposed drill sites.
  • Figure F2. Geomagnetic paleointensity and cosmogenic isotope records.
  • Figure F3. Benthic oxygen isotope and geomagnetic paleointensity records.
  • Figure F4. Location of Orphan Knoll.
  • Figure F5. Bathymetric map of SE part of Orphan Knoll.
  • Figure F6. Proposed Sites ORPH2A and ORPH3A profile.
  • Figure F7. Seismic stratigraphy and moat at the base of the fault scarp.
  • Figure F8. Proposed Site ORPH2A profile.
  • Figure F9. Location of LAB sites.
  • Figure F10. Proposed Site LAB-3A profile.
  • Figure F11. ODP Site 646 profile.
  • Figure F12. Track map of BGR-2 and KN166-14 Line 21.
  • Figure F13. KN166-14 Line 21 showing the BGR-2 crossing.
  • Figure F14. Track map for KN166-14 Line 25a.
  • Figure F15. Proposed Site LAB-6A on KN166-14 Line 25a.
  • Figure F16. Proposed Site LAB-6A on KN166-14 Line 25a.
  • Figure F17. Proposed Site LAB-7A on KN166-14 Line 19.
  • Figure F18. Proposed Site LAB-7A on KN166-14 Line 24c.
  • Figure F19. Proposed Site LAB-7A on KN166-14 Line 19 (3.5 kHz).
  • Figure F20. Proposed Sites LAB-8A, LAB-8B, and LAB-8C on KN166-14 Line 25a.
  • Figure F21. Proposed Site LAB-8B on KN166-14 Line 25a (3.5 kHz).
  • Figure F22. Location of proposed Site GAR-1B.
  • Figure F23. Proposed Site GAR-1B Seabeam survey KN166-14.
  • Figure F24. Track map for MCS site survey of proposed Site GAR-1B.
  • Figure F25. MCS profile at proposed Site GAR-1B.
  • Figure F26. MCS profile at proposed Site GAR-1B.
  • Figure F27. MCS profile at proposed Site GAR-1B.
  • Figure F28. Proposed Site GAR1B profile (3.5 kHz).
  • Figure F29. Proposed Site GAR-2A Seabeam survey KN166-14.
  • Figure F30. Track map for MCS site survey of proposed Site GAR-2A.
  • Figure F31. MCS profile across proposed Site GAR-2A.
  • Figure F32. MCS profile across proposed Site GAR-2A.
  • Figure F33. Proposed Site GAR-2A profile (3.5 kHz).
• SITE SUMMARIES
  • Site: ORPH2A
  • Site: ORPH3A
  • Site: LAB3A
  • Site: LAB6A
  • Site: LAB7A
  • Site: LAB8A
  • Site: LAB8B
  • Site: LAB8C
  • Site: GAR1B
  • Site: GAR2A
  • Site: IRD1A
  • Site: IRD3A
  • Site: IRD4A
  • Site: 642
• SCIENTIFIC PARTICIPANTS
  • Expedition 303 (updated 26 October 2004)
  • Expedition 306 (updated 7 March 2005)

Date posted: 6 September 2004

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