doi:10.2204/iodp.sp.304305.2004

Oceanic Core Complex Formation, Atlantis Massif

Oceanic core complex formation, Atlantis Massif, Mid-Atlantic Ridge: drilling into the footwall and hanging wall of a tectonic exposure of deep, young oceanic lithosphere to study deformation, alteration, and melt generation

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Table of Contents

• TITLE PAGE
• PUBLISHER'S NOTES
• ABSTRACT
• SCHEDULE FOR EXPEDITIONS 304 and 305
• GEOLOGIC SETTING
  • Results of Sea-Surface Mapping, Seismic, and Submersible Studies
• SCIENTIFIC RATIONALE FOR DRILLING
  • Hypotheses
• RATIONALE FOR ADCB ENGINEERING COMPONENT
• DRILLING STRATEGY
  • Drill Sites
  • Contingency Strategies
• SAMPLING PLAN
• LOGGING STRATEGY
  • Triple Combination Tool String
  • Formation MicroScanner/Dipole Sonic Imager Tool String
  • Ultrasonic Borehole Imager
  • Borehole Magnetometer
  • Three-Component Well Seismic Tool
  • Resistivity-at-the-Bit Tool
• REFERENCES
• TABLES
  • Table T1. Expedition 304 operations summary.
  • Table T2. Expedition 305 operations summary.
• FIGURES
  • Figure F1. Perspective view of Atlantis Massif morphology.
  • Figure F2. Seismic refraction results.
  • Figure F3. Three-dimensional perspective of Atlantis Massif and MCS data.
  • Figure F4. Time-migrated MCS line Meg-10 and location of Sites AMFW-01A, 02A, 03A, and 04A.
  • Figure F5. Gravity modeling results and topographic profile.
  • Figure F6. Time-migrated MCS line Meg-5 and location of Site AMHW-01A.
  • Figure F7. Enlargement of Atlantis Massif MCS data.
  • Figure F8. Time-migrated MCS Line Meg-4 and location of Sites Alt AMFW-05A, 06A, and 07A.
• SITE SUMMARIES
  • Site: AMFW-01A
  • Site: AMHW-01A
  • Sites: Alt AMFW-02A, 03A, and 04A
  • Sites: Alt AMFW-05A and 06A
  • Site: Alt AMFW-07A
• EXPEDITION 304 SCIENTIFIC PARTICIPANTS (updated 19 November 2004)
• EXPEDITION 305 SCIENTIFIC PARTICIPANTS (updated 7 April 2005)

Publication date: 5 August 2004

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