IODP

doi:10.14379/iodp.sp.359.2014

Site summaries

Site MAL-07A

Priority: Primary
Position: 4.766388N, 73.135556E
Jurisdiction: Maldives
Water depth (m): 419
Target drilling depth (mbsf): 642
Approved maximum penetration (mbsf): 710
Survey coverage (track map; seismic profile):
  • Location map (Fig. F13)
  • Primary line(s): 124-channel seismic Line 62 (Fig. F14)
  • 124-channel seismic Line 59
  • Objective(s): 1. Analyze cyclostratigraphy of drift deposits, providing reconstructions of changes in the current regime and monsoon cyclicity
    2. Constrain the timing of unconformities and sedimentary interruptions
    Drilling program: Triple APC to 200 mbsf
    APCT-3 measurements and orientation on all holes
    Hole C: XCB to ~642 mbsf
    Logging and downhole measurement program: Wireline log with triple combo, FMS-sonic, and VSI.
    Nature of rock anticipated: Calcareous ooze, chalk