IODP

doi:10.14379/iodp.sp.353.2014

Site summaries (continued)

Site AA-1

Priority: Alternate
Position: 10°49.3364′N, 93°6.7339′E
Water depth (m): 1545
Target drilling depth (mbsf): 544
Approved maximum penetration (mbsf): 544
Survey coverage (track map; seismic profile): Line AN-01-34A (site map Fig. F1B, seismic lines Fig. AF4)
Objective(s): 1. High-resolution reconstruction of oceanic monsoonal paleoclimate and runoff from the Irrawaddy/Salween drainage basins since the Miocene, eastern Bay of Bengal.
2. High-resolution reconstruction of oceanic circulation at intermediate depths in the Andaman Sea since the Miocene.
Drilling program: Holes A, B, C: APC core to refusal/XCB core to 544 mbsf
Logging program and downhole measurements program: Hole A: APCT-3 temperature measurements and FlexIT orientation
Hole B: FlexIT orientation
Hole C: FlexIT orientation, wireline logging using the triple combo and FMS-sonic
Nature of rock anticipated: Nannofossil and foraminifer oozes, volcanic ashes