Priority: |
Primary |
Position: |
5°23.0041′N, 90°21.7099′E |
Water depth (m): |
2963 |
Target drilling depth (mbsf): |
350 |
Approved maximum penetration (mbsf): |
Pending EPSP approval |
Survey coverage (track map; seismic profile): |
Line ar55.0881.knox06rr and ar55.0885.knox06rr (site map Fig. F1A, seismic lines Fig. AF11) |
Objective(s): |
1. Reconstruction of oceanic monsoonal paleoclimate in the southern Bay of Bengal during the Paleocene and Oligocene to present.
2. Reconstruction of oceanic monsoonal circulation at intermediate depths in the southern Bay of Bengal during the Paleocene and Oligocene to present. |
Drilling program: |
Holes A, B, C: APC core to refusal/XCB core to 350 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 with triple combo and FMS-sonic |
Nature of rock anticipated: |
• Unit 1 (0–96 mbsf): nannofossil ooze with foraminifers and clay and clayey nannofossil ooze with foraminifers; nannofossil ooze with clay, foraminifers, and micrite
• Unit 2 (96–350 mbsf): nannofossil chalk and calcareous nannofossil chalk; calcareous chalk with nannofossils, foraminifers, and clay |