Priority:
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Alternate for CB-01A
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Position:
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44°49.2774´S, 171°44.9968´E
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Water depth (m):
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101
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Target drilling depth (mbsf):
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1023
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Approved maximum penetration (mbsf):
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1023
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Survey coverage:
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EW00-01-66 (CDP 5906), EW00-01-05 (CDP 10749)
• Track map (Fig. AF1)
• Seismic profile (Fig. AF3)
• Location map (Fig. F3)
• MCS profile EW00-01-66 (Fig. F7)
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Objective (see text for details):
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Sample facies landward of clinoform breakpoints of progradational sequence boundaries, particularly Unconformities U6–U9 and slopes of Unconformities U4–U5 (middle Miocene to Pliocene)
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Drilling, coring, and downhole measurement program:
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Hole A
• APC/XCB to refusal (APC core orientation)
Hole B
• Drill without coring to APC refusal depth
• RCB coring to 1023 mbsf
• Wireline log (triple combo, FMS-sonic)
• VSP with VSI
Alternative: Hole A
• RCB to 1023 mbsf
• Wireline log (triple combo, FMS-sonic)
• VSP with VSI
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Anticipated lithology:
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0–1023 mbsf: Terrigenous siltstone and silty mudstone with intervals of fine-grained sand and mud
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