Technical Note 20/6

TABLE 2*

PROPOSED SITE INFORMATION AND DRILLING STRATEGY


SITE: SCS-1PRIORITY: 1 POSITION: 20.0526°N, 117.4194°E
WATER DEPTH: 2050 mSED THICKNESS: ~760 mTOTAL PENETRATION: 450 m
SEISMIC COVERAGE: Intersection of SO-95 Profiles 10 and 20

Objectives: Recover a continuous high-sediment-rate marine sequence hemipelagic sediment record to reconstruct the Pleistocene paleo-monsoon history.

Drilling Program: Triple APC to refusal, XCB to 450 mbsf

Logging and Downhole Operations: Triple-combo, GLT, GHMT, and FMS

Nature of Rock Anticipated: Hemipelagic mud


SITE: SCS-2 PRIORITY: 1 POSITION: 19.5835°N, 117.6313°E
WATER DEPTH: 3190 m SED THICKNESS: ~870 mTOTAL PENETRATION: 400 m
SEISMIC COVERAGE: Intersection of SO-95 Profiles 10 and Vema Profile 3068

Objectives: Recover a continuous marine sequence hemipelagic sediment record to reconstruct the middle Pliocene to Pleistocene/Holocene paleo-monsoon history

Drilling Program: Triple APC to refusal, XCB to 400 mbsf


Logging and Downhole Operations: Triple-combo, GLT, GHMT, and FMS

Nature of Rock Anticipated: Hemipelagic mud and mudstone


SITE: SCS-3 PRIORITY: 1POSITION: 20.2994°N, 115.7887°E
WATER DEPTH: 625 m SED THICKNESS:TOTAL PENETRATION: 550 m
SEISMIC COVERAGE: Intersection of SO-95 Profiles 4 and SO-72A Profile 18

Objectives: Recover a hemipelagic sediment record to reconstruct the late Miocene to Pleistocene paleo monsoon history; determine variations in oxygen content

Drilling Program: Triple APC to refusal, XCB to 550 mbsf


Logging and Downhole Operations: Triple-combo, GLT, GHMT, and FMS

Nature of Rock Anticipated: Hemipelagic mud and silt


SITE: SCS-4PRIORITY: 1POSITION: 19.4540°N, 116.2642°E
WATER DEPTH: 2093 m SED THICKNESS:TOTAL PENETRATION: 520 m
SEISMIC COVERAGE: Intersection of SO-95 Profiles 4 and SO-72A Profile 18

Objectives: Recover a hemipelagic sediment record to reconstruct the middle Miocene to Pliocene paleo monsoon history.

Drilling Program: Triple APC to refusal, XCB to 520 mbsf


Logging and Downhole Operations: Triple-combo, GLT, GHMT, and FMS

Nature of Rock Anticipated: Hemipelagic mud and silt


SITE: SCS-5BPRIORITY: 1POSITION: 18.966°N, 116.491°E
WATER DEPTH: 3105 m SED THICKNESS:TOTAL PENETRATION: 850 m
SEISMIC COVERAGE: Intersection of SO-95 Profiles 5 and 20

Objectives: Recover hemipelagic sediments to reconstruct the paleoclimate history from Oligocene to Miocene

Drilling Program: Triple APC to refusal, XCB to 450 m, RCB to 850 m


Logging and Downhole Operations: Triple-combo, GLT, GHMT, and FMS

Nature of Rock Anticipated: Hemipelagic mud and silt


SITE: SCS-8PRIORITY: 1POSITION: 7.3619°N, 112.5453°E
WATER DEPTH: 1800 m SED THICKNESS:TOTAL PENETRATION: 1100 m
SEISMIC COVERAGE: Intersection SCS Profiles N9 and N15

Objectives: Recover sediment record to reconstruct the paleoclimate history in the tropical SCS since Eocene; determine variations in supply of terrigenous sediment from the Mekong and other rivers

Drilling Program: Triple APC to refusal, XCB to 450 m, RCB to 1100 m

Logging and Downhole Operations: Triple-combo, GLT, GHMT, and FMS

Nature of Rock Anticipated: Hemipelagic mud, silt, and other clastic sediments and rocks



*Sites are not approved. PPSP approval is pending. Selection of alternate sites is still pending.


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