Technical Note 20/4


LEG 174A PROSPECTUS

Table 1. Proposed Site Information and Drilling Strategy


SITE: MAT-8B		PRIORITY:	1	POSITION:  39°22.8'N, 73°43.8'W	
WATER DEPTH: 88 m	SEDIMENT THICKNESS: -	TOTAL PENETRATION: 829 m
SEISMIC COVERAGE:Ew9009 MCS, Line 1002, Line 1007

Objectives: Determine the age and facies of the middle Miocene

Drilling Program: Double APC/XCB

Logging and Downhole Operations:  Logging While Drilling*

Nature of Rock Anticipated: Sands, silts, and clays 


SITE: MAT-9		PRIORITY:	1	POSITION:   39°21.6'N, 72°41.4'W
WATER DEPTH: 90 m	SEDIMENT THICKNESS: -	TOTAL PENETRATION:1065 m 
SEISMIC COVERAGE:  Ew9009 MCS, Line 1014

Objectives: Determine the age and facies of the middle Miocene

Drilling Program: Double APC/XCB

Logging and Downhole Operations:  Logging While Drilling*

Nature of Rock Anticipated: Sands, silts, and clays 


SITE:  MAT 13B		PRIORITY:	1	POSITION:  39°15'N, 72°8.4'W
WATER DEPTH: 427 m	SEDIMENT THICKNESS:  -	TOTAL PENETRATION:   818 m 
SEISMIC COVERAGE:MCS Oc270 Line 59

Objectives:  Determine age and facies of deep sea correlative conformities of the upper Miocene m1 sequence boundary and provide a thick, high resolution middle to upper Miocene slope section

Drilling Program: Double APC/XCB

Logging and Downhole Operations: Quad, GHMT, Logging While Drilling*

Nature of Rock Anticipated: Sands, silts, and clays


SITE:MAT-7B**		PRIORITY:		POSITION:39°28.2'N, 72°54.6'W
WATER DEPTH: 75 m	SEDIMENT THICKNESS: -	TOTAL PENETRATION: 1080 m 
SEISMIC COVERAGE: Ew9009 MCS Line 1002, Line 1003

Objectives:  Determine age facies of Paleocene-Eocene sediments

Drilling Program: Double APC/XCB

Logging and Downhole Operations: Quad, Logging While Drilling*

Nature of Rock Anticipated: Sands, silts, and clays


SITE: MAT-13A**		PRIORITY:	1	POSITION:39°12.6'N, 72°26.4'W	
WATER DEPTH:  427 m	SEDIMENT THICKNESS: -	TOTAL PENETRATION: 818 m  
SEISMIC COVERAGE: Ew9009 MCS

Objectives: Determine age and facies of deep sea correlative conformities of the upper Miocene m1 sequence boundary and provide a thick, high resolution middle to upper Miocene slope section

Drilling Program: Double APC/XCB

Logging and Downhole Operations:  Quad, GHMT, Logging While Drilling*

Nature of Rock Anticipated: Sands, silts, and clays


*LWD tools: CDR - resistivity, gamma-ray, CDN - neutron, density, ISONIC - sonic velocity, RAB - resistivity at bit, MWD - weight on bit and real-time transmission
**Alternates sites

To Leg 174B-I

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