169 Prospectus

Site: ET1-4

Location: Escanaba Trough, southern Gorda Ridge, northeast Pacific Ocean

Priority: 1

Position: 41°00'N, 127°29'W

Water Depth: 3250 m

Sediment Thickness: 600 m

Total Penetration: 200 mbsf

Seismic Coverage: Single-channel, Tully, 89-04, Line 3

Objectives: Find suitable location for deep-penetration hole in an active hydrothermal massive sulfide deposit and determine extent and composition of mineralization and alteration

Drilling Program: APC/XCB

Logging and Downhole Operations: None

Nature of Rock Anticipated: Massive sulfide and hydrothermally altered hemipelagic and turbiditic sediment

To Site ET5

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