Location: Middle Valley, Juan de Fuca Ridge, northeast Pacific Ocean
Priority: 1
Position: 48°26.02'N, 128°40.86'W
Water Depth: 2450
Sediment Thickness: 200 m
Total Penetration: 200 mbsf
Seismic Coverage: Multichannel Line 89-14
Objectives: Constrain geometry and composition of lateral massive sulfide mineralization and alteration, intersect Site 856 fault zone.
Drilling Program: APC/XCB
Logging and Downhole Operations: None
Nature of Rock Anticipated: Hydrothermally altered hemipelagic and turbiditic sediment and semimassive sulfide