Site: SR-2
Priority:
Secondary (planned for subsequent return expedition)
Position:
47°45.662'N, 127°45.674'W;
approved for 500 m radius surrounding position
Water depth (m):
2600
Target drilling depth (mbsf):
475
Approved maximum penetration (mbsf):
475
Survey coverage:
GeoB 00-482: CDP 439
(track map–Fig. F4; seismic profile–Fig. F6)
Objective:
• Characterize upper basaltic crust and hydrologic properties
• Conduct cross-borehole hydrologic and geochemical experiments
• Install long-term borehole observatory (pressure, geochemistry, microbiology)
Drilling and logging program:
• Core into upper basement
• Conduct wireline logging, vertical/offset seismic profile, and packer experiments
• Install borehole observatory (Cork)
Nature of rock anticipated:
Turbidites (sand, silt, clay) and hemipelagic mud, overlying basalt