173 Scientific Prospectus


Priority: 2
Position: 40°47.80'N, 12°43.40'W
Water Depth: 5500 m
Sediment Thickness: 650 m
Total Penetration: 700 m
Seismic Coverage: Sonne-75 Line 16 SP330; Discovery-161 day 234 (SCS)

1) Sample oceanic basement west of margin-parallel peridotite ridge to characterize the chemistry and melting of the early formed oceanic crust.

Drilling Program: Wash down to within 100 m of basement and then RCB several tens of meters into basement or to bit destruction.

Logging And Downhole Operations: Triple combo, FMS.

Nature of Rock Anticipated: Nannofossil clay, clay, claystone, fine sand, silt, claystone turbidites, basalt.

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