Sites: Alt AMFW-02A, 03A, and 04A
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Priority: |
Alternate 1 |
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Position: |
Along seismic Line Meg-10, endpoints of potential transect at 30.19°N, 42.15°W to 30.18°N, 42.10°W (See Fig. F4) |
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Water depth (m): |
1600–1900 |
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Sediment thickness (m): |
1–2 |
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Target drilling depth (mbsf): |
Single bit penetration |
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Approved maximum penetration (mbsf): |
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Survey coverage: |
Specific sites to be determined by time available and subsea camera survey between common midpoints 1800 and 2600 |
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Objectives: |
Transect of spreading direction–parallel sites over the central dome to investigate unroofing rates and age of initial fault exposure |
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Drilling program: |
Single bit to destruction or until objectives reached |
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Logging program: |
Contingent on depth of penetration and hole conditions |
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Nature of rock anticipated: |
Serpentinized peridotite, gabbro |