Priority:
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Primary
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Position:
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55°55.6′N, 164°54.9′E (WGS 84) [Russia]
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Water depth (m)
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3435
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Target drilling depth (mbsf):
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190
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Approved maximum penetration (mbsf):
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200
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Previous drilling in area:
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DSDP Site 191 (far east in Kamchatka Basin) and Site 192 (far south of this area in the North Pacific)
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Comments:
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Approved at relocated position at track time 7:03:46 on USNS Bartlett Cruise 02, Leg 049, 232 Day, 1970, 22:14–17:32 (EPSP December 2005)
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Survey coverage (track map, seismic profile); sediment cores:
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USNS Bartlett Cruise 02, Leg 049, 232 Day (1970) 22:14–17:32:
• Track map (Fig. AF42)
• Single-channel seismic (Figs. AF43, AF44)
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Objective (see text for complete details):
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Monitor cold dense deep or intermediate water formation in the Bering Sea; gateway to the Pacific Ocean and westernmost and deep end of depth transect.
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Drilling/coring program:
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Holes A, B, and C: APC with core orientation to 190 mbsf, Hole D to 25 mbsf.
Temperature measurements: 3 APCT-3
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Downhole logging program:
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Wireline logging: triple combo, FMS-sonic
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Anticipated lithology:
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Hemipelagic silty clay with siliceous microfossils
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