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Metadata
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ID
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C-2-94-WO
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Also Known As
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L-2-94-WO
PACNORWEST III
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Abstract
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Chief Scientists: Randy Koski, Bob Embley, Stephanie Ross.
Data (bathymetry, underwatercamera, underwatertelevision,
core) of field activity C-2-94-WO in Blanco Ridge from
08/27/1994 to 09/06/1994
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Project/Theme
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Hydrothermal Systems Project
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National Plan
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Resources
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Chief Scientist
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Randy Koski
Bob Embley
Stephanie Ross
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Platform
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Laney Chouest
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Area of Operation
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Blanco Ridge
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Location map
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Bounding Coordinates
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44.21347
-129.68263 -127.04063
43.24304
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Ports
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leave Coos Bay, OR
arrive Coos Bay, OR
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Dates
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08/27/1994 (JD 239) to 09/06/1994 (JD 249)
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Analog Materials
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list
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Index map
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Crew
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Randy Koski
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Chief Scientist, USGS Western Region
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Bob Embley
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Chief Scientist, NOAA
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Stephanie Ross
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Chief Scientist, USGS Western Region
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Bob Bohannon
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Photogeologist, USGS Western Region
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Ledabeth Pickthorn
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Navigator, USGS Western Region
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Jane Reid
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Navigator/photogeologist, USGS Western Region
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Ginny Smith
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Logistical Coordinator, USGS Western Region
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Tuomo Tormanen
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Visiting Scientist
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Equipment Used
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bathymetry
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underwatercamera
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underwatertelevision
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core
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Purpose
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Investigate tectonic, magmatic, and hydrothermal processes along the Blanco Ridge, a strike-slip segment of the Blanco Fracture Zone
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Summary
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67 hours of video tape, 1000 still photographs, Sea Beam bathymetry, 57 rock samples, 10 sediment cores
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Notes
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(From Sept. 9, 1994 USGS bulletin) Randy Koski reports that during the
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first three days of their cruise aboard the LANEY CHOUEST (with Bohannon, Gray,
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Reid, Ross, Smith, and Tormanen) deployments of the U.S. Navy's advanced
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tethered vehicle (ATV) and submersible DSV TURTLE have yielded 45 hours of
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videotape and about 25 rock samples from the south flank and crest of Blanco
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Ridge. Accumulations of volcanic rock fragments and evidence for rock
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avalanches on the Ridge flanks are consistent with the record of seismicity
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along this transform fault zone. This collaborative program with NOAA and the
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NAVY will continue through September 7, with final operations in the east
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Blanco Depression.
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Publications
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Koski, R.A., Embley, R.W., Ross, S.L., Dziak, R.P., Bohannon, R.G., Smith, V.K., Reid, J.A.,
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Gray, L.B., and Tormanen, T.O., 1994, Tectonism and lithologic variation along the Blanco
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Ridge, eastern Blanco fracture zone, NE Pacific; preliminary results from the PACNORWEST
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III Cruise, 1994: American Geophysical Union Eos, Transactions, v. 75, no. 44, Supplement,
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p. 656.
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Got Help?
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For C-2-94-WO, we would appreciate any information on -- activity type, contract, days at sea, dive count, funding, information specialist, information to be derived, kms of navigation, NGDC Info, organization, owner, project number, scanned materials, seismic description, station count, station description, submersible, tabulated info.
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