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USGS Coastal and Marine Geology Program

Field Activity Details for field activity L376WO

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AKA: none

Other ID: L-3-76-WO,LEE376WO

Status: Completed

Organization(s):

Funding Program(s):

Principal Investigator(s): Parke Snavely

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Seismics: Sub Bottom Profiler, Sonar: Single Beam, Seismics: Multichannel, Seismics: Boomer, Electro-Magnetic: Gravity, Location-Elevation: Navigation, Seismics: Air Gun / Water Gun, Electro-Magnetic: Magnetics

Scientific Purpose/Goals: Seismic reflection and magnetic data across the continental margin

Vehicle(s):

Start Port/Location: Redwood City, CA and Eureka, CA

End Port/Location: Eureka, CA and Seattle, WA

Start Date: 1976-06-11

End Date: 1976-06-20

Equipment Used: 3.5khz, 10khz, 2channelairgun, uniboom, gravity, transitsatellite, integratednavigation, airgunarcer, 24channel, Digitrack, gradiometer

Information to be Derived:

Summary of Activity and Data Gathered:

Staff: Art Grantz, Bob Brune, Byron Ruppel, Dave Aldridge, David Scholl, Diane Minasian, Don Tompkins, Gary Boucher, Graig McHendrie, Jim Nicholson, Joe Edwards, Jon Erickson, Michael Fisher, Pat McCrory, Terry Kelley, Terry Ruff, Roland VonHuene

Affiliate Staff:
Jim Pearl - Geologist
Jim Yount - Geologist
Paul Twichell - Mechanical Technician
R. Slettene - Geophysicist
Ray Wells - Geologist
S. Kenndy - Electronics Technician

Notes:

Staff information imported from InfoBank
Art Grantz - Geologist
Bob Brune - Geophysicist
Byron Ruppel - Geophysicist
Dave Aldridge - Watchstander
Dave Scholl - Geologist
Diane Minasian - Geologist
Don Tompkins - Geophysicist
Gary Boucher - Geophysicist
Graig McHendrie - Geophysicist
Jim Nicholson - Electronics Technician
Jim Pearl - Geologist
Jim Yount - Geologist
Joe Edwards - Mechanical Technician
Jon Erickson - Mechanical Technician
Mike Fisher - Geophysicist
Parke Snavely - Chief Scientist
Pat McCrory - Geologist
Paul Twichell - Mechanical Technician
R. Slettene - Geophysicist
Ray Wells - Geologist
Roland Von Huene - Geophysicist
S. Kenndy - Electronics Technician
Terry Kelley - Electronics Technician
Terry Ruff - Ship Captain

Location:

British Columbia

Boundaries
North: 48.6162 South: 43.7205 West: -126.7578 East: -124.0739

Platform(s):

photo of Samuel Phillips Lee
Samuel Phillips Lee

Publications

McClellan, P.H., Snavely, P.D. Jr., 1987, Multichannel seismic-reflection profiles collected in 1976 off of the Washington-Oregon Coast: U.S. Geological Survey Open-File Report 87-607, http://pubs.er.usgs.gov/publication/ofr87607.

McCrory, P.A., 1994, Late Quaternary thrust faulting along the Cascadia margin, Washington; implications for partitioning of strain: American Geophysical Union Eos, Transactions, v. 75 no. 44, pp. 622–622.

McCrory, P.A., 1994, Quaternary crustal shortening along the central Cascadia subduction margin, Washington: , Geological Society of America Abstracts with Programs. , pp. 523–523.

McCrory, P.A., 1996, Tectonic model explaining divergent contraction directions along the Cascadia subduction margin, Washington: Geology, v. 24 no. 10, pp. 929–932.

Snavely, P.D., Jr, 1981, Geophysical data collected across the Oregon continental shelf along line 2, USGS R/V S. P. Lee, cruise 3-76: U.S. Geological Survey Open-File Report 81-0848, 1 p.

Snavely, P.D., Jr., 1980, Geophysical data collected on Oregon Shelf along Line 5, Cruise Lee 3-76: U.S. Geological Survey Open-File Report 80-816, 2 p.

Snavely, P.D., Jr., 1981, Geophysical data collected on the continental margin midway between Washington State and Vancouver Island, B.C., along line 19, USGS R/V S. P. Lee, Cruise 3-76: U.S. Geological Survey Open-File Report 81-0895, 1 p.

Snavely, P.D., Jr., and McClellan, P.H., 1987, Preliminary geologic interpretation of USGS S.P. Lee seismic-reflection profile WO 76-7 on the continental shelf and upper slope, northwestern Oregon: U.S. Geological Survey Open-File Report 87-0612, 12 p.

Snavely, P.D., Jr., and Wagner, H.C., 1982, Geophysical data collected on the southern Washington continental shelf along Line 12, USGS R/V S.P. Lee cruise 3-76: U.S. Geological Survey Open-File Report 82-0424, 1 p.

Snavely, P.D., Pearl, J.E., and Lander, D.L.,, 1977, Interim report on petroleum resources potential and geologic hazards in the outer continental shelf; Oregon and Washington Tertiary province: U.S. Geological Survey Open-File Report 77-0282, 68 p.

Steele, W.C., Degnan, C.H., Deeter, G.B., and Riordan, J.A., 1989, Description of marine geophysical data collected by the U.S. Geological Survey and how to obtain it: U.S. Geological Survey Open-File Report 89-167, 26 p., https://pubs.er.usgs.gov/publication/ofr89167.

Portals/Viewers

FAN L376WO has data viewable in the GeoMappApp/Virtual Ocean applications. To view this data in these applications go to http://www.geomapapp.org/ and http://www.virtualocean.org/. See the instructions for locating USGS data in these applications. You can also view the imagery created from the SEGY data at https://cmgds.marine.usgs.gov/images.php?cruise=L376WO.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
3.5khz --- Sub Bottom Profiler
Edited bathymetry data l-3-76-wo.330
Survey information
Raw depth (bathymetry) data l-3-76-wo.305
Raw depth (bathymetry) data l-3-76-wo.305_050 (Provisional best file)
NGDC MGD77 data - bathy
10khz --- Single Beam
2channelairgun --- Multichannel
Survey information
uniboom --- Boomer
Survey information
gravity --- Gravity
Raw gravity data from analog meter l-3-76-wo.111
Raw gravity data from analog meter l-3-76-wo.111_050 (Provisional best file)
Gravity land tie data l-3-76-wo.140
Survey information
NGDC MGD77 data - gravity
transitsatellite --- Navigation
Satellite data l-3-76-wo.000
Survey information
integratednavigation --- Navigation
Best file with nav in ArcInfo E00 format
Dead reckoning data l-3-76-wo.010
Tape list
Dead reckoning data l-3-76-wo.011
Dead reckoning data l-3-76-wo.012
Integrated navigation (SINS) data l-3-76-wo.050 (Provisional best file)
Integrated navigation (SINS) data l-3-76-wo.050_degree
Lines
Survey information
airgunarcer --- Air Gun / Water Gun
Survey information
24channel --- Multichannel
Survey information
Edited seismic shot point data l-3-76-wo.420
Edited seismic shot point data l-3-76-wo.421
Scan l-3-76-wo.full.tif
Scan l-3-76-wo.small.tif
Image l-3-76-wo.thumb.jpg
Edited seismic shot point data l-3-76-wo.421_050 (Provisional best file)
Digitrack --- Single Beam
Survey information
gradiometer --- Magnetics
Raw magnetics data l-3-76-wo.200
Edited magnetics data l-3-76-wo.220
Edited magnetics data l-3-76-wo.220_050
Survey information
NGDC MGD77 data - Magnetics
Edited magnetics data l-3-76-wo.221_050 (Provisional best file)

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