USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 1985-035-FA

Other ID: 85-G-11

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Location: Gulf of Maine, United States, North America, North Atlantic,

Principal Investigator(s): Kim D. Klitgord

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Seismics: Multichannel, Electro-Magnetic: Magnetics, Electro-Magnetic: Gravity, Location-Elevation: Navigation, Seismics: Ocean Bottom Seismometer, Seismics: Sub Bottom Profiler, Seismics: Sonobouy

Scientific Purpose/Goals: Primary objectives were to acquire: 1) shallow to intermediate depth penetration seismic reflection data with USGS seismic reflection system; 2) intermediate to deep depth penetration wide-angle seismic reflection and refraction data with the USGS Ocean Bottom Seismometer (OBS) system; and 3) high-quality gravity and navigation data.


Start Date: 1985-10-06

Start Port/Location: Woods Hole, MA

End Date: 1985-11-04

End Port/Location: Woods Hole, MA

Equipment Used: Multichannel seismics, Marine magnetometer, Gravity meter (wh), Northstar 6000 LORAN-C, Ocean Bottom Seismometer, 3.5 kHz, Seismic refraction, Loran-C, GPS (wh), Gyro compass

Information to be Derived: Morphology;

Summary of Activity and Data Gathered: Seismic reflection/refraction, gravity, magnetic, and navigation data acquired. Multichannel seismic reflection (MCS): 11 lines, totaling 1305 km; OBSes: 8 lines, 28 deployments; Gravity-box surveys for navigation-gravity calibration: 2.

Staff: Deborah Hutchinson, Barry Irwin, David Mason, Gregory Miller, David Nichols, Thomas O'Brien, Kim D. Klitgord, James E. Dodd, David Leeds, Corina Savela, Anne M. Trehu, Sarah Dunlap

Affiliate Staff:
Wally Bothner - UNH; John Brooks - GFA
UNH; John Unger - USGS-Reston; Oscar Febres-Cordero - air-gun compressor system
U. Texas-Austin; David Taylor - USGS-Denver; David Stewart - USGS-Reston; Charlie McClennen - Colgate Univ.; James McCullough - WHOI; David Turner - LaCoste Romberg Co.

Notes: The cruise report was not specific as to what personnel were on the ship. Names were taken from the report summary that appeared to have some cruise function. Original Center People field contained: Kim Klitgord, Chief Scientist; Greg Miller, seismic acquisition systems; Dave Nichols, seismic acquisition systems; Tom O'Brien, seismic acquisition systems; David Mason, air-gun compressor system; Barry Irwin, Navigation/gravity systems; Jim Dodd, Navigation/gravity systems; Corina Savela, Navigation/gravity systems; David Leeds, GFA; Sarah Dunlap, GFA; Debbie Hutchinson; Anne Trehu.
Project = USGS Deep Crustal Program, USGS Deep Crustal Program

Location Map:


photo of Gyre


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Multichannel seismics --- Multichannel
1985-035-FA-SO-001 ( microfilm of )
1985-035-FA-SE-002 ( microfilm of )
1985-035-FA-SE-003-02 ( STACK SEG-Y Data for Lines 1 - 11 recovered from 9 track tape)
1985-035-FA-SE-003-01 ( DEMUX SEG-Y Data for Lines 1 - 11 recovered from 9 track tape)
Marine magnetometer --- Magnetics
Gravity meter (wh) --- Gravity
Northstar 6000 LORAN-C --- Navigation
Ocean Bottom Seismometer --- Ocean Bottom Seismometer
3.5 kHz --- Sub Bottom Profiler
1985-035-FA-SE-001 ( Collection of paper record displays of seismic data( 12K) for lines )
Seismic refraction --- Sonobouy
Loran-C --- Navigation
1985-035-FA-GP-001-03 ( Cruise trackline data including latitude, longitude, shot number, date, and time.)
1985-035-FA-LN-002 ( Digital tape(s) of GR, NV, CPIO-OCABU, OBS, )
GPS (wh) --- Navigation
Gyro compass --- Navigation