Other ID: 81-G-6-1; 81-G-5; 81-5 Leg 1
Status: Completed
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Funding Program(s):
Principal Investigator(s): Arnold H. Bouma
Affiliate Investigator(s):
Information Specialist(s):
Data Type(s): Electro-Magnetic: Gravity, Electro-Magnetic: Magnetics, Environmental Data: Current, Location-Elevation: Navigation, Seismics: Air Gun / Water Gun, Seismics: Sparker
Scientific Purpose/Goals: Collect high-resolution seismics, gravity, magnetics, grab samples and current drift bottle data to produce a hazards map and geologic interpretation of the study area.
Vehicle(s):
Start Port/Location: Galveston, TX
End Port/Location: Galveston, TX
Start Date: 1981-04-06
End Date: 1981-04-17
Equipment Used: Air gun, Sparker , Current Drift Bottle, Magnetometer (wh), Gravity meter (wh), Integrated Navigation System, Single channel hydrophone
Information to be Derived:
Summary of Activity and Data Gathered: There were 1500 km of good quality high-resolution seismics and sidescan sonar, 18 grab samples, 40 drift bottle stations, and 75 km of magnetics and gravity.
Staff: Robert F. Bowles, James E. Dodd, Barry Irwin, David Mason, David Nichols, Kenneth F. Parolski, George B. Tirey
Affiliate Staff:
USGS-Corpus Christi: Arnold Bouma - Ch. Sci.
Ronald Miller - Oceanographer
Jack Kindinger - Oceanographer
Linda Massingill - Geologist
Ronald Wells - Geologist
Betty Reed - Typist
John West - ET; BLM-New Orleans: Lawrence Handley - Geologist
Notes: Original Center People field contained: Rusty Tirey - Ch. Ops., Robert Bowles - Nav., Barry Irwin - Nav., James Dodd - Nav., David Mason - ET, Kenneth Parolski - ET, Dave Nichols - ET.
Location:
Mississippi continental shelf, Louisiana continental shelf, Gulf of Mexico, United States, North America, North Atlantic;
| Boundaries | |||
|---|---|---|---|
| North: 30.1 | South: 28.9 | West: -89 | East: -88.3 |
Platform(s):
 Gyre |
Sanford, J.M., Harrison, A.S., Wiese, D., Flocks, J.G., 2009, Archive of digitized analog boomer and minisparker seismic reflection data collected from the Mississippi-Alabama shelf during cruises onboard the R/V Carancahua and R/V Gyre, April and July 1981: U.S. Geological Survey Data Series 428, https://doi.org/10.3133/ds428.
Kindinger, J.L., Miller, R.J., Stelting, C.E., and Bouma, A.H., 1982, Depositional history of Louisiana-Mississippi outer continental shelf: U.S. Geological Survey Open-File Report 82-1077, 59 p., available online https://doi.org/10.3133/ofr821077.
| Title | Survey Equipment | Description |
|---|---|---|
| Cruise report | (document not focused on specific equipment) | Chief Scientist's cruise report of personnel, data collection, equipment notes, ship movement. Includes NOAA general cruise inventory sheets. |
| Navigation log | Integrated Navigation System | Integrated Navigation System logbook for Legs 1 and 2 (81007 and 81008) containing day and time, line number, course, speed, latitude, and longitude with irregular fixes and data acquisition notes. |
| Geophysics log | Single channel hydrophone | Log containing 3.5 kHz, 12 kHz, sparker and airgun systems descriptions, including line number times, start and end times, shotpoint numbers, equipment configuration and performance, data acquisition notes. |
| Survey Equipment | Survey Info | Data Type(s) | Data Collected |
|---|---|---|---|
| Air gun | --- | Air Gun / Water Gun | |
| Sparker | --- | Sparker | |
| Current Drift Bottle | --- | Current | |
| Magnetometer (wh) | --- | Magnetics | |
| Gravity meter (wh) | --- | Gravity | 1981-007-FA-GP-001 (Digital tape(s) of NV-INS, NV,GR, ) |
| Integrated Navigation System | --- | Navigation | 1981-007-FA-LN-001 (Digital tape(s) of NV-INS, NV,GR, ) Nav data |
| Single channel hydrophone | --- | Air Gun / Water Gun Boomer Bubble Gun Sparker Sub Bottom Profiler | 1981-007-FA-SE-001 (analog tape of seismic data) Scanned record sections of minisparker data |
