USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 1993-025-FA

Other ID: JEAN-A 1993 Leg 01

Status: Completed

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

Funding Program(s):

Principal Investigator(s): Kenneth E. Parolski

Affiliate Investigator(s): Juan Luis Trias - USGS BAMG-San Juan

Information Specialist(s):

Data Type(s): Location-Elevation: Navigation, Seismics: Boomer, Seismics: Sub Bottom Profiler, Sampling: Geology, Sampling: Biology, Sampling: Chemistry

Scientific Purpose/Goals: Collect sediment samples and high-resolution seismic reflections profiles; dive.


Start Date: 1993-10-27

Start Port/Location: Las Mareas Harbor, Guayama, Puerto Rico

End Date: 1993-11-05

End Port/Location: Las Mareas Harbor, Guayama, Puerto Rico

Equipment Used: DGPS, Huntec profiling system (500-2500 Hz), 3.5 kHz, Grab sampler - Shipek, Grab sampler - Van Veen , SCUBA

Information to be Derived:

Summary of Activity and Data Gathered: Beach sampling was conducted 10/06/93; shallow water sediment samples were collected 10/10/93 aboard a rubber boat.

Staff: Barry Irwin, Kenneth E. Parolski

Affiliate Staff:
Juan Trias - ch. sci.; Milton Carlo - geologist
San Juan

Project = Puerto Rico Marine Geologic Maps, Puerto Rico Marine Geologic Maps


Grappler Bank, south coast, Puerto Rico, United States, Caribbean Sea, North America, North Atlantic;

North: 17.99841 South: 17.62308 West: -67.0605 East: -65.61035


photo of Jean A
Jean A



Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
DGPS --- Navigation
1993-025-FA-LN-001-01 ( Seismic trackline map. )
1993-025-FA-LN-002 ( Floppy disk(s) containing NAV-GPSL1-4, NAV-DGPSL4A-11, NAV-DGPSL14-18*, NAV-DGPSL12-25, NAV-GPSGRABS1-25, NAV-DGPS, NAV-DGPSSTA35-73, NAV-RAWDGPS, NAV-EDITDGPS, )
Huntec profiling system (500-2500 Hz) --- Boomer
3.5 kHz --- Sub Bottom Profiler
1993-025-FA-SE-002 ( microfilm of )
1993-025-FA-SE-001 ( Collection of paper record displays of seismic data (3.5K) for lines )
Grab sampler - Shipek --- Geology
Grab sampler - Van Veen --- Geology
SCUBA --- Biology