OPEN FILE REPORT 449

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PRE CRUISE INFORMATION

CRUISE SERIAL NUMBER: 97006
Ship: GYRE
Center Principal and Affiliate Principal(if any): Dave Twichell;
Hans Nelson-PMG;
Area of Operations: offshore LA 26d15-27d30n/91d55-92d50w
Start and End Dates: APR 4, 1997 to APR 24, 1997
Start and End Ports: from Galveston, TX to Galveston, TX
Number of Days at Sea:
Cruise Objectives: Map turbidity current pathways LA slope w/SIS-7000 and piston cores to understand sand deposit formation.
Scientific Party(USGS): Dave Twichell-Co-Chief Scientist, Tom OBrien-Technician, Dave Nichols, Barry Irwin, Bill Danforth-Sidescan processor, VeeAnn Cross, Dave Foster, Mike Taylor, Eric Haase;
Scientific Party(affiliate): Jed Damuth-UTArl., Hans Nelson-PMG-co-chief scientist, Larry Kooker-PMG-Technician,Gita Dunhill-PMG,Scott Harrison-St. Pete; 2 TAMU coring techs, 2 TAMU students
Scientific Equipment: DGPS navigation, SIS7000 w/chirp, ISIS logger, acoustic ranging system, XSONAR, digital bathy, 3.5kHz, GI gun, Mudseis; Piston corer, traction winch-TAMU, Compressor-Duke
Cruise Funding Source: SIR
Remarks:

4/4-15 Sidescan:

Twichell-Cheif Scientist

OBrien,Kooker,Nichols-ET;

Irwin-Navigation technician;

Cross,Danforth,Foster,Taylor,Harrison-data processing;

4/15-24 Piston coring:

Twichell,Nelson-Cheif Scientist;

Dunhill,Damuth, Foster, Cross, Harrison, Hasse, Taylor; 2coringtechs; 2TAMUstudents.

Report Date: 12:15 3/26/97
Submitted by: Dave Twichell



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