CRUISE REPORT VESSEL: M/V FARNELLA CRUISE NO: FARN82-7 AREA OF OPERATION: Continental Slope, northern Gulf of Mexico DATES: Depart New Orleans, LA 2300 (GMT) 2 February, 1982 Arrive Key West, FL 1300 (GMT) 24 February, 1982 PERSONNEL: Lou Garrison, USGS (U.S. Geological Survey) Chief Scientist Mahlon Ball, USGS Dann Blackwood, USGS Sarah Eisner, USGS Ed Escowitz, USGS Kathy Scanlon, USGS Dick Sylwester, USGS Dave Twichell, USGS John West, USGS Steve Wolf, USGS Neil Kenyon, IOS (Institute of Oceanographic Sciences) Chief Scientist Robin Bonner, IOS John Campbell, IOS Gareth Knight, IOS Adrian Lewis, IOS Mike Somers, IOS OBJECTIVE: Survey the Continental Slope in the northern Gulf of Mexico with the GLORIA long-range sidescan sonar, a cooperative study with the Institute of Oceanographic Sciences, Godalming, England. EQUIPMENT: GLORIA 6.5 kHz sidescan sonar system Bolt 1900 airgun, 40 and 80 cu in 10 kHz subbottom profiler XBT Northstar 6000 Loran C Magnavox MX 1107 satellite navigator DATA ACQUIRED: 4,126 nautical miles of tracklines were run with the systems listed above. Data consist of: 1) GLORIA: a) 12 reels of 9-track digital magnetic tapes b) 12 reels of analog magnetic tapes c) 464 photo negatives, speed rectified side scan data d) shipboard monitor records, photo prints 2) Airgun: a) 59 reels of analog magnetic tape b) shipboard monitor records 3) 10-kHz Echo Sounder a) 2 sec. sweep shipboard records b) 0.5 sec. sweep shipboard records 4) Navigation a) 50 Northstar cassette recordings from bridge b) 19 magnetic tapes from seismic lab c) 8 rolls printout from bridge d) 4 rolls printout from seismic lab e) 1 reel digital 9-track tape of Loran C plus satellite fixes with water depths 5) XBT: 69 XBT recordings The cruise collected 3,731 nautical miles of data on the Continental Slope in 17 days for the USGS, and in 2 additional days, collected 395 nautical miles for an IPOD site survey on the Mississippi Fan. The IPOD data will be deposited in the IPOD data bank when processing is completed.