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Cruise inventory

RV Farnella 1/85

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Farnella (74AE)
Cruise identifier1/85
Cruise period1985-08-07 — 1985-09-01
Port of departureMiami, United States
Port of returnNew Orleans, United States
ObjectivesSecond year of a six-year co-operative research programme between the United States Geological Survey (USGS) and IOS to survey the exclusive economic zone (EEZ).

GLORIA sonar coverage of US EEZs in the Gulf of Mexico and off Puerto Rico (also part of Cayman Trough). Also, single channel seismic reflection profiles with 80 or 160 cubic inch airgun, 3.5kHz high resolution profiles and 10kHz narrow beam echo-sounding profiles recorded, along with continuous magnetic anomaly profiles.

1. To complete a reconnaissance survey using lapping sidescan data of the western part of the Gulf of Mexico lying within the US 200 nautical mile zone and in waters deeper than approximately 500m.
2. To complete sonar and seismic cover of the complex contintental slope west of the Mississippi Fan, extensively deformed during recent salt tectonism.
3. To complete the donar cover of the East Breaks Slide, a major submarine failure, first surveyed in part during the 6/82 Farnella cruise.
Chief scientistBonnie A McGregor (United States Geological Survey Center for Coastal and Marine Geology), R Guy Rothwell (Institute of Oceanographic Sciences Wormley Laboratory)
ProjectGLORIA studies of the exclusive economic zone (EEZ)
Coordinating bodyUSGS and IOS
Cruise reportRV Farnella 1/85 cruise report farnella1to4_85.pdf — access key 'C' (0.59 MB) 
Ocean/sea areas 
GeneralCaribbean Sea
Gulf of Mexico
SpecificGulf of Mexico and off Puerto Rico
Track chartsRV Farnella 1/85 cruise track — farnella1to4_85track.pdf (0.10 MB) 
Geology and geophysics 
Long/short range side scan sonarQuantity: number of surveys = 1
Description: 10 and 3.5kHz profilers
Single channel seismic reflectionQuantity: number of surveys = 1
Description: GLORIA
Magnetic measurementsQuantity: number of surveys = 1
Description: magnetometer