Cruise inventory

RRS Discovery D104

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD104
Cruise period1979-07-27 — 1979-08-19
Port of departureSuez, Egypt
Port of returnBarry, United Kingdom
Objectives1. The main objective was to use GLORIA to improve our knowledge of tectonic trend and style on the Hellenic Outer Ridge. In addition it was intended to map the extent of features attributed to submarine salt solution, discovered by GLORIA in 1977 and looked at in detail by the Scripps Institution of Oceanography Deep Tow system in 1978.
2. If time allowed it was hoped to compare the Hellenic trench system west of Crete with that part of the system to the south of Crete surveyed by GLORIA in 1977. Parts of this area had been previously looked at C.N.E.X.O. workers with their SEABEAM equipment, thus allowing comparative evaluation of the two techniques.
3. Opportunity would be taken to cross other geological features of interest during the passage to the U.K.
4. Sediment and pore water samples were to be obtained in order to examine the phenomena of sapropel formation and salt diffusion.
Chief scientistNeil H Kenyon (Institute of Oceanographic Sciences Wormley Laboratory)
Cruise reportRRS Discovery D104 cruise report d104.pdf — access key 'C' (0.22 MB) 
Ocean/sea areas 
GeneralMediterranean Sea - Western basin
Mediterranean Sea - Eastern basin
Track chartsRRS Discovery D104 cruise track — trk2401.html
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 8
Long/short range side scan sonarQuantity: track kilometres = 6482
Single channel seismic reflectionQuantity: track kilometres = 5000