Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RRS John Murray JM5/72 Leg 1

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM5/72 Leg 1
Cruise period1972-03-18 — 1972-03-27
Port of departureBarry, United Kingdom
Port of returnOban, United Kingdom
ObjectivesIntensive geological and geophysical survey, including 5 seismic refraction lines, of the Hebridean continental margin and adjacent Rockall Trough of 57° - 58degN. Coring and dredging carried out and magnetometer, sparker and echo-sounder and side-scan records obtained. Seismic equipment was also tested.
Chief scientistT Fitton (University College London, Department of Geology)
Cruise reportRRS John Murray JM5/72 Leg 1 cruise report john_murray5_72.pdf — access key 'C' (0.39 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)
SpecificHebrides and Rockall Torugh
Track chartsRRS John Murray JM5/72 Leg 1 cruise track — john_murray5_72trk.pdf (0.06 MB) 
Geology and geophysics 
DredgeQuantity: number of stations = 10
GrabQuantity: number of stations = 7
Description: Shipek grabs
Core - soft bottomQuantity: number of stations = 13
Description: including gravity cores
Single channel seismic reflectionDescription: sparker, hydrophone array, magnetometer traverses
Seismic refractionQuantity: number of track lines = 5
Description: test expendable sonobouys