Cruise inventory

RRS John Murray JM7/73

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM7/73
Cruise period1973-07-17 — 1973-08-01
StatusCompleted
ObjectivesMarine geology studies in the Western Approaches
Chief scientistDouglas Hamilton (University of Bristol Geology Department)
Ocean/sea areas 
GeneralCeltic Sea
Specific48-51N;05-11W
Track chartsRRS John Murray JM7/73 cruise track — trk1328.html
Measurements 
Physical oceanography 
Current metersQuantity: number of deployments = 1
Description: velocity gradient unit;2 plessey current meter
Geology and geophysics 
DredgeQuantity: number of deployments = 3
GrabQuantity: number of samples = 2
Core - rockQuantity: number of cores = 10
Description: 6 cores with umel corer and 4 cores with free-fall corer
Bottom photographyQuantity: number of deployments = 6
Multi-beam echosoundingQuantity: track kilometres = 2038
Long/short range side scan sonarQuantity: track kilometres = 2038
Single channel seismic reflectionQuantity: track kilometres = 2038