RRS John Murray JM9/69
Cruise summary report
|Ship name (ship code)||RRS John Murray (74MJ)|
|Cruise period||1969-11-03 — 1969-11-16|
|Port of departure||Barry, United Kingdom|
|Port of return||Barry, United Kingdom|
|Objectives||Main purpose was to comeplete a detailed survey of a system of submarine canyons on the continental slope 250 miles WSW of Lands End.
In the Bristol Channel make a continuous seismic profiling and magnetometer survey and make several E-W traverses in the Celtic Sea using the sparker and magnetometer.
In the submarine canyon area: lay 2 current meters to record bottomr currents; complete the detailed bathymetric survey of the canyon; take a series of grab, core and dredge samples; and record surface sediment features by underwater photography.
|Chief scientist||Douglas Hamilton (University of Bristol Geology Department)|
|Cruise report||(0.27 MB)|
|Specific||Continental Slope SW of Land's End|
|Track charts||(0.05 MB)|
|Geology and geophysics|
|Other geological/geophysical measurements||Description: geophys.instr.|