RRS John Murray JM9/69
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS John Murray (74MJ) |
| Cruise identifier | JM9/69 |
| Cruise period | 1969-11-03 — 1969-11-16 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| 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) |
| Ocean/sea areas | |
| General | Bristol Channel Celtic Sea |
| Specific | Continental Slope SW of Land's End |
| Track charts | (0.05 MB) |
| Measurements | |
| Geology and geophysics | |
| Other geological/geophysical measurements | Description: geophys.instr. |
