RRS John Murray JM5/72 Leg 1
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS John Murray (74MJ) |
| Cruise identifier | JM5/72 Leg 1 |
| Cruise period | 1972-03-18 — 1972-03-27 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Oban, United Kingdom |
| Purpose | Research |
| Objectives | Intensive 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 scientist | T Fitton (University College London, Department of Geology) |
| Cruise report |  (0.39 MB) |
| Ocean/sea areas | |
| General | Inner Seas off the West Coast of Scotland North East Atlantic Ocean (limit 40W) |
| Specific | Hebrides and Rockall Torugh |
| Track charts | (0.06 MB) |
| Measurements | |
| Geology and geophysics | |
| Dredge | Quantity: number of stations = 10 |
| Grab | Quantity: number of stations = 7 Description: Shipek grabs |
| Core - soft bottom | Quantity: number of stations = 13 Description: including gravity cores |
| Single channel seismic reflection | Description: sparker, hydrophone array, magnetometer traverses |
| Seismic refraction | Quantity: number of track lines = 5 Description: test expendable sonobouys |
