Sperus 2/77 Leg 4
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | Sperus (74TJ) |
| Cruise identifier | 2/77 Leg 4 |
| Cruise period | 1977-05-18 — 1977-05-31 |
| Status | Completed |
| Port of departure | Leith, United Kingdom |
| Port of return | Newcastle, United Kingdom |
| Purpose | Research |
| Objectives | Gravity survey: Area A.
Gravimeter, magentometer, echo-sounder and pinger 6 days carryinng out a detailed gravity survey for a commercial company (reported separately). S40 and S75 gravity meters. Normal gravity programme for the rest of the leg. |
| Chief scientist | Alan S Mould (Institute of Geological Sciences, Edinburgh) |
| Cruise report |  (14.75 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | North Sea |
| Track charts | (0.77 MB) (0.53 MB) |
| Measurements | |
| Geology and geophysics | |
| Single-beam echosounding | |
| Seismic refraction | |
| Gravity measurements | |
| Magnetic measurements |
