Sperus 7/77 Leg 11
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | Sperus (74TJ) |
| Cruise identifier | 7/77 Leg 11 |
| Cruise period | 1977-08-26 — 1977-09-05 |
| Status | Completed |
| Port of departure | Lerwick, United Kingdom |
| Port of return | Dundee, United Kingdom |
| Objectives | Geological and geophysical mapping of the UK Continental Shelf.
Little work was achieved due to bad weather. Gravity measurements were made on all lines which will be incorporated in a gravity map of the North Sea. |
| Chief scientist | Michael C Tully (Institute of Geological Sciences, Edinburgh) |
| Cruise report |  (18.20 MB) |
| Ocean/sea areas | |
| General | North Sea Norwegian Sea North East Atlantic Ocean (limit 40W) |
| Specific | North Sea |
| Track charts | (0.39 MB) (0.21 MB) (0.70 MB) |
| Measurements | |
| Geology and geophysics | |
| Single-beam echosounding | Description: regional geophysical survey |
| Long/short range side scan sonar | Description: regional geophysical survey |
| Single channel seismic reflection | Description: pinger; regional geophysical survey |
| Multichannel seismic reflection | Description: wide angle reflection.Format: seismic graphic recorder. Regional geophysical survey |
| Gravity measurements | Description: regional geophysical survey |
| Magnetic measurements | Description: regional geophysical survey |
