RRS Shackleton S4/77
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Shackleton (74SF) |
| Cruise identifier | S4/77 |
| Cruise period | 1977-03-25 — 1977-04-12 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Plymouth, United Kingdom |
| Purpose | Research |
| Objectives | To complete the central and eastern most part of a larger survey designed to investigate the geological structure and history of the continental margin. Most specifically, detailed information on variation in the gravity and magnetic fields and the sediment distribution and crustal structures were sought. In addition, we wished to sample the geological basement and the overlying consolidated sedimentary rocks. |
| Chief scientist | Roger A Scrutton (University of Edinburgh Department of Geology) |
| Cruise report |  (0.09 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Track charts |  |
| Measurements | |
| Geology and geophysics | |
| Dredge | Quantity: number of deployments = 5 |
| Core - rock | Quantity: 2 |
| Core - soft bottom | Quantity: number of cores = 23 |
| Multi-beam echosounding | Quantity: track kilometres = 2296 |
| Single channel seismic reflection | Quantity: track kilometres = 1795 |
| Gravity measurements | Quantity: track kilometres = 2016.828 |
| Magnetic measurements | Quantity: track kilometres = 1794.588 |
