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RRS Discovery D33_1
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D33_1 |
| Cruise period | 1970-04-14 — 1970-05-01 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Ponta Delgada, Portugal |
| Purpose | Research |
| Objectives | 1) Seismic surveying of proposed sites for JOIDES deep sediment drilling in the Hatton-Rockall Basin and Rockall Trough
2) To obtain geophysical and geological information about King's Trough and its relationship to seafloor spreading occuring to the west on the mid-Atlantic Ridge. |
| Chief scientist | Anthony S Laughton (National Institute of Oceanography) |
| Cruise report | |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | Rockall; King's Trough |
| Track charts | |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Description: T surface only.(measurements over two legs) |
| Other physical oceanographic measurements | Quantity: number of profiles = 2 Description: sound velocity stations. (measurements over two legs) |
| Meteorology | |
| Incident radiation | Description: (measurements over two legs) |
| Occasional standard measurements | Description: (measurements over two legs) |
| Geology and geophysics | |
| Dredge | Quantity: number of deployments = 9 Description: (measurements over two legs) |
| Core - rock | Quantity: 3 Description: (measurements over two legs) |
| Bottom photography | Quantity: 1 Description: (measurements over two legs) |
| Multi-beam echosounding | Description: (measurements over two legs) |
| Single channel seismic reflection | Quantity: track kilometres = 1284 Description: (measurements over two legs) |
| Seismic refraction | Quantity: 3 Description: (measurements over two legs) |
| Magnetic measurements | Description: (measurements over two legs) |


