RRS Challenger CH7/84
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Challenger (74CH) |
| Cruise identifier | CH7/84 |
| Cruise period | 1984-09-19 — 1984-10-04 |
| Status | Completed |
| Port of departure | Falmouth, United Kingdom |
| Port of return | Falmouth, United Kingdom |
| Purpose | Research |
| Objectives | 1. Measure the bottom currents over the Fan.
2. Map the distribution and morphology of the sediments. 3. Examine the nature of the sediment surface. 4. Determine the shallow sequence of sediments in the fan. |
| Chief scientist | Douglas Hamilton (University of Bristol Geology Department) |
| Cruise report |  (0.37 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | N. Bay of Biscay |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Current meters | Quantity: number of deployments = 12 Description: 14 cms deployed and recovered;12 moorings laid |
| Geology and geophysics | |
| Grab | Quantity: number of samples = 12 |
| Core - soft bottom | Description: physical analysis |
| Bottom photography | Quantity: number of deployments = 6 Description: stereo+time lapse cine. |
| Single-beam echosounding | Quantity: track kilometres = 740.8 Description: '0'=5 1/4 inch floppy disc |
| Single channel seismic reflection | Quantity: track kilometres = 677.832 |
