RRS John Murray JM11/68 Leg 1
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS John Murray (74MJ) |
| Cruise identifier | JM11/68 Leg 1 |
| Cruise period | 1968-11-21 — 1968-12-04 |
| Status | Completed |
| Port of departure | Plymouth, United Kingdom |
| Port of return | Plymouth, United Kingdom |
| Purpose | Research |
| Objectives | Gravity, Magnetic and Seismic survey in the Bay of Biscay |
| Chief scientist | F Gray (University of Cambridge Department of Earth Sciences) |
| Cruise report |  (0.28 MB) |
| Ocean/sea areas | |
| General | Bay of Biscay |
| Specific | Bay of Biscay |
| Track charts | (0.02 MB) |
| Measurements | |
| Biology and fisheries | |
| Gear research | Description: winch trials |
| Gear research | Description: refraction sonobuoy, P.D.R. fish and magnetometer testing |
| Geology and geophysics | |
| Seismic refraction | Quantity: number of profiles = 2 Description: refraction lines |
| Gravity measurements | Quantity: number of profiles = 2 Description: gravity and magnetic traverse |
| Magnetic measurements | Quantity: number of profiles = 2 Description: gravity and magnetic traverse |
