RRS Charles Darwin CD69
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Charles Darwin (74AB) |
| Cruise identifier | CD69 |
| Cruise period | 1992-06-11 — 1992-07-05 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Greenock, United Kingdom |
| Purpose | Research |
| Objectives | To collect a seismic expanding spread profile. Two ship exercise with Challenger 93/92, also a land party on Orkney |
| Chief scientist | Penny J Barton (University of Cambridge Department of Earth Sciences) |
| Ocean/sea areas | |
| General | North Sea North East Atlantic Ocean (limit 40W) |
| Specific | N UK continental shelf, NE Atlantic, N Sea |
| Track charts |  |
| Measurements | |
| Geology and geophysics | |
| Multi-beam echosounding | Quantity: track kilometres = 1852 Description: bathymetry along experiment line (7 35'W - 1 35'E, at 58 46'N) |
| Seismic refraction | Quantity: track kilometres = 370.4 Description: seismic refraction (explosive source) |
| Moorings, landers, buoys | |
| Geology and geophysics | |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 7° 10' 59" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 6° 47' 59" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 5° 15' 0" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 7° 34' 59" W — Moored digital seabed hydrophone packages, depl.16-18 Jun, rec.26 Jun - 1 Jul |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 4° 12' 0" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 1° 34' 59" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 2° 7' 0" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 2° 37' 0" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 6° 16' 59" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 5° 46' 0" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 4° 43' 0" W — |
| In-situ seafloor measurement/sampling | 58° 46' 0" N 3° 40' 59" W — |
