RRS Charles Darwin CD21
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Charles Darwin (74AB) |
| Cruise identifier | CD21 |
| Cruise period | 1987-03-10 — 1987-04-07 |
| Status | Completed |
| Port of departure | Victoria, Seychelles |
| Port of return | Port Louis, Mauritius |
| Purpose | Research |
| Objectives | The cruise programme consisted of two major elements. The first of these was a series of site surveys along the Mascarene Plateau for the closely following (May-July '87) drilling programme of the ODP Leg 115. The second element involved a multidisciplinary study of the structure, origins and evolution of the Rodrigues Ridge. |
| Chief scientist | Alistair N Baxter (City of London Polytechnic, Department of Geology) |
| Cruise report |  (1.41 MB) |
| Ocean/sea areas | |
| General | Indian Ocean |
| Specific | S. Indian Ocean |
| Track charts |  |
| Measurements | |
| Geology and geophysics | |
| Dredge | Quantity: number of deployments = 17 |
| Grab | |
| Core - soft bottom | Quantity: number of cores = 11 Description: physical & chemical analysis |
| Single-beam echosounding | Quantity: track kilometres = 1000 |
| Single channel seismic reflection | Quantity: track kilometres = 1000 |
| Gravity measurements | Quantity: track kilometres = 1852 |
| Magnetic measurements | Quantity: track kilometres = 1852 |
| Other geological/geophysical measurements | Description: paleomagnetism & rock magnetism, geochronology, paleontology |
| Other geological/geophysical measurements | Quantity: track kilometres = 1666.8 Description: 3.5kHz |
| Other geological/geophysical measurements | Description: basalt geochemistry |
