- Resources
- Inventories
- Cruise inventory
- Report
- 3125
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 | Description: basalt geochemistry |
Other geological/geophysical measurements | Quantity: track kilometres = 1666.8 Description: 3.5kHz |