RRS Charles Darwin CD34
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Charles Darwin (74AB) |
| Cruise identifier | CD34 |
| Cruise period | 1988-07-12 — 1988-08-11 |
| Status | Completed |
| Port of departure | Auckland, New Zealand |
| Port of return | Auckland, New Zealand |
| Purpose | Research |
| Objectives | To carry out geophysical investigations of an active spreading ridge in the southern Lau Basin. The experimental work on this cruise - which consisted of seismic and electromagnetic sounding experiments - was concentrated on a section of the Valu Fa ridge between 22 degees 09 mins South and 22 degrees 34 mins South. |
| Chief scientist | Martin C Sinha (University of Cambridge Department of Earth Sciences) |
| Cruise report |  (1.06 MB) |
| Ocean/sea areas | |
| General | South West Pacific Ocean (limit 140W) |
| Specific | Southern Lau Basin |
| Track charts |  |
| Measurements | |
| Geology and geophysics | |
| Single-beam echosounding | Quantity: track kilometres = 2700 |
| Single channel seismic reflection | Quantity: track kilometres = 1500 |
| Seismic refraction | |
| Gravity measurements | Quantity: track kilometres = 3700 |
| Magnetic measurements | Quantity: track kilometres = 1480 |
| Other geological/geophysical measurements | Quantity: number of experiments = 3 Description: electromagnetic soundings |
