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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 |