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RRS Discovery D73_1
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D73_1 |
Cruise period | 1975-07-03 — 1975-08-26 |
Status | Completed |
Port of departure | Barry, United Kingdom |
Port of return | Southampton, United Kingdom |
Purpose | Research |
Objectives | 1) GLORIA Surveys of areas of the Mid-Atlantic Ridge
2) Joint Anglo-French seismic studies of the upper mantle north of the Azores 3) Earthquake studies at 45-46N 4) Magma chamber studies 5) Crustal studies of King's Trough 6) Stratigraphic section of the continental margin southwest of UK 7) Velocimeter 8) Passage Data |
Chief scientist | Anthony S Laughton (Institute of Oceanographic Sciences Wormley Laboratory) |
Project | GLORIA and Geophysical Studies on the Mid-Atlantic Ridge and North of the Azores |
Cruise report | (18.04 MB) (7.21 MB) |
Ocean/sea areas | |
General | North East Atlantic Ocean (limit 40W) |
Track charts | |
Measurements | |
Physical oceanography | |
Bathythermograph | |
Other physical oceanographic measurements | Quantity: number of profiles = 3 Description: sound velocity stations |
Meteorology | |
Routine standard measurements | |
Geology and geophysics | |
Multi-beam echosounding | |
Long/short range side scan sonar | Quantity: track kilometres = 5852 |
Single channel seismic reflection | |
Seismic refraction | Quantity: 6 |
Magnetic measurements | |
Other geological/geophysical measurements | Quantity: activity duration in days = 9 Description: Earthquake |