Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RRS Discovery D73_1

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD73_1
Cruise period1975-07-03 — 1975-08-26
Port of departureBarry, United Kingdom
Port of returnSouthampton, United Kingdom
Objectives1) 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 scientistAnthony S Laughton (Institute of Oceanographic Sciences Wormley Laboratory)
ProjectGLORIA and Geophysical Studies on the Mid-Atlantic Ridge and North of the Azores
Cruise reportRRS Discovery D73_1 cruise report d73.pdf — access key 'C' (18.04 MB)  RRS Discovery D73_1 cruise report d73_data_report.pdf (7.21 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRRS Discovery D73_1 cruise track — trk1462.html
Physical oceanography 
Other physical oceanographic measurementsQuantity: number of profiles = 3
Description: sound velocity stations
Routine standard measurements
Geology and geophysics 
Multi-beam echosounding
Long/short range side scan sonarQuantity: track kilometres = 5852
Single channel seismic reflection
Seismic refractionQuantity: 6
Magnetic measurements
Other geological/geophysical measurementsQuantity: activity duration in days = 9
Description: Earthquake