Cruise inventory

RRS John Murray JM12/74

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM12/74
Cruise period1974-09-02 — 1974-09-17
StatusCompleted
ObjectivesMarine geology studies in the Rockall Trough and Porcupine Bight.
Chief scientistDrummond Hoyle Matthews (University of Cambridge Department of Earth Sciences)
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRRS John Murray JM12/74 cruise track — trk1417.html
Measurements 
Geology and geophysics 
Multi-beam echosoundingQuantity: track kilometres = 1111
Single channel seismic reflectionQuantity: track kilometres = 93
Seismic refractionQuantity: track kilometres = 93