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

Cruise inventory

RRS John Murray JM11/73

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM11/73
Cruise period1973-11-09 — 1973-11-29
ObjectivesIGS,(Bad weather,many instrument breakdowns.)
Chief scientistJ M Miller (Institute of Geological Sciences, Keyworth)
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
Physical oceanography 
Geochemical tracers (eg freons)Quantity: track kilometres = 620
Description: Seabed gamma spectrometry
Geology and geophysics 
DredgeQuantity: number of deployments = 28
Description: Cone
GrabQuantity: number of samples = 28
Description: Shipek
In-situ seafloor measurement/samplingQuantity: track kilometres = 620
Description: Sparker
Multi-beam echosoundingQuantity: track kilometres = 620
Long/short range side scan sonarQuantity: track kilometres = 620
Description: MS47