Cruise inventory

RRS John Murray JM15/74

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM15/74
Cruise period1974-11-15 — 1974-12-03
StatusCompleted
Objectives15/74 IGS
Chief scientistJ M Miller (Institute of Geological Sciences, Keyworth)
Ocean/sea areas 
GeneralNorth Sea
Irish Sea and St. George's Channel
Measurements 
Geology and geophysics 
DredgeQuantity: number of deployments = 24
GrabQuantity: number of samples = 24
Description: Shipek
Multi-beam echosoundingQuantity: track kilometres = 583
Long/short range side scan sonarQuantity: track kilometres = 583
Description: MS47
Seismic refractionQuantity: track kilometres = 583
Description: Sparker
Other geological/geophysical measurementsQuantity: track kilometres = 583
Description: Pinger
Other geological/geophysical measurementsQuantity: track kilometres = 583
Description: Seabed gammma spectrometry