Cruise inventory

RRS John Murray JM12A/75

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM12A/75
Cruise period1975-08-29 — 1975-09-08
ObjectivesIGS 12A/75
Chief scientistJ M Miller (Institute of Geological Sciences, Keyworth)
Ocean/sea areas 
GeneralNorth Sea
Geology and geophysics 
DredgeQuantity: number of deployments = 6
Description: cone
Core - rockQuantity: number of cores = 24
Multi-beam echosoundingQuantity: track kilometres = 674
Long/short range side scan sonarQuantity: track kilometres = 674
Description: MS47
Seismic refractionQuantity: track kilometres = 674
Description: sparker
Other geological/geophysical measurementsQuantity: track kilometres = 674
Description: pinger, seabed gamma spectrometry