RRS John Murray JM6/77

Cruise summary report

Cruise Info.
Ship name (ship code)	RRS John Murray (74MJ)
Cruise identifier	JM6/77
Cruise period	1977-05-29 — 1977-06-17
Status	Completed
Chief scientist	J M Miller (Institute of Geological Sciences, Keyworth)
Ocean/sea areas
General	North Sea Norwegian Sea
Measurements
Geology and geophysics
Dredge	Quantity: number of deployments = 50 Description: Cone
Grab	Quantity: number of samples = 50 Description: Shipek
Core - soft bottom	Quantity: number of cores = 50
Multi-beam echosounding	Quantity: track kilometres = 1335
Long/short range side scan sonar	Quantity: track kilometres = 1335 Description: MS47
Single channel seismic reflection	Quantity: track kilometres = 1335 Description: Pinger
Seismic refraction	Quantity: track kilometres = 1335 Description: Sparker
Other geological/geophysical measurements	Quantity: track kilometres = 978 Description: Seabed gamma spectrometry