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Cruise inventory

RRS John Murray JM6/68 Leg 2

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM6/68 Leg 2
Cruise period1968-05-21 — 1968-06-03
Port of departurePlymouth, United Kingdom
Port of returnPlymouth, United Kingdom
ObjectivesObtain information about the solid geology of the sea-floor between Lyme Bay and the Straits of Dover. Achieved by: sampling with a gravity corer; continuous reflection profiling; magnetic traverses.
Chief scientistAndrew J Smith (University College London, Department of Geology)
Cruise reportRRS John Murray JM6/68 Leg 2 cruise report john_murray3_68.pdf — access key 'C' (0.12 MB) 
Ocean/sea areas 
GeneralEnglish Channel
SpecificEnglish Channel
Track chartsRRS John Murray JM6/68 Leg 2 cruise track — john_murray3_68trk.pdf (0.04 MB) 
Geology and geophysics 
GrabDescription: several sediment samples
Geophysical measurements made at depthDescription: continuous depth, seismic and magentic properties of the sub-bottom made
Seismic refractionQuantity: number of surveys = 1
Description: seismic survey
Magnetic measurementsDescription: series of north and south magnetic traverses
Other geological/geophysical measurementsQuantity: track kilometres = 2100
Description: (1300 nautical miles) 'Egerton' Sparker records