Resources

RRS John Murray JM7/79

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM7/79
Cruise period1979-05-25 — 1979-06-07
StatusCompleted
Port of departureBarry, United Kingdom
Port of returnArdrossan, United Kingdom
PurposeResearch
ObjectivesTo obtain geophysical and geological data to assist the production of a geological map for the area of the Hebridean Shelf between 56-57N, 6-9W.
Chief scientistR J Whittington (University of Wales Aberystwyth Department of Geology)
Cruise reportRRS John Murray JM7/79 cruise report john_murray7_79.pdf (0.05 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRRS John Murray JM7/79 cruise track — trk2461.html
Measurements 
Geology and geophysics 
DredgeQuantity: number of deployments = 4
Core - rockQuantity: number of cores = 6
Single channel seismic reflectionQuantity: track kilometres = 1852
Gravity measurementsQuantity: track kilometres = 1666.8
Magnetic measurementsQuantity: track kilometres = 1666.8
Description: format: 0 means analogue trace.