RRS John Murray JM4/80

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM4/80
Cruise period1980-06-03 — 1980-06-17
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
ObjectivesTo obtain the samples of rock from a number of shoals in the Malin/Hebridean Seas using a team of diving geologists. The main thrust of the investigation was being directed towards the Blackstones Bank Igneous centre, the age of which is in dispute and the Stanton Banks which had not previously been dived upon.
Chief scientistR J Whittington (University of Wales Aberystwyth Department of Geology)
Cruise reportRRS John Murray JM4/80 cruise report john_murray4_80.pdf (0.07 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRRS John Murray JM4/80 cruise track — trk2462.html
Geology and geophysics 
In-situ seafloor measurement/samplingQuantity: number of dives = 18
Description: sampling by divers
Multi-beam echosounding