Resources

Researcher 5B/71 Leg2

Cruise summary report

Cruise Info. 
Ship name (ship code)Researcher (3175)
Cruise identifier5B/71 Leg2
Cruise period1971-08-07 — 1971-08-15
StatusCompleted
Port of departureStornoway, United Kingdom
Port of returnBarry, United Kingdom
PurposeResearch
ObjectivesContinue geophysical investigations west to the Shetland-Hebridean region. Main objective is to complete the work originally intented for the 1970 cruise.

Observe a series of east-west geophysical lines. Investigatethe structure of the region to the west of the margin, emphasis on the structure of the Wyville-Thomson Ridge and the region between Bailey Bank and the margin.
Chief scientistE M Himsworth (University of Durham, Department of Geological Sciences)
Cruise reportResearcher 5B/71 Leg2 cruise report researcher5b_71.pdf (0.26 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificWest of the Hebrides and Shetland
Track chartsResearcher 5B/71 Leg2 cruise track — researcher5b_71trk.pdf (0.03 MB) 
Measurements 
Geology and geophysics 
Single channel seismic reflectionQuantity: number of surveys = 27
Description: geophysical lines- sparker
Gravity measurementsQuantity: number of surveys = 27
Description: geophysical lines - gravimeter
Magnetic measurementsQuantity: number of surveys = 27
Description: geophysical lines- magnetometer
Other geological/geophysical measurementsQuantity: number of surveys = 27
Description: geophysical lines- bathymetry