RRS Shackleton S4/80 Legs 2-5 ((1981))

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Shackleton (74SF)
Cruise identifierS4/80 Legs 2-5 ((1981))
Cruise period1980-12-01 — 1981-03-23
Port of departureRio de Janeiro, Brazil
Port of returnRio de Janeiro, Brazil
ObjectivesThey were concerned with aspects of the tectonic evolution of the Scotia/ Weddell region. This is a large scale study, now nearing completion at the chosen level of detail. Thus, the wide distribution, apparent unrelatodress and peculiar shape of individual surveys stem partly from the distribution of existing data.
Chief scientistPeter F Barker (University of Birmingham Department of Geological Sciences)
Cruise reportRRS Shackleton S4/80 Legs 2-5 ((1981)) cruise report shackleton4_80.pdf (1.10 MB) 
Ocean/sea areas 
GeneralSouth Atlantic Ocean
Track chartsRRS Shackleton S4/80 Legs 2-5 ((1981)) cruise track — trk2775.html
Atmospheric chemistryDescription: the collection of total atmospheric particulates from the lower troposhere(leg 4 only)
Geology and geophysics 
DredgeQuantity: number of deployments = 61
Core - soft bottomQuantity: number of cores = 1
Multi-beam echosoundingQuantity: track kilometres = 19335
Single channel seismic reflectionQuantity: track kilometres = 8297
Gravity measurementsQuantity: track kilometres = 18816.32
Magnetic measurementsQuantity: track kilometres = 18557.04