They 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.
Peter F Barker (University of Birmingham Department of Geological Sciences)
South Atlantic Ocean
Description: the collection of total atmospheric particulates from the lower troposhere(leg 4 only)