The main goal of RV Meteor expedition M186 was to investigate fluid dynamics on the Azores Plateau, Central North Atlantic Ocean. The work is systematic continuation of multiple expeditions (e.g. M113
For 7 pelagic sediment cores, the decrease in unsupported 130Th activity with depth in the core was used to establish the mean accumulation rate over the last 300 000 years. Because CaCO3 is a Mn-free
