A North Atlantic tephrostratigraphical framework for 130-60 ka b2k: new tephra discoveries, marine based-correlations, and future challenges

Siwan M. Davies, Peter M. Abbott, Rhian H. Meara, Nicholas J.G. Pearce, Mark Chapman, William E.N Austin, Anders Svensson, Matthias Bigler, Tine L. Rasmussen, Sune O. Rasmussen, Elizabeth J. Farmer