Exploring the limitations of asteroid crater lakes as climate archives
Drill core from borehole taken in 1981 from the Nördlinger Ries. There are distinctive layers of light-colored dolomite between fine-layered dark sediments of the former crater lake. Credit: Gernot Arp, Göttingen University In southern Germany just north of the Danube, there lies a large circular depression between the hilly surroundings: the Nördlinger Ries. Almost 15