Lake Ice Rafted Debris in Deep Time Lacustrine Archives: A New Proxy for Ancient Continental Freezing

Clara Chang1, Sean Kinney1, Yanan Fang2, Paul E Olsen1 and Jingeng Sha2, (1)Lamont-Doherty Earth Observatory, Palisades, United States, (2)State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Paleontology and Center for Excellence in Life and Paleoenvironment, Nanjing, China