Impact fingerprints of the 4 kyr BP dust event based on archaeological, soil, lake and marine archives

• Main Authors: Courty, M. A., Cortese, Giuseppe, Crisci, A., Crosta, X., De Wever, P., Fedoroff, M., Guichard, F., Mermoux, M., Smith, D., Thiemens, M. H.
• Format: Conference Object
• Language: unknown
• Published: 2007
• Subjects: Antarc*; Antarctic; Heard Island
• Online Access: https://epic.awi.de/id/eprint/16964/; https://epic.awi.de/id/eprint/16964/1/Cou2007a.pdf; https://hdl.handle.net/10013/epic.26811; https://hdl.handle.net/10013/epic.26811.d001

The 4 kyr BP impact event has been identified from deep-sea, soil and archaeological records as the worldwide pulverisation of a volatile-rich debris jet(1). High resolution sequences show two stages of ejecta fallout linked to the impact-triggered doublet gaseous regime(2): scattered solid debris a...