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Report on ICDP Deep Dust workshops: probing continental climate of the late Paleozoic icehouse–greenhouse transition and beyond


Soreghan,  Gerilyn S.
External Organizations;

Beccaletto,  Laurent
External Organizations;

Benison,  Kathleen C.
External Organizations;

Bourquin,  Sylvie
External Organizations;


Feulner,  Georg
Potsdam Institute for Climate Impact Research;

Hamamura,  Natsuko
External Organizations;

Hamilton,  Michael
External Organizations;

Heavens,  Nicholas G.
External Organizations;

Hinnov,  Linda
External Organizations;

Huttenlocker,  Adam
External Organizations;

Looy,  Cindy
External Organizations;

Pfeifer,  Lily S.
External Organizations;

Pochat,  Stephane
External Organizations;

Sardar Abadi,  Mehrdad
External Organizations;

Zambito,  James
External Organizations;

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Soreghan, G. S., Beccaletto, L., Benison, K. C., Bourquin, S., Feulner, G., Hamamura, N., Hamilton, M., Heavens, N. G., Hinnov, L., Huttenlocker, A., Looy, C., Pfeifer, L. S., Pochat, S., Sardar Abadi, M., Zambito, J. (2020): Report on ICDP Deep Dust workshops: probing continental climate of the late Paleozoic icehouse–greenhouse transition and beyond. - Scientific Drilling, 28, 93-112.

Cite as: https://publications.pik-potsdam.de/pubman/item/item_24868
Chamberlin and Salisbury's assessment of the Permian a century ago captured the essence of the period: it is an interval of extremes yet one sufficiently recent to have affected a biosphere with near-modern complexity. The events of the Permian – the orogenic episodes, massive biospheric turnovers, both icehouse and greenhouse antitheses, and Mars-analog lithofacies – boggle the imagination and present us with great opportunities to explore Earth system behavior. The ICDP-funded workshops dubbed “Deep Dust,” held in Oklahoma (USA) in March 2019 (67 participants from nine countries) and Paris (France) in January 2020 (33 participants from eight countries), focused on clarifying the scientific drivers and key sites for coring continuous sections of Permian continental (loess, lacustrine, and associated) strata that preserve high-resolution records. Combined, the two workshops hosted a total of 91 participants representing 14 countries, with broad expertise. Discussions at Deep Dust 1.0 (USA) focused on the primary research questions of paleoclimate, paleoenvironments, and paleoecology of icehouse collapse and the run-up to the Great Dying and both the modern and Permian deep microbial biosphere. Auxiliary science topics included tectonics, induced seismicity, geothermal energy, and planetary science. Deep Dust 1.0 also addressed site selection as well as scientific approaches, logistical challenges, and broader impacts and included a mid-workshop field trip to view the Permian of Oklahoma. Deep Dust 2.0 focused specifically on honing the European target. The Anadarko Basin (Oklahoma) and Paris Basin (France) represent the most promising initial targets to capture complete or near-complete stratigraphic coverage through continental successions that serve as reference points for western and eastern equatorial Pangaea.