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October 1, 2025Marine GeologyOpen Access

From impact to extinction to recovery: Discoveries of IODP-ICDP Expedition 364 to the Chicxulub impact structure

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Authors

SGS. P. S. GulickPKPim KaskesCLChristopher M. Lowery

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Overview

Expedition 364 reveals cratering processes and ecosystem recovery linked to the Chicxulub impact.

Key Points

  • The research aims to explore the geological and biological effects of the Chicxulub impact, emphasizing ecosystem recovery after the mass extinction.
  • Drilling into the peak ring of the Chicxulub impact structure at Site M0077.
  • Analysis of impactite processes and hydrothermal systems beneath the crater.
  • Investigation of marine ecosystem recovery post-impact.
  • Validated the dynamic collapse model of peak ring formation.
  • Confirmed the iridium anomaly linking the Chicxulub crater to the Cretaceous-Paleogene boundary.
  • Observed rapid recovery of marine life driven by picoplankton transitioning to planktic communities over 100,000 years.

Cite This Study

Gulick et al. (2025) studied this question.

synapsesocial.com/papers/6a1e0eed331f16ef469fcc0chttps://doi.org/10.1016/j.margeo.2025.107661
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1End of the Cretaceous2024 · 2 citations
  2. 2A long-lived impact-generated hydrothermal system at the Chicxulub impact structure2026 · 1 citations
  3. 3High‐Fidelity Cretaceous‐Paleogene Boundary Investigations: Records of Impact and Transport2025
  4. 4Seismic travel-time tomography under the peak ring of the Chicxulub impact crater2026
  5. 5Testimonies from Tethys:  Faunal and environment shifts across the Cretaceous–Paleogene boundary (KPB)2024