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International Congress on Stratigraphy

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International Congress on Stratigraphy
NameInternational Congress on Stratigraphy
AbbreviationICS Congress
DisciplineStratigraphy
Established20th century
FrequencyIrregular / linked to International Union of Geological Sciences events

International Congress on Stratigraphy is a recurring assembly that brings together representatives of the International Commission on Stratigraphy, geologists from the International Union of Geological Sciences, stratigraphers affiliated with the Geological Society of London, paleontologists from the Paleontological Association, and sedimentologists connected to the Society for Sedimentary Geology. The Congress functions as a focal point for discussion among delegates from national bodies such as the United States Geological Survey, the British Geological Survey, the Geological Survey of Canada, and university research groups at institutions like University of Cambridge, University of Oxford, and Harvard University. It convenes plenary sessions, working groups, and field excursions attended by specialists from organizations including the International Geological Congress, the European Geosciences Union, and the American Geophysical Union.

History

The Congress traces its roots to early 20th‑century meetings linked to the International Geological Congress and the formation of the International Union of Geological Sciences, where figures from the Royal Society and the Académie des sciences coordinated stratigraphic initiatives. Early participants included scientists affiliated with the Geological Society of London, the Royal Society of Edinburgh, and the Deutsche Geologische Gesellschaft; later gatherings featured delegations from the Soviet Academy of Sciences, the National Academy of Sciences (United States), and the Chinese Academy of Sciences. Over time, conferences have been hosted in cities such as Paris, London, Madrid, Tokyo, and Beijing, with field excursions to regions like the Paris Basin, the London Basin, the Sichuan Basin, and the Appalachian Mountains. Landmark milestones at these meetings intersected with decisions from panels including the International Commission on Stratigraphy and commissions of the International Union of Geological Sciences.

Organization and Governance

Governance of the Congress has typically involved coordination among the International Commission on Stratigraphy, the International Union of Geological Sciences, national geological surveys such as the Geological Survey of Canada and the British Geological Survey, and academic hosts like University of Oxford and Sorbonne University. Steering committees have included representatives from learned societies including the Geological Society of America, the Geological Society of London, and the European Geosciences Union, with secretariats sometimes provided by hosts such as the National Museum of Natural History (France) or the Smithsonian Institution. Organizational decisions—venue selection, scientific programs, and field trips—are often informed by working groups connected to the International Chronostratigraphic Chart, the International Geologic Time Scale, and the Commission Internationale de Stratigraphie.

Congress Sessions and Symposia

Congress sessions encompass plenaries, thematic symposia, poster sessions, and field excursions featuring research from teams at Stanford University, Massachusetts Institute of Technology, University of California, Berkeley, ETH Zurich, and University of Tokyo. Past symposia have addressed topics linked to the Cambrian Explosion, Cretaceous–Paleogene boundary, Permian–Triassic extinction event, and stratigraphic applications in basins such as the North Sea, the Gulf of Mexico, and the Sichuan Basin. Sessions frequently include collaboration with committees from the International Paleontological Association, the International Sedimentological Society, and organizations like the United Nations Educational, Scientific and Cultural Organization when fieldwork intersects with geoparks such as the Fingal's Cave or sites like the Burgess Shale and Chengjiang.

International Commission on Stratigraphy Relationship

The Congress maintains a close operational relationship with the International Commission on Stratigraphy, which provides scientific guidance, chairpersons from commissions such as the Global Boundary Stratotype Section and Point panels, and ratification of chronostratigraphic proposals. The International Commission on Stratigraphy liaises with national bodies like the Geological Survey of India, the Geological Survey of Japan, and the Australian Geological Survey Organisation to implement standards agreed at Congress sessions, and cooperates with the International Union of Geological Sciences and the International Geological Congress on nomenclature and boundary definitions.

Major Decisions and Publications

Major outcomes of Congress meetings have included endorsements of proposals that influenced the International Chronostratigraphic Chart, revisions to the International Geologic Time Scale, and publications distributed by publishers such as Cambridge University Press, Elsevier, and Springer Nature. Decisions at these meetings have affected formal definitions for boundaries like those at the GSSP localities for the Cambrian, Ordovician, Silurian, and Devonian systems, and influenced compendia published in journals including the Journal of the Geological Society, Geology (journal), and the GSA Bulletin. Proceedings and special volumes have been produced in collaboration with institutions such as the Natural History Museum, London, the Smithsonian Institution, and the Muséum national d'Histoire naturelle.

Membership and Participation

Participants include delegates from national academies such as the National Academy of Sciences (United States), the Royal Society, and the Chinese Academy of Sciences, representatives from professional societies like the Geological Society of America, the Geological Society of London, the Paleontological Association, and contributors from universities including University of Cambridge, University of Oxford, Imperial College London, University of Toronto, and University of Melbourne. Industry stakeholders from corporations such as Shell, ExxonMobil, and BP have attended, alongside NGOs and heritage organizations like UNESCO when stratigraphic sites overlap with geoparks or world heritage designations.

Impact on Stratigraphic Standards and Nomenclature

Decisions and workshops held at the Congress have strongly influenced stratigraphic standards promulgated by bodies such as the International Commission on Stratigraphy and the International Union of Geological Sciences, shaping nomenclature adopted in the International Chronostratigraphic Chart and the International Geologic Time Scale. Resolutions have impacted the selection of GSSP sections, standardized terminology used by the Geological Society of America and the Geological Society of London, and guided integration of biostratigraphy from taxa documented in the Burgess Shale, Chengjiang, and Monte San Giorgio with chemostratigraphic and magnetostratigraphic frameworks developed by teams at ETH Zurich and MIT.

Category:Stratigraphy