Cited by 63Paleontology and Stratigraphy of FossilsGeological and Geochemical AnalysisGeology and Paleoclimatology Research

GSSPs, global stratigraphy and correlation

Smith, Alan G., Barry, Tiffany, Bown, Paul, Cope, John, Gale, Andy, Gibbard, Philip, Gregory, John, Hounslow, Mark +7 more·2015·Geological Society, London, Special Publications

Abstract

Procedures used to define an international chronostratigraphic stage boundary and to locate and ratify a Global Boundary Stratotype Section and Point (GSSP) are outlined. A majority of current GSSPs use biostratigraphic data as primary markers with no reference to any physico-chemical markers, despite the International Subcommission on Stratigraphic Classification (ISSC) suggestion that such markers should be included if possible. It is argued that such definitions will not produce the high-precision Phanerozoic time scale necessary to understand such phenomena as pre-Pleistocene ice ages and global climate change. It is strongly recommended that all GSSPs should have physico-chemical markers as an integral part of their guiding criteria, and where such markers cannot be found, the GSSP should be relocated. The methods and approach embodied in oceanic stratigraphy – coring, logging, analysing and archiving of drill sites by numerous experts using a wide range of methods – could usefully serve as a scientific model for the analysis and archiving of GSSPs, all of which are on the present-day continents. The incorporation of many more stratigraphic sections into GSSP studies, the application of physico-chemical methods, and the replacement of old U–Pb dates by newer CA-TIMS U–Pb dates, together with the use of constrained optimization (CONOP) programs that produce a calendar of events from many sections, should lead to much more precise timescales for pre-Cenozoic time than are currently available.

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Crossref · 10.1144/sp404.8

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Authors
Smith, A. G., Barry, T., Bown, P., Cope, J., Gale, A., Gibbard, P., Gregory, J., Hounslow, M., Kemp, D., Knox, R., Marshall, J., Oates, M., Rawson, P., Powell, J., & Waters, C.
Affiliations
  • University of Cambridge (GB)
  • University of Leicester (GB)
  • University College London (GB)
  • National Museum Wales (GB)
  • University of Portsmouth (GB)
  • PetroStrat Ltd., 33 Royston Rd., St. Albans, AL1 5NF, UK
  • Lancaster University (GB)
  • 170 Main Street, Asfordby, LE14 3TT, UK
  • National Oceanography Centre (GB)
  • BG Group (United Kingdom) (GB)
  • University of Hull (GB)
  • British Geological Survey (GB)
Venue
Geological Society, London, Special Publications
Published
2014-04-30
Volume
404
Issue
1
Pages
37-67
ISSN
  • 0305-8719 (ISSN-L)
  • 2041-4927
OpenAlex
W2169403095
Cited by
63
References
182
Citations by year
2026: 2 · 2025: 3 · 2024: 4 · 2023: 2 · 2022: 8 · 2021: 4 · 2020: 8 · 2019: 5 · 2018: 6 · 2017: 8 · 2016: 4 · 2015: 7 · 2014: 2
FWCI
5.11
Type
journal article
Language
en
Open access
closed
Locations
  • Geological Society London Special Publications (publishedVersion)
  • Lancaster EPrints (Lancaster University) (submittedVersion)
  • ePrints Soton (University of Southampton) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
Natural Environment Research Council (bgs05001)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
  • Physical Sciences › Earth and Planetary Sciences › Geophysics › Geological and Geochemical Analysis
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Geology and Paleoclimatology Research
Keywords
GSSP, biostratigraphic markers, U-Pb geochronology, constrained optimization, stratigraphic correlation, climate change

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