Chronostratigraphy

The branch of stratigraphy that organises rocks by age (systems, series, stages), as opposed to lithostratigraphy, which organises them by rock type (groups, formations, members). A formation can span more than one stage.

Sources

International Commission on Stratigraphy — International Stratigraphic Guide (abridged)
North American Commission on Stratigraphic Nomenclature — North American Stratigraphic Code (2005)

Cite this article

Stratum Strata. "Chronostratigraphy" (Glossary). Stratum Strata pack 2026.09, as of 2026-09-16. https://stratum.black/strata/glossary/chronostratigraphy. Accessed 2026-09-21.

BibTeX · CSL-JSON

@misc{stratum-chronostratigraphy,
  title        = {Chronostratigraphy},
  author       = {{Stratum Strata}},
  howpublished = {\url{https://stratum.black/strata/glossary/chronostratigraphy}},
  year         = {2026},
  note         = {Glossary article, Stratum Strata pack 2026.09, as of 2026-09-16; sources: stratum. Accessed 2026-09-21.}
}

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