Glossary · Time
Stage
The chronostratigraphic unit that matches an age of geological time; the finest rank on the ICS chart (Maastrichtian, Ypresian, Frasnian).
The chronostratigraphic unit that matches an age of geological time; the finest rank on the ICS chart (Maastrichtian, Ypresian, Frasnian). Stages are what a good specimen label gives after the period.
Sources
Cite this article
Stratum Strata. "Stage" (Glossary). Stratum Strata pack 2026.09, as of 2026-09-16. https://stratum.black/strata/glossary/stage. Accessed 2026-09-21.
@misc{stratum-stage,
title = {Stage},
author = {{Stratum Strata}},
howpublished = {\url{https://stratum.black/strata/glossary/stage}},
year = {2026},
note = {Glossary article, Stratum Strata pack 2026.09, as of 2026-09-16; sources: stratum. Accessed 2026-09-21.}
} Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.