Sakmarian
General info
| Belongs to |
Cisuralian
|
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | proposed unit |
| Author | Ruzhenzev |
| Year | 1936 |
| Etymon | Sakmara river, Volga Federl District, Russia |
| Age top (Ma) | 290.1 |
| Age base (Ma) | 293.52 |
| Date added | 2003-04-03 |
| Date changed | 2022-11-04 |
| Reference | Content | Year1 | Pages | Remarks |
|---|---|---|---|---|
| Gradstein et al., 2004 |
2004
| |||
| Gradstein et al., 2012 |
2012
| 784 | ||
| Henderson et al., 2020 |
2020
| 875-902 |
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