Aseri Stage
| Belongs to | Purtse Subseries |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | regional |
| Status | formal standard |
| Author | Bekker |
| Year | 1922 |
| Etymon | Aseri, place in NE Estonia |
| Original locality | Aseri, NE Estonia |
| Age top (Ma) | 463 |
| Age base (Ma) | 463.8 |
| Age (Ma) | Darriwilian |
| Age reference | Cooper & Sadler, 2004 |
| Index | CIa |
| Alt. index | O2AS |
| Date changed | 2023-01-08 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Aseri quarry | holostratotype | Rõõmusoks, 1970a | ||||
| Sirtsisoo 526 borehole | hypostratotype | 79.95 | 83.65 | Männil & Saadre, 1987 |
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