Stratigraphy
Varangu Stage
| Belongs to | Iru Subseries |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | regional |
| Status | formal standard |
| Author | Männil in Aaloe et al. |
| Year | 1958 |
| Age top (Ma) | 483.4 |
| Age base (Ma) | 486.2 |
| Age (Ma) | Tremadocian |
| Age reference | Cooper & Sadler, 2004 |
| Index | AIII |
| Alt. index | O1VR |
| Date changed | 2014-11-28 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
holostratotype | Heinsalu, H., 1987 | Selja river bank |
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