Kurna Subseries
General info
| Belongs to |
Viru Series
|
| Type | chronostratigraphy |
| Rank | Subseries |
| Scope | regional |
| Status | formal standard |
| Author | Männil |
| Year | 1958 |
| Age top (Ma) | 454.2 |
| Age base (Ma) | 458.2 |
| Age (Ma) |
Upper Ordovician
|
| Age reference | Cooper & Sadler, 2004 |
| Date added | 2011-07-20 |
| Date changed | 2012-01-06 |
| Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age base (Ma) | Age top (Ma) | Age |
|---|---|---|---|---|---|---|---|---|---|
| Haljala Stage | CIII/DI | O3HL |
chronostratigraphy
|
Stage
|
regional
| Kurna Subseries | 458.2 | 456.2 |
Sandbian
|
| Keila Stage | DII | O3KL |
chronostratigraphy
|
Stage
|
regional
| Kurna Subseries | 456.2 | 454.2 |
Upper Ordovician
|
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