Aseri Stage
General info
| 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 |
Stratotypes
| Locality | Type | From (m)1 | To (m)2 | Reference | Remarks |
|---|---|---|---|---|---|
| Aseri quarry |
holostratotype
| Rõõmusoks, 1970a | |||
| Sirtsisoo 526 borehole |
hypostratotype
| 79.95 | 83.65 | Männil & Saadre, 1987 |
| Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age base (Ma) | Age top (Ma) | Age |
|---|---|---|---|---|---|---|---|---|---|
| Aseri Formation |
lithostratigraphy
|
Formation
|
regional
| Baltic lithostratigraphy (Ordovician) |
Aseri Stage
| ||||
| Malla Member | BIIICIbK'M | O2knM |
lithostratigraphy
|
Member
|
regional
| Kandle Formation |
Aseri Stage
| ||
| Ojaküla Member | BIII-CIbK'O | O2knO |
lithostratigraphy
|
Member
|
regional
| Kandle Formation |
Aseri Stage
| ||
| Segerstad Formation | O2sg |
lithostratigraphy
|
Formation
|
regional
| Baltic lithostratigraphy (Ordovician) |
Aseri Stage
|
Browse Geocollections
Partners
