Pakri Formation
General info
| Belongs to |
Baltic lithostratigraphy (Ordovician)
|
| Type | lithostratigraphy |
| Rank | Formation |
| Scope | regional |
| Status | formal standard |
| Author | Öpik |
| Year | 1927 |
| Etymon | Pakri, island (E) |
| Original locality | Pakri cliff |
| Age (Ma) |
Kunda Stage
|
| Index | BIIIP |
| Alt. index | O2pk |
| Date added | 2009-10-02 |
| Date changed | 2022-12-01 |
Stratotypes
| Locality | Type | From (m)1 | To (m)2 | Reference | Remarks |
|---|---|---|---|---|---|
| Pakri Cape Cliff |
holostratotype
| Rõõmusoks, 1983 |
| Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age base (Ma) | Age top (Ma) | Age |
|---|---|---|---|---|---|---|---|---|---|
| Osmussaare Member | BIIIP'O | O2pkO |
lithostratigraphy
|
Member
|
regional
| Pakri Formation |
Kunda Stage
| ||
| Suurupi Member | BIIIP'S | O2pkS |
lithostratigraphy
|
Member
|
regional
| Pakri Formation |
Kunda Stage
|
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