Sandbian
General info
| Belongs to |
Upper Ordovician
|
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | global |
| Status | formal standard |
| Author | Bergström et al. |
| Year | 2003 |
| Etymon | South Sandby Commune, Scania, Sweden |
| Original locality | Fågelsang outcrop, Scania |
| Age top (Ma) | 453 |
| Age base (Ma) | 458.4 |
| Date added | 2003-04-02 |
| Date changed | 2022-11-04 |
Stratotypes
| Locality | Type | From (m)1 | To (m)2 | Reference | Remarks |
|---|---|---|---|---|---|
| Fågelsång outcrop, Sweden |
boundary stratotype
|
| Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age base (Ma) | Age top (Ma) | Age |
|---|---|---|---|---|---|---|---|---|---|
| Kukruse Stage | CII | O3KK |
chronostratigraphy
|
Stage
|
regional
| Purtse Subseries | 460.9 | 458.2 |
Sandbian
|
| Haljala Stage | CIII/DI | O3HL |
chronostratigraphy
|
Stage
|
regional
| Kurna Subseries | 458.2 | 456.2 |
Sandbian
|
| Idavere Substage | CIII |
chronostratigraphy
|
Substage
|
regional
| Haljala Stage |
Sandbian
| |||
| Ojamaa |
chronostratigraphy
|
regional
| Idavere Substage |
Sandbian
| |||||
| Shundorovo |
chronostratigraphy
|
regional
| Idavere Substage |
Sandbian
| |||||
| Jõhvi Substage | DI |
chronostratigraphy
|
Substage
|
regional
| Haljala Stage |
Sandbian
|
Description
GSSP paikneb Sularp Brook, Fågelsång, Rootsis, 1,4 m allpool fosforiidid marker bed in the E14b outcrop, langeb kokku graptoliidid Nemagraptus gracilis esmailmumisega; ratifitseeritud 2002.
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