Stratigraphy
Juuru Stage
| Belongs to | lower Silurian |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | regional |
| Status | formal standard |
| Author | Schmidt |
| Year | 1858 |
| Etymon | Juuru set. |
| Original locality | Estonia, Rapla distr. |
| Age top (Ma) | 441 |
| Age base (Ma) | 443.7 |
| Age (Ma) | Rhuddanian |
| Age reference | Melchin et al., 2004 |
| Index | G1-2 |
| Alt. index | S1JR |
| Date changed | 2014-11-28 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Juuru stratotype outcrop | holostratotype | Schmidt, 1858a | Põlma päeviku nr 1 (1981) andmetel hävinud | |||
| Juuru 335 borehole | neostratotype | 0.4 | 16.2 | Nestor, H. & Kala, 1968 | lisaks Nestor, H., 1987 |
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