Stratigraphy
Kärdla Formation
| Belongs to | Baltic lithostratigraphy (Ordovician) |
| Type | lithostratigraphy |
| Rank | Formation |
| Scope | local |
| Status | proposed unit |
| Author | Suuroja et al. |
| Year | 1991 |
| Etymon | Kärdla town in Hiiumaa, Estonia |
| Original locality | Soovälja 1 puurauk |
| Age (Ma) | Haljala Stage |
| Alt. index | O3krd |
| Date added | 2013-11-14 |
| Date changed | 2014-11-27 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Soovälja K1 borehole | holostratotype | 301.2 | 588.5 | Põldvere, Anne, 2002 (ed) | Suuroja et al. 1991 (unpublished report on geological mapping) |
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