Jalaka borehole
General info
| Name | Jalaka borehole |
| Type | borehole (section) |
| Country | Estonia |
| Parish | Tudulinna |
| Settlement | Lemmaku |
| Latitude | 59.019763 |
| Longitude | 27.104844 |
| Coordinate precision | 100-1000 m |
| Coord. method | Est Land Board map server |
| Coord. agent | Aaloe, Aasa |
| Location remarks | Puurauk asub Rannapungerja jõe vasakul kaldal, Roostoja suudmest (paremal kaldal) veidi allavoolu. Koordinaadid orienteerimiseks |
| Strat. top |
Nabala Stage
|
| Strat. base |
Tiskre Formation
|
| Date changed | 2019-06-28 |
| Reference | Pealkiri | Pages | Remarks |
|---|---|---|---|
| Rõõmusoks, 1966 | Stratigrafiâ viruskoj i har'ûskoj serij (ordovik) Severnoj Èstonii. I-IV | 378, 418, 451 | Rakvere, Nabala ja Vormsi lade |
| Kõrvel, 1962 | On the lithostratigraphy of Rakvere and Nabala formations in northeastern Estonia | 67-73 | 2.8-51.4m, Vormsi-Rakvere lade |
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