Viesate 87 borehole
General info
| Name | Viesate 87 borehole |
| Number | 87 |
| Type | borehole (section) |
| Country | Latvia |
| Elevation | 67.00 |
| Latitude | 56.806074 |
| Longitude | 22.875809 |
| Location remarks | Riiast ca 75 km edelas. Google kaardil on selles piirkonnas kohad Viesata, Viesatas ja Viesati. Koordinaadid teeristilt, kuhu igast kolmest punktist on ca 2 km. Irvala asulast Irvala-Lestene teed mööda loodes, Pratnieki talu lähistel |
| Strat. base |
Proterozoic
|
| Remarks | Puuritud 1952-54 Leningradi geoloogide poolt |
| Date changed | 2018-08-07 |
| Reference | Pealkiri | Pages | Remarks |
|---|---|---|---|
| Hints, L. & Harper, 2008 (for 2007) | The brachiopods Alwynella and Grorudia: homeomorphic plectambonitoids in the Middle and Upper Ordovician of Baltoscandia | 273 | |
| Rubel & Sarv, L., 1996a | Reconstruction and use of the succession of East Baltic Silurian ostracodes | ||
| Nõlvak, 1984 | Distribution of acid-resistant microfossils in the northern East Baltic Ashgillian | 49-51 | |
| Kaljo & Rubel, 1982 | Relations of brachiopod communities to facial zones (Silurian, East Baltic) | 14 | |
| Põlma, 1981, välipäevik 7 | Välipäevik nr 7: Läti, Leedu ja Valgevene puuraugud (1971-1981) | 13-23 | 863-1074m, Ordoviitsium |
| Nõlvak, 1980a | Chitinozoans in biostratigraphy of the northern East Baltic Ashgillian. A preliminary report | 255 | |
| Nõlvak, 1980a | Chitinozoans in biostratigraphy of the northern East Baltic Ashgillian. A preliminary report | 255 | |
| Jürgenson & Tiirmaa, 1975 | Läti ja Leedu puuraukude kirjeldused | 27-30 | 794.3-863 m, Silur |
| Põlma, 1973a | Lithological differences between two structural-facial belts of the East Baltic Ordovician | ||
| Jürgenson, 1972, välipäevik 36 | Välipäevik nr 36: Läti puuraugud | 1-4 | 794.3-863m, Silur (süg 794.3 on alustatud südamikuga puurimist) |
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