Tosna Formation
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ID | Number | Locality | Depth / thickness (m) | Stratigraphy | Collector | Date collected | Image | |||
|---|---|---|---|---|---|---|---|---|---|---|
From | To | |||||||||
| 135164 | 135164 | Naziya River Outcrop, Leningrad Oblast | Lower Ordovician | Popov | ||||||
| 135163 | 135163 | Naziya River Outcrop, Leningrad Oblast | Lower Ordovician | Popov | ||||||
| 134403 | Os-138-2(87) | Osmino 138 borehole, Leningrad Oblast | 97.90 | 98.70 | Lower Ordovician | Kurvits, Tiia | ||||
| 134402 | Os-138-1(87) | Osmino 138 borehole, Leningrad Oblast | 97.20 | 97.90 | Lower Ordovician | Kurvits, Tiia | ||||
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