Jaama Member
| Belongs to | Kotlin Formation |
| Type | lithostratigraphy |
| Rank | Member |
| Scope | regional |
| Status | formal standard |
| Author | Mens, K., Pirrus, E. |
| Year | 1980 |
| Etymon | Jaama village, Estonia |
| Age (Ma) | Kotlin Stage |
| Alt. index | V2ktJ |
| Alt. index | Vktj |
| Date added | 2012-10-16 |
| Date changed | 2022-11-15 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Meriküla F-169 borehole | holostratotype | 143.6 | 150 |
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