|
Locality |
Layer |
|
Russian Federation, South Urals,Bashkortostan, Shikhan Tra-Tau |
Asselian |
|
Russian Federation, South Urals,Chkalovskaya Obl., Ural River,W Nikol'skoe |
Zhigulevskian |
|
Russian Federation, South Urals,Orenburgskaya Obl., Sakmary and Kasmark, intermediate |
Gzhelian, Zianchurinskian unit |