Upper Järva Subformation
Belongs to | Järva Formation |
Type | lithostratigraphy |
Rank | Subformation |
Scope | local |
Status | formal standard |
Age (Ma) | Upper Pleistocene |
Index | Q1jr3 |
Alt. index | IIIvr |
Date added | 2020-12-13 |
Date changed | 2020-12-13 |
Browse Geocollections