Jonstorp Formation
Belongs to | Baltic lithostratigraphy (Ordovician) |
Type | lithostratigraphy |
Rank | Formation |
Scope | regional |
Status | formal standard |
Author | Jaanusson |
Year | 1963 |
Age (Ma) | Pirgu Stage |
Index | FIcJ |
Alt. index | O3jn |
Date added | 2011-07-02 |
Date changed | 2014-11-27 |
Browse Geocollections