Stratigraphy
Idavere Substage
25
Stratigraphy
Index
Index add'l
Type
Rank
Scope
Belongs to
Age (Ma)
Age
Base
Top
Tatruse Formation
CIII-DIIK'T
O3tt
lithostratigraphy
Formation
regional
Baltic lithostratigraphy (Ordovician)
Idavere Substage
Vasavere Formation
CIII-DIIK'V
O3khV
lithostratigraphy
Formation
regional
Baltic lithostratigraphy (Ordovician)
Idavere Substage
25
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