Harju Series
Belongs to | Baltic Ordovician |
Type | chronostratigraphy |
Rank | Series |
Scope | regional |
Status | informal standard |
Age top (Ma) | 443.7 |
Age base (Ma) | 452 |
Age (Ma) | Upper Ordovician |
Age reference | Cooper & Sadler, 2004 |
Date changed | 2011-06-25 |
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