Volkhov Stage
General info
Belongs to |
Ontika Subseries
|
Type | chronostratigraphy |
Rank | Stage |
Scope | regional |
Status | formal standard |
Author | Raymond |
Year | 1916 |
Etymon | Volkhov river, Russia |
Age top (Ma) | 467.5 |
Age base (Ma) | 471.8 |
Age (Ma) |
Middle Ordovician
|
Age reference | Cooper & Sadler, 2004 |
Index | BII |
Alt. index | O2VL |
Date changed | 2022-12-05 |
Stratotypes
Locality | Type | From (m)1 | To (m)2 | Reference | Remarks |
---|---|---|---|---|---|
unspecified
| Hints, L. et al., 1993a | Distinguished in NW Russia |
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