Darriwilian
Belongs to | Middle Ordovician |
Type | chronostratigraphy |
Rank | Stage |
Scope | global |
Status | formal standard |
Author | Mitchell, C. E., Xu, C., Bergström, S. M., Zhang, Y., Wang, Z,. Webby, B. D., Finney, S. C. |
Year | 1997 |
Etymon | Darriwill, a parish in County of Grant, Australia. |
Age top (Ma) | 458.4 |
Age base (Ma) | 467.3 |
Alt. index | O2dr |
Date added | 2003-04-02 |
Date changed | 2022-11-04 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
---|---|---|---|---|---|---|
Huangnitang, Zhejiang | boundary stratotype | Mitchell et al., 1997 |
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