Darriwilian
General info
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 |
Stratotypes
Locality | Type | From (m)1 | To (m)2 | Reference | Remarks |
---|---|---|---|---|---|
Huangnitang, Zhejiang |
boundary stratotype
| Mitchell et al., 1997 |
Reference | Content | Year1 | Pages | Remarks |
---|---|---|---|---|
Gradstein et al., 2004 |
2004
| 168-169 | ||
Gradstein et al., 2012 |
2012
| 602-603 | ||
Goldman et al., 2020 | Overview and updated radiometric ages |
2020
| 643-646 | |
Mitchell et al., 1997 | Proposal of global stage |
1997
|
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