Stratigraphy
Gzhelian
Belongs to | Pennsylvanian |
Type | chronostratigraphy |
Rank | Stage |
Scope | global |
Status | informal standard |
Author | Sergei Nikitin |
Year | 1890 |
Etymon | Russian village of Gzhel |
Age top (Ma) | 298.9 |
Age base (Ma) | 303.7 |
Index | c7 |
Date added | 2003-04-03 |
Date changed | 2022-11-04 |
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