Lower Cambrian (old nomenclature)
Belongs to | Cambrian |
Type | chronostratigraphy |
Rank | Series |
Scope | global |
Status | formal standard |
Age top (Ma) | 521 |
Age base (Ma) | 542 |
Age (Ma) | Cambrian |
Index | Є1 |
Alt. index | Ca1 |
Date changed | 2014-11-28 |
Browse Geocollections
Belongs to | Cambrian |
Type | chronostratigraphy |
Rank | Series |
Scope | global |
Status | formal standard |
Age top (Ma) | 521 |
Age base (Ma) | 542 |
Age (Ma) | Cambrian |
Index | Є1 |
Alt. index | Ca1 |
Date changed | 2014-11-28 |