lowerBoundaryDefinition
7
triples
GPTKB property
Random triples
| Subject | Object |
|---|---|
| gptkb:Cambrian_Stage_2 | not formally defined |
| gptkb:Greenlandian | NGRIP1 ice core |
| gptkb:Maastrichtian_stage | first appearance of ammonite Pachydiscus neubergicus |
| gptkb:Gelasian_Age | base of the Matuyama chronozone |
| gptkb:Zanclean_Stage | base of the Thvera magnetic event (C3n.4n) |
| gptkb:Northgrippian_Age | climate event in Greenland ice core |
| gptkb:Lochkovian_Stage | First appearance of graptolite Monograptus uniformis |