Online Map of Volcanic Isotope Age in China
Holocene
Late Pleistocene
Middle Pleistocene
Early Pleistocene
New Tertiary
Old third century
Cretaceous
Jurassic-Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Late Paleozoic
Silurian
Ordovician
Cambrian
Early Paleozoic
Sinian
Late Yuan Dynasty
Middle Proterozoic
Early Proterozoic
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