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