Toward refining the onset age of Sturtian glaciation in South China

Neoproterozoic glaciations have drawn worldwide attention in recent years because of their influence on atmosphere, hydrosphere, biosphere, lithosphere, and potential causal relationship to the subsequent Cambrian evolutionary explosion which represents the most important event in the history of life on Earth. The Snowball Earth hypothesis predicts a rapid and synchronous initiation of the Neoproterozoic glaciations, but convincing radiometric...