Abstract
The Permian Period ranged from 298.9 to 252.2 Ma based on the latest radiometric ages in the southern Urals and southern China, and comprises three series and nine stages. Among the three undefined global stratotype sections and points (GSSPs), a vote for the Kungurian-base GSSP candidate is ongoing and proposals for the Sakmarian-base and Artinskian-base GSSPs are expected to be completed within 1 year. The Permian timescale has recently been greatly improved in resolution.
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APA
Shen, S. zhong, & Henderson, C. M. (2014). Progress of the Permian Timescale. In Springer Geology (pp. 447–451). Springer. https://doi.org/10.1007/978-3-319-04364-7_86
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