Wuchiapingian
Eighth stage of the Permian / From Wikipedia, the free encyclopedia
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In the geologic timescale, the Wuchiapingian or Wujiapingian (from Chinese: 吴家坪; pinyin: Wújiāpíng; lit. 'Wu Family Flatland"' in the Liangshan area of Hanzhong, Shaanxi Province[4]) is an age or stage of the Permian. It is also the lower or earlier of two subdivisions of the Lopingian Epoch or Series. The Wuchiapingian spans the time between 259.51 and 254.14 million years ago (Ma). It was preceded by the Capitanian and followed by the Changhsingian.[5]
Quick Facts Chronology, Etymology ...
Wuchiapingian | |||||||||||||
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259.51 ± 0.21 – 254.14 ± 0.07 Ma | |||||||||||||
Chronology | |||||||||||||
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Etymology | |||||||||||||
Name formality | Formal | ||||||||||||
Usage information | |||||||||||||
Celestial body | Earth | ||||||||||||
Regional usage | Global (ICS) | ||||||||||||
Time scale(s) used | ICS Time Scale | ||||||||||||
Definition | |||||||||||||
Chronological unit | Age | ||||||||||||
Stratigraphic unit | Stage | ||||||||||||
Time span formality | Formal | ||||||||||||
Lower boundary definition | FAD of the Conodont Clarkina postbitteri postbitteri | ||||||||||||
Lower boundary GSSP | Penglaitan Section, Laibin, Guangxi, China 23.6953°N 109.3211°E / 23.6953; 109.3211 | ||||||||||||
Lower GSSP ratified | 2004[2] | ||||||||||||
Upper boundary definition | Meishan, Zhejiang, China | ||||||||||||
Upper boundary GSSP | FAD of the Conodont Clarkina wangi 31.0819°N 119.7064°E / 31.0819; 119.7064 | ||||||||||||
Upper GSSP ratified | 2005[3] |
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Regional stages with which the Wuchiapingian is coeval or overlaps include the Djulfian or Dzhulfian, Longtanian, Rustlerian, Saladoan, and Castilian.[6]