Kungurian

Kungurian
Chronology
Etymology
Name formalityFormal
Usage information
Celestial bodyEarth
Regional usageGlobal (ICS)
Time scale(s) usedICS Time Scale
Definition
Chronological unitAge
Stratigraphic unitStage
Time span formalityFormal
Lower boundary definitionNot formally defined
Lower boundary definition candidatesNear FAD of the Conodont Neostreptognathodus pnevi
Lower boundary GSSP candidate section(s)Mechetlino, Southern Ural Mountains, Russia
Upper boundary definitionFAD of the Conodont Jinogondolella nanginkensis
Upper boundary GSSPStratotype Canyon, Guadalupe Mountains, Texas, U.S.A.
31°52′36″N 104°52′36″W / 31.8767°N 104.8768°W / 31.8767; -104.8768
Upper GSSP ratified2001[2]

In the geologic timescale, the Kungurian is an age or stage of the Permian. It is the latest or upper of four subdivisions of the Cisuralian Epoch or Series. The Kungurian lasted between 283.5 and 273.01 million years ago (Ma). It was preceded by the Artinskian and followed by the Roadian.[3]

  1. ^ "International Chronostratigraphic Chart" (PDF). International Commission on Stratigraphy. September 2023. Retrieved November 10, 2024.
  2. ^ "GSSP for Roadian Stage". International Commission on Stratigraphy. Retrieved 13 December 2020.
  3. ^ Gradstein, F.M.; Ogg, J.G. & Smith, A.G.; 2004: A Geologic Time Scale 2004, Cambridge University Press

Developed by StudentB