Floian

GSSP for the Floian Stage, Diabasbrottet section, Sweden. Photo courtesy to Stan Finney.

Age

  • Base: 477.7 Ma (GTS 2012), 478.6 Ma (GTS 2004)
  • Top: 470.0 Ma (GTS 2012), 471.8 (GTS 2004)
  • Duration: 7.7 Ma (GTS 2012), 6.8 (GTS 2004)

Global stratotype section and point (GSSP)

  • Locality: Diabasbrottet, Hunneberg, Sweden (58.3589°N 12.5024°E)
  • Boundary level: in the lower Tøyen Shale, 2.1m above the top of the Cambrian
  • Correlation events: Graptolite FAD Tetragraptus approximatus
  • Status: Ratified 2002, Episodes 27/4, p. 265-272, 2004