The GSSP for the base of the Visean Stage is defined on the first appearance of Eoparastaffella simplex in the lineage Eoparastaffella ovalis – Eoparastaffella simplex (foraminifers), at the Pengchong section, Guangxi, South China.
At the Pengchong section, Guangxi, South China.
The Pengchong Member is composed of dark grey limestone beds of various thicknesses (mainly in the range 20-150 cm) interbedded with subordinate thin- to medium-bedded (≤10 cm but up to 60 cm locally) dark calcareous shales that become more abundant and thicker towards the top. The member is organized in decametre-thick parasequences, either thinning and shalier or conversely thickening and more limestone-rich upwards.
Benthic Foraminifer FAD Eoparastaffella simplex.
Radiometric Dating:
Stable Carbon Isotopes:
Benthic Foraminifer FAD Eoparastaffella simplex.