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Hierarchy:Phanerozoic Paleozoic  Ordovician   Middle Ordovician
Classification:Age (as per International Commission on Stratigraphy)
Top:458.4 ± 0.9 Ma
Base:467.3 ± 1.1 Ma
Preceeds:Late Ordovician Sandbian
Name origin:Name derived from Darriwil, a parish in County of Grant, Victoria (Australia), proposed in 1899 by Thomas Sergeant Hall.
GSSP:Huangnitang section, Changshan, Zhejiang Province, SE China
GSSP location:28.8539°N, 118.4900°E
GSSP link:View Global Boundary Stratotype Section and Point of the International Commission on Stratigraphy
The base of the Darriwilian Stage is defined in a section through the Ningkuo Shale exposed at Huangnitang, Changshan County, Zhejiang Province, southeast China, where it coincides with the first appearance datum of the graptolite Undulograptus austrodentatus.

Geologic Events

Event NameTypeAgeArea
Caledonian orogeny (concludes)Orogeny~505 - ~400 MaEurope

Overview of geological time

List all geological events
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