Geological Timescale

Stratotype Point Base of Middle Ordovician

http://resource.geosciml.org/classifier/ics/ischart/BaseMiddleOrdovicianSP

label Stratotype Point Base of Middle Ordovician
ratified GSSP true
boundary level 10.57 m above Base of the Dawan Formation
comment Huanghuachang Section, NE of Yichang city, Hubei Province, S. China
correlation event Conodont FAD of Baltoniodus triangularis
see also
Dapingian1.pdf original
Dapingian2.pdf original
index.html original
source
Episodes 28/2, p. 105 117, 2005
Episodes 32/2, p. 96 113, 2009
status Ratified 2007
type
StratigraphicPoint original
Resource original
Concept original
has geometry Location of Stratotype Point Base of Middle Ordovician original