http://resource.geosciml.org/classifier/ics/ischart/BaseMiddleOrdovicianSP
label | Stratotype Point Base of Dapingian | |||||||||
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alt label |
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ratified GSSP | ![]() |
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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 |
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source |
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status | Ratified 2007 | |||||||||
type |
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has geometry | Location of Stratotype Point Base of Middle Ordovician original | |||||||||
represents boundary |
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