Stratotype Point Base of Hirnantian
http://resource.geosciml.org/classifier/ics/ischart/BaseHirnantianSP
| label | Stratotype Point Base of Hirnantian | |||||||||
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| ratified GSSP |  |
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| boundary level | 0.39m below the Base of the Kuanyinchiao Bed | |||||||||
| comment | Wangjiawan North section, N of Yichang city, Western Hubei Province, China | |||||||||
| correlation event | Graptolite FAD Normalograptus extraordinarius | |||||||||
| see also |
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| source | Episodes 29/3, p. 183 196, 2006 | |||||||||
| status | Ratified 2006 | |||||||||
| type |
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| has geometry | Location of Stratotype Point Base of Hirnantian original | |||||||||
| represents boundary |
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