http://resource.geosciml.org/classifier/ics/ischart/BaseHomerianSP
ratified GSSP | ||||||||
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boundary level | within upper part of the Apedale Member of the Coalbrookdale Formation | |||||||
comment | Sheinton Brook, Homer, UK | |||||||
correlation event | Graptolite FAD Cyrtograptus lundgreni | |||||||
dc source |
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see also |
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status | Ratified 1980 | |||||||
type |
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shape | Location of Stratotype Point Base of Homerian original |