http://resource.geosciml.org/classifier/ics/ischart/BaseLudfordianSP
label | Stratotype Point Base of Ludfordian | |||||||||
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ratified GSSP | ![]() |
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boundary level | coincident with the Base of the Leintwardine Formation | |||||||||
comment | near Ludlow, UK | |||||||||
correlation event | Imprecise. May be near Base of Saetograptus leintwardinensis Graptolite zone. | |||||||||
see also |
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source |
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status | Ratified 1980 | |||||||||
type |
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has geometry | Location of Stratotype Point Base of Ludfordian original | |||||||||
represents boundary |
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