http://resource.geosciml.org/classifier/ics/ischart/BaseLudlowSP
label | Stratotype Point Base of Ludlow | |||||||
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ratified GSSP | ||||||||
boundary level | coincident with the Base of the Lower Elton Formation | |||||||
comment | near Ludlow, UK | |||||||
correlation event | near Ludlow, UK | coincident with the Base of the Lower Elton Formation |Graptolite FAD Saetograptus (Colonograptus) varians | |||||||
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 Ludlow original |