http://resource.geosciml.org/classifier/ics/ischart/BaseDevonianSP
label | Stratotype Point Base of Devonian | |||||||
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ratified GSSP | ||||||||
boundary level | within Bed 20 | |||||||
comment | Klonk, near Prague, Czech Republic | |||||||
correlation event | Graptolite FAD Monograptus uniformis | |||||||
source | IUGS Series A, 5, p. 96 109, 1977 | |||||||
status | Ratified 1972 | |||||||
type |
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has geometry | Location of Stratotype Point Base of Devonian original | |||||||
see also | index.html original |