Stratotype Point Base of Devonian

http://resource.geosciml.org/classifier/ics/ischart/BaseDevonianSP

label Stratotype Point Base of Devonian
ratified GSSP true
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
StratigraphicPoint original
Resource original
Concept original
has geometry Location of Stratotype Point Base of Devonian original
see also index.html original