Stratotype Point Base of Cryogenian

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

label Stratotype Point Base of Cryogenian
comment Defined chronometrically; but will be replaced by GSSP. First glacial episode occurred after 750 Ma
type
StratigraphicPoint original
Resource original
Concept original
see also index.html original