Stratotype Point Base of Norian

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

comment Candidates are Black Bear Ridge in British Columbia (Canada) and Pizzo Mondello, Sicily (Italy)
correlation event Base of Stikinoceras kerri ammonoid zone and near FAD of Metapolygnathus echinatus within the M. communisti conodont zones
type
StratigraphicPoint original
Resource original
see also index.html original