Stratotype Point Base of Norian
http://resource.geosciml.org/classifier/ics/ischart/BaseNorianSP
| label | Stratotype Point Base of Norian | |||||||
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| ratified GSSP |  |
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| 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 |
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| represents boundary |
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| see also | index.html original | |||||||