http://resource.geosciml.org/classifier/ics/ischart/BaseAlbianSP
ratified GSSP | ||||||
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status | Ratified 2016-04-08 | |||||
comment | Southeastern France | |||||
correlation event | Candidates include: (1) calcareous nannofossil FAD of Praediscosphaera columnata (= P. cretacea of some earlier studies), (2) carbon-isotope excursion (black-shale episode), (3) ammonite | |||||
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see also | index.html original |