http://resource.geosciml.org/classifier/ics/ischart/BaseBurdigalianSP
| comment | Potentially in astronomically tuned ODP core | |||||
|---|---|---|---|---|---|---|
| correlation event | Near planktonic foraminifer FAD of Globigerinoides altiaperturus or near top of magnetic polarity chronozone C6An | |||||
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| see also | index.html original | |||||