Stratotype Point Base of Selandian
http://resource.geosciml.org/classifier/ics/ischart/BaseSelandianSP
| label | Stratotype Point Base of Selandian | |||||||
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| ratified GSSP |  |
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| boundary level | Base of the red marls of Itzurun Formation | |||||||
| comment | Zumaia section, northern Spain | |||||||
| correlation event | Onset of a carbon isotope shift and sea-level drop, 30 precession cycles (~630 kyr) above the top of magnetic polarity Chron 27n | |||||||
| see also |
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| source | Episodes 34/4, p.220 - 243, 2011 | |||||||
| status | Ratified 2008 | |||||||
| type |
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| has geometry | Location of Stratotype Point Base of Selandian original | |||||||
| represents boundary |
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