Stratotype Point Base of Northgrippian
http://resource.geosciml.org/classifier/ics/ischart/BaseNorthgrippianSP
| label | Stratotype Point Base of Northgrippian | |||||||||
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| ratified GSSP |  |
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| boundary level | 42.3200°W 1228.67 m depth in NGRIP 1 ice core | |||||||||
| correlation event | Climatic cooling following a period of generally rising temperatures during the Early Holocene | |||||||||
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| source | International Commission on Stratigraphy - Formal subdivision of the Holocene Series/Epoch | |||||||||
| status | Ratified 2018-06-26 | |||||||||
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| has geometry | BaseNorthgrippian-location original | |||||||||
| represents boundary |
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