Stratotype Point Base of Silurian
http://resource.geosciml.org/classifier/ics/ischart/BaseSilurianSP
| ratified GSSP |  |
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| boundary level | 1.6m above theBase of the Birkhill Shale Formation | |||||
| comment | Dobs Linn, Scotland | |||||
| correlation event | Graptolite FAD Akidograptus ascensus | |||||
| dc source |
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| see also |
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| status | Ratified 1984 | |||||
| type |
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| shape | Location of Stratotype Point Base of Silurian original | |||||