stable
Entry: Base of Upper Tournaisian
URI: https://data.geoscience.fr/ncl/GeolTsBound/1099
no description supplied
Definition
category |
geology
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has tRS |
Million d'années
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in scheme |
Chronostratigraphical / geochronological boundaries
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label |
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nature |
Régional
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numeric position |
352,8
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percentage |
50
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pref label |
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ref age |
Tournaisian
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source |
Fictif ICS2020-01
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spatial |
Monde
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status |
Valid
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top concept of |
Chronostratigraphical / geochronological boundaries
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type |
geochronologic boundary
| Concept
| era boundary
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