stable
Entry: Base of Ashgill - showing version 8
URI: https://data.geoscience.fr/ncl/GeolTsBound/1054
no description supplied
Definition
category |
geology
|
||||
has tRS |
Million d'années
|
||||
in scheme |
Chronostratigraphical / geochronological boundaries
|
||||
label |
|
||||
nature |
Régional
|
||||
numeric position |
449,1
|
||||
percentage |
50
|
||||
pref label |
|
||||
ref age |
Katian
|
||||
source |
Fictif ICS2020-01
|
||||
spatial |
Europe
|
||||
status |
Valid
|
||||
top concept of |
Chronostratigraphical / geochronological boundaries
|
||||
type |
geochronologic boundary
| era boundary
| Concept
|