experimental
Définition
broader |
Dogger
| Middle Jurassic
|
has beginning |
Base of Middle Jurassic
|
has end |
Base of Bajocian
|
in scheme |
Chronostratigraphy / Geochronology
|
is gSSA |
false
|
is gSSP |
true
|
label |
Aalenian
| Aalénien
|
mnemo |
AALE
|
narrower |
Middle Aalenian
| Upper Aalenian
| Lower Aalenian
|
nature |
Référent
|
notation |
j1
|
pref label |
Aalénien
| Aalenian
|
rgb coordinate blue |
221
|
rgb coordinate green |
217
|
rgb coordinate red |
154
|
source |
Gradstein et al. (2012)
|
spatial |
Monde
|
status |
Valid
|
type |
Concept
|
type chronostrat age |
Stage
|
type geochrono age |
Age
|