experimental
Définition
broader |
Upper Devonian
|
has beginning |
Base of Upper Devonian
|
has end |
Base of Famennian
|
in scheme |
Chronostratigraphy / Geochronology
|
is gSSA |
false
|
is gSSP |
true
|
label |
Frasnien
| Frasnian
|
mnemo |
FRAS
|
narrower |
Upper Frasnian
| Lower Frasnian
|
nature |
Référent
|
notation |
d6
|
pref label |
Frasnian
| Frasnien
|
rgb coordinate blue |
173
|
rgb coordinate green |
237
|
rgb coordinate red |
242
|
source |
Dejonghe al. 2006 Geologica Belgica vol.9 1-2
|
spatial |
Monde
|
status |
Valid
|
type |
Concept
|
type chronostrat age |
Stage
|
type geochrono age |
Age
|