Sienite di Biella
Back to Valle del Cervo PlutonRepresentation and status
- Color CMYK
- (0%,0%,0%,100%)
- Rank
- lithostratigraphic Formation
- Validity
- Unit is in Use
- Status
- informal term
Nomenclature
- Deutsch
- Biella-Syenit
- Français
- Syénite de Biella
- Italiano
- Sienite di Biella
- English
- Biella Syenite
- Origin of the Name
-
Biella (Italia)
- Historical Variants
-
Syenit von Biella (Schmidt & Preiswerk 1908), sienite di Biella (Hermann 1937), Syenit von Biella (Dal Piaz et al. 1973)
Description
- Description
-
with contact aureole
Age
- Age at top
-
- Oligocene
- Age at base
-
- Oligocene
- Dating Method
-
31 +/-1 Ma (K/AR sur biotite ; Krummenacher & Evernden 1960)