Sermenza-Metagabbro
Back to Polyzyklisches Grundgebirge der Sesia-DeckeRepresentation and status
- Color CMYK
- (53%,0%,7%,41%)
- Color RGB
- R: 70 G: 150 B: 140
- Rank
- lithostratigraphic unit
- Validity
- Unit is in Use
Nomenclature
- Deutsch
- Sermenza-Metagabbro
- English
- Sermenza Metagabbro
- Historical Variants
- Sermenza Gabbro (Venturini 1995, Bussy et al. 1998), Sermenza mafic stock (Bussy et al. 1998)
Description
- Description
- layered cumulitic high-Mg, low-Ti gabbro (plagioclase, hornblende, clinopyroxene, magnetite +/- zoisit, white mica, chlorite)
Age
- Age at top
-
- Asselian
- Age at base
-
- Asselian
- Dating Method
- 288 +2/-3 Ma (U/PB sur zircon ; Bussy et al. 1998)