Wairakite-Albite zone
Chemical Process (Alteration) - Open system under ground (Alkaline metasomatism)
Correlated: Prehnite-Pumpellyite facies, Albite-Epidote-hornfels facies
Synonym
Zeolite zone
Index Minerals
Wairakite
Required Geological Setting
Occurrence
Metasomatic zone formed by alkaline hydrothermal fluid of 250-350 degree associated with Basaltic magma activities. This alteration is a part of Zeolitization.
Distribution of Wairakite-Albite zones described in this site. Yellow lines are volcanic fronts.
Change of mineral assemblages
- [ Extinct ] Laumontite, Yugawaralite
- [ Appear ] Wairakite
Mineral Assemblages
- [ Felsic Rocks ] Wairakite, Adularia, Calcite
- [ Mafic Rocks ] Albite, Adularia, Calcite
Localities
- Dohira River (Dike, Wairakite)
Related Occurrences
- Halloysite zone (Alunite zone, Argillized zone)
- Kaolinite zone (Alunite zone, Argillized zone)
- Minamiite-Alunite zone (Alunite zone)
- Pyrophyllite zone
- Smectite zone (Argillized zone)
- Interstratified mineral zone (Argillized zone)
- Illite-Chlorite zone (Propylite zone)
- Epidote-Actinolite zone
- Stilbite-Mordenite zone (Zeolite zone)
- Heulandite-Analcime zone (Zeolite zone)
- Laumontite-Albite zone (Zeolite z., Propylite z.)
- Wairakite-Albite zone (Zeolite zone)