Geological controls on the distribution of arsenic in the Perseverance nickel deposit, Leinster, WA
The Perseverance deposit is a deformed ultramafic disseminated Ni-sulphide orebody. Arsenic is found in gersdorffite (NiAsS) and cobaltite (CoAsS). Arsenic-bearing minerals occur within massive sulphide and altered ultramafic disseminated sulphide rocks located at the base of the ultramafic complex....
| Main Author: | |
|---|---|
| Format: | Thesis |
| Language: | English |
| Published: |
Curtin University
2014
|
| Online Access: | http://hdl.handle.net/20.500.11937/275 |
| Summary: | The Perseverance deposit is a deformed ultramafic disseminated Ni-sulphide orebody. Arsenic is found in gersdorffite (NiAsS) and cobaltite (CoAsS). Arsenic-bearing minerals occur within massive sulphide and altered ultramafic disseminated sulphide rocks located at the base of the ultramafic complex. Cobaltite crystallisation temperature ranges from 500°C-550°C while gersdorffite ranges from 250°C-550°C. Arsenic addition occurred prior to regional metamorphism (500 - 550°C) but the arsenic source is obscured by subsequent metamorphic and metasomatic events. |
|---|