The Occurrence of Pyrrhotite in the Ngawha Geothermal System, New Zealand
Conference
·
OSTI ID:895896
The Ngawha geothermal system is low in all sulfide minerals, but in comparison to systems in the Taupo Volcanic Zone it contains more widely distributed pyrrhotite which is currently depositing, mainly in fractures. This reflects the high proportion of vapor in the Ngawha system. Pyrrhotite is most common in the upper part of the reservoir and lower part of the aquitard. The Ngawha pyrrhotite is of monoclinic and monoclinic + hexagonal structure.
- Research Organization:
- School of Geology, Queensland University of Technology, Brisbane, Australia; Geothermal Institute and Geology Department, University of Auckland, NZ
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 895896
- Report Number(s):
- GEO-PROC-95-02; TRN: US200703%%777
- Resource Relation:
- Conference: Proceedings of The 17th New Zealand Geothermal Workshop 1995
- Country of Publication:
- United States
- Language:
- English
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