Application of the Thermoluminescence Technique for Evaluation of Geothermal Activity
- Location
- Waiotapu, New Zealand; Taupo Volcanic Zone
- Conference
- New Zealand Geothermal Workshop
- Year
- 2004
- Session
- Geophysics
- Language
- English
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Abstract
Thermoluminescence is a thermally derived phenomenon, with the thermoluminescence signature of minerals and rocks in the geothermal setting strongly affected by alteration processes and natural heating. The technique has potential as a sensitive geothermal/geochemical sensor in geothermal systems. Laboratory analysis of quartz was undertaken to identify the effect of hydrothermal fluid in the Waiotapu Geothermal Field (New Zealand), and two-dimensional TL and spectroscopy of rock samples from Kamaishi mine (Japan) were measured. These results show possibilities of thermoluminescence techniques for geothermal exploration, and a new approach for geological applications.
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