2-D Magnetotelluric Imaging Of The Rotorua And Waimangu Geothermal Fields
- Key words
- Magnetotellurics, Rotorua, Waimangu, Taupo Volcanic zone
- Location
- Rotorua, Waimangu, Taupo Volcanic Zone, New Zealand
- Conference
- New Zealand Geothermal Workshop
- Year
- 2014
- Session
- Geothermal Geophysics
- Language
- English
- Paper number
- 30
Full text
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Abstract
2-D inverse modelling of magnetotelluric (MT) measurements at 101 locations in a 40 km by 10 km wide band crossing the Rotorua and Waimangu geothermal fields suggest that the geothermal fields are fed by up-flow zones that rise from the edge of a single electrically conductive body situated between the geothermal fields at about 6 km depth. The conductive body is interpreted to be a zone of silicic magma.
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