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EMinar: Fateme Hormozzade Ghalati - Audio-magnetotelluric investigation of geothermal systems in the Mount Meager Volcanic Complex, southwestern Canada

Interest in geothermal exploration as an alternative source of energy has been raised in Canada to support the transition to a zero CO2 emissions economy. The Mount Meager Volcanic Complex (MMVC) within the Garibaldi volcanic belt in BC’s southwest region has one of the highest geothermal potentials in Canada, with proven borehole temperatures exceeding 250 °C. This research project, led by the Geological Survey of Canada, aims to explore for shallow geothermal resources and to identify the influence of fault and fracture networks on permeability and shallow fluid circulation at the MMVC utilizing audio-magnetotelluric (AMT) data. Combining new AMT data with legacy magnetotelluric (MT) and 3-D inversion techniques, a new electrical resistivity model will be presented, which provides information about the hydrothermal system and fluid flow in the subsurface of the MMVC. By combining the resistivity model with available rock properties and fluid sample data, potential fluid flow pathways are analysed. This project will contribute to the development of conceptual models of the hydrothermal system flow regime, which could be used to reduce the risk of future development of geothermal resources.

Jan 11, 2023 03:00 PM in Universal Time UTC