Finnish crustal-scale faults as a possible source of deep low-enthalpy geothermal resources
Holma, M.; Arola, T.; Kuusiniemi, P. (2021-05-31)
Holma, M.; Arola, T.; Kuusiniemi, P. (2021) Finnish crustal-scale faults as a possible source of deep low-enthalpy geothermal resources. In: Ilmo Kukkonen et al. Lithosphere 2021 : Eleventh symposium on structure, composition and evolution of the lithosphere. Programme and extended abstracts, (pp.31-34), Report S-71, University of Helsinki. https://www.seismo.helsinki.fi/ilp/lito2021/Lithosphere_2021_Symposium_Abstract_Volume.pdf
© 2021 The Authors.
https://rightsstatements.org/vocab/InC/1.0/
https://urn.fi/URN:NBN:fi-fe2021053132306
Tiivistelmä
Abstract
Crustal-scale faults deserve more attention as potential deep low-enthalpy geothermal energy sources in Finland. As well known, major structures may behave as favourable permeability channels for meteoric waters. They may also be characterised by elevated geothermal gradients, although the opposite is also possible. For Enhanced Geothermal System (EGS) exploration projects, major faults may offer an alternative target potentially requiring much less hydraulic stimulation than conventional EGS projects.
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