E3S Web Conf.
Volume 98, 201916th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference)
|Number of page(s)||5|
|Section||Magmatic, Metamorphic and Geothermal Processes|
|Published online||07 June 2019|
Isotopes & Geochemistry: Tools For Geothermal Reservoir Characterization (Kamchatka Examples)
Institute of Volcanology & Seismology FEB RAS, Piip 9, Petropavlovsk-Kamch., 683006, Russia
2 Geological Institute RAS, Pyzhevsky 7, Moscow 119017, Russia
3 Teplo Zemli JSC, Vilyuchinskaya 6, Thermalny, 684000, Russia
4 Geotherm JSC, Ac. Koroleva 60, Petropavlovsk-Kamchatsky, 683980, Russia
* Corresponding author: AVKiryukhin2@mail.ru
The thermal, hydrogeological, and chemical processes affecting Kamchatka geothermal reservoirs were studied by using isotope and geochemistry data: (1) The Geysers Valley hydrothermal reservoirs; (2) The Paratunsky low temperature reservoirs; (3) The North-Koryaksky hydrothermal system; (4) The Mutnovsky high temperature geothermal reservoir; (5) The Pauzhetsky geothermal reservoir. In most cases water isotope in combination with Cl- transient data are found to be useful tool to estimate reservoirs natural and disturbed by exploitation recharge conditions, isotopes of carbon-13 (in CO2) data are pointed either active magmatic recharge took place, while SiO2 and Na-K geothermometers shows opposite time transient trends (Paratunsky, Geysers Valley) suggest that it is necessary to use more complicated geochemical systems of water/mineral equilibria.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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