Геотермический режим и геохимия горячих источников горы Сабалан (северо-западный Иран)
Аннотация
Район горы Сабалан выбран в качестве лучшего объекта для изучения геотермальной активности в северо-западном Иране. Начиная с последнего эпизода вулканической деятельности в плио-четвертичное время, горячие источники и проявления пара на поверхности являются свидетельством геотермальной активности вдоль склонов горы Сабалан. Горячие флюиды, циркулирующие в этом геотермальном поле, содержат в основном анионы HCO3– и Cl–; однако содержание SO42– в отдельных пробах воды сравнительно высокое, свидетельствующее о сульфатных свойствах этих флюидов. Исследования с использованием геотермометров показывают, что пластовая температура оценивается в (~150 °C) на изучаемой площади. В этой связи геотермальная система восточной части горы была охарактеризована как высокотермальная. Горячие источники на площади Сарейн (Sarein) имеют максимальное содержание Na+. Наибольшее содержание Ca2+ связано с горячими источниками площадей Сардабех (Sardabeh) и Еддиболуг (Yeddiboloug). Максимальное содержание для K и Mg – 40 и 20 мг/дм3 соответственно. Информация по концентрации кремнезема в пробах воды может быть использована в качестве геотермометра. Трещиноватость создает вторичную проницаемость и способствует выходу высокотемпературных геотермальных флюидов.
Ключевые слова
Список литературы
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Рецензия
Для цитирования:
Мансури-Фар С. Геотермический режим и геохимия горячих источников горы Сабалан (северо-западный Иран). Природные ресурсы. 2019;(2):23-33.
For citation:
Mansouri-Far S. Geothermal regime and geochemistry of hot springs in Mount Sabalan (Northwest of Iran). Natural resources. 2019;(2):23-33.
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