Chemical and isotopic features of cold and thermal fluids discharged in the Southern Volcanic Zone between 32.5°S and 36°S: Insights into the physical and chemical processes controlling fluid geochemistry in geothermal systems of Central Chile
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- 作者：O. Benaventea ; b ; obenaven@ing.uchile.cl" class="auth_mail" title="E-mail the corresponding author ; F. Tassic ; d ; M. Reicha ; b ; F. Aguilerae ; F. Capecchiaccid ; e ; F. Gutié ; rreza ; b ; O. Vasellic ; d ; A. Rizzof
- 关键词：Fluid geochemistry ; Central Chile ; Water&ndash ; gas&ndash ; rock interaction ; Hydrothermal reservoir ; Geothermal resource ; Volcanoes
- 刊名：Chemical Geology
- 出版年：2016
- 出版时间：20 January 2016
- 年：2016
- 卷：420
- 期：Complete
- 页码：97-113
- 全文大小：2457 K
文摘
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Two areas showing fluids with different geochemical features were recognized.
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Mature NaCl waters only occurred in the eastern area close to the volcanic chain.
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Local and regional tectonics control the spatial distribution of the thermal springs.
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Fluids geochemistry mostly depends on the lithology of rocks interacting with waters.
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Fluids associated with active volcanoes equilibrate at temperatures up to 300 °C.