Lake Bogoria Hot Springs (Kenya)- Geochemical Features And Geothermal Implications
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Journal Article: Lake Bogoria Hot Springs (Kenya)- Geochemical Features And Geothermal Implications
AbstractMany boiling springs and fumaroles are present along the shores of Lake Bogoria, which is a closed-basin alkaline saline lake typical of African Rifts. Two different geothermal waters, both of Na-HCO3 type have been recognized. The first, discharged by the boiling springs located along the western shores of the lake, comes from a shallow steam-heated thermal aquifer. Its temperature is close to 100°C, as indicated by chalcedony solubility, while the chloride content of these waters is slightly higher than 200 mg L-1. The second, recognizable in the southernmost boiling springs, is representative of a deeper and hotter geothermal reservoir. The occurrence of mixing and boiling processes complicates the interpretation of geochemical data. Nevertheless, a chloride content of about 660 mg L-1, an equilibrium temperature close to 170°C and a high carbon dioxide partial pressure, at least 10-20 bar, have been estimated for the deep geothermal reservoir.
- R. Cioni, G. Fanelli, M. Guidi, J. K. Kinyariro and L. Marini
- Published Journal
- Journal of Volcanology and Geothermal Research, 1992
- Not Provided
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R. Cioni,G. Fanelli,M. Guidi,J. K. Kinyariro,L. Marini. 1992. Lake Bogoria Hot Springs (Kenya)- Geochemical Features And Geothermal Implications. Journal of Volcanology and Geothermal Research. (!) .