Correlation between the silica concentration and the orifice temperature in the warm springs along the jordan-dead sea rift valley |
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Authors: | D. Levitte Y. Eckstein |
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Affiliation: | Department of Hydrogeology, Geological Survey of Israel, Jerusalem, Israel;Department of Hydrogeology, Geological Survey of Israel and Department of Geology, Kent State University, Kent, Oh 44242, U.S.A. |
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Abstract: | Analysis of twenty-one thermal springs emerging along the Jordan-Dead Sea Rift Valley in Israel indicates a very good correlation between the concentration of dissolved silica and the temperature of the spring orifice. Dissolution of quartz was identified as the apparent source of the silica in the water. Application of the silica geothermometer for mixed systems suggests that the springs in the Tiberias Lake Basin are supplied with hot water from deep reservoir (or reservoirs) at a temperature of 115°C (239°F). The same temperature was postulated earlier by the application of the Na-K-Ca hydro-geothermometer to a group of thermal springs in the same basin. The temperature of the reservoir supplying hot brines to the springs emerging along the western shore of the Dead Sea is estimated at 90°C (194°F). |
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