Abstract
The Hammat Gader (El-Hamma) springs constitute a rift valley hot-spring system. The five springs which belong to this complex are distinguished by temperatures of 25, 28, 36, 42 and 50°C and salinities of between 700 and 1400 mg/l. With one exception, the salinity of the spring waters increases with temperature. A model is presented which explains the chemical composition of the individual springs by mixing of an ancient, Ca-chloridic, rift brine with present-day meteoric waters. The water temperatures are dictated by the regional geothermal gradient, which is calculated for the investigated area from deep-drilling data. The model is in good accordance with previously published isotopic and rare-gas data. A model suggested earlier for the Hammat Gader springs is examined, discussed and rejected on geochemical, spatial and hydrogeological grounds.
| Original language | English |
|---|---|
| Pages (from-to) | 233-244 |
| Number of pages | 12 |
| Journal | Chemical Geology |
| Volume | 27 |
| Issue number | 3 |
| DOIs | |
| State | Published - Nov 1979 |
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SDG 7 Affordable and Clean Energy
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