1. The associated geothermal energy is used in numerous hydrothermal power plants. 2. Exceptions include some pit lakes and waters from some hydrothermal springs. 3. Twelve previously unknown volcanoes and numerous undersea hydrothermal vents were discovered. 4. It occurs as a secondary mineral in oxidized hydrothermal lead deposits. 5. It occurs in high temperature hydrothermal deposits and contact metamorphic rocks. 6. Sulfur deposits generated from hydrothermal alteration are found on Cerro Tuzgle. 7. It is usually found in low to moderate temperature hydrothermal deposits. 8. Halloysite typically forms by hydrothermal alteration of alumino-silicate minerals. 9. It occurs in high temperature hydrothermal deposits with pyrrhotite and chalcopyrite. 10. Temperatures in the hydrothermal system are estimated to be between and.
Mobile