Having to do with hot water; esp., having to do with the action of hot water in producing minerals and springs or in dissolving, shifting, and otherwise changing the distribution of minerals in the earth's crust.
Relating to or produced by hot water, especially water heated underground by the Earth's internal heat. &diamf3; Hydrothermal energy is power that is generated using the Earth's hot water.
7 Mount Morgan, Queensland, which is obviously associated with hydrothermal action, is also gold-bearing.
Cohen, who regarded the pipes as of the nature of a mud volcano, and the blue ground as a kimberlite breccia altered by hydrothermal action, thought that the diamond and accompanying minerals had been brought up from deep-seated crystalline schists.