熱ねっ水すい溶よう液えき

noun

hydrothermal solution

Geological term for a hot, water-based solution, often involved in mineral formation.

• 鉱こう床しょうは熱ねっ水すい溶よう液えきから沈ちん殿でんした鉱こう物ぶつでできている。

  The ore deposit is made of minerals precipitated from a hydrothermal solution.