hydrothermal alteration

基本解释

Quartz, serpentine and chlorite are minerals commonly associated with hydrothermal alteration.
石英，蛇紋石及綠泥石均爲常見的與熱液蝕變作用伴生的鑛物。
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Potash micatization is one of the main hydrothermal alteration minerals genetically related to the lead-zinc-silver deposit.
鉀質白雲母是鉛鋅（銀）鑛牀中的主要熱液蝕變鑛物，通常表現爲白雲母化、絹雲母化、伊利石化。
The origin of Kaolins in the South China is related to acid igneous rocks, such as granite etc, and most of them belong to weathering (residual) types, or to hydrothermal alteration types.
南方所産高嶺土在成因上則與花崗巖等酸性火成巖有關，多屬風化殘積型與熱液蝕變型。