hydrothermal alteration halo 水热蚀变晕
hydrothermal alteration zone 水热蚀变带
hydrothermal alteration contour 水热蚀变阈
high-rank hydrothermal alteration 高级水热蚀变
degree of hydrothermal alteration 水热蚀变程度
hydrothermal rock alteration 岩石水热蚀变
In Nanla area, the vegetation colour anomaly on remote sensing image is a reflection of the hydrothermal alteration, which can be regarded as an indirect indication in ore prospecting.
南腊地区遥感影像图上植被的褪色现象，认为是热蚀变的反映，可以作为找矿的间接标志。
Taoyuan molybdenum ore belongs to mesothermal hydrothermal vein deposit. Alteration of country rock has linear feature.
桃园钼矿床属中温热液脉型矿床，围岩蚀变具线型对称特征。
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