hydrothermal vein type的用法和樣例：
例句
- Epithermal gold depeits formed in Late Paleozoic volcanic formations are considered as an importantmineralizing type newly found in northem Xinjiang.
產(chǎn)于晚古生代火山巖中的淺成低溫熱液型金礦床是新疆北部近期發(fā)現的一個(gè)重要的金成礦類(lèi)型。 - The wallrock alteration is weak, with characteristics of medium-low T hydrothermal ore deposit.
圍巖蝕變微弱，具中低溫熱液礦床的特征。
