downgoing plate 中文意思是什麼
downgoing plate
解釋
下沉板塊-
The gangue minerals are mostly carbonating minerals, fluorite, barite, celestite and so on ; the rock alteration is slightly silicified, carbonated, baritizated, celestited, which is low - temperature alteration. because of continual downgoing extrusion from india plate to euro - asian plate, there are some thrusting nappe structures in lanping basin related to the orogens on the two sides
礦床中礦石礦物發育典型的中低溫熱液成因的礦物組合，如黝銅礦系列、方鉛礦、黃銅礦等，脈石礦物主要為碳酸鹽類礦物、螢石、重晶石、天青石等；圍巖蝕變主要發育弱硅化、碳酸鹽化、重晶石化、天青石化等低溫蝕變組合。
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