adj. porphyritic
石英斑岩全岩都发生了矿化,主要矿体产于石英斑岩的中上部。
The whole quartz-porphyry body was mineralized. The main ore body occurs in the upper quartz-porphyry.
铜(钼)矿(化)体主要产于含矿斑岩体和黑云母花岗斑岩的内外接触带中。
The copper (molybdenum) ore bodies are mainly situated in or out of the contact zone between the mineralized porphyry bodies and the biotite granite porphyry.
由于这种作用的影响,使钾质煌斑岩的源区地幔处于地温梯度高、氧逸度高的不稳定状态。
Under the influence of the subduction, the source mantle of the potassic lamprophyres has a high geothermal gradient and oxygen fugacity.
应用推荐