granite porphyry

常见例句

Xiaokang Mn-Ag multi-metal mine is controlled by structural broken belt and granite-porphyry contact zone of xikou formation of lower-T system.
小康锰银多金属矿受下三叠系溪口组地层、断裂构造破碎带和花岗斑岩接触带控制，主要围岩蚀变有矽卡岩化、角岩化。
Granite-porphyry belongs to high-K calcium-alkali series, which has the geochemical characteristics of the rare earth element and trace element for A-type granite.
花岗斑岩属高钾钙碱性系列，具有A型花岗岩的稀土元素和微量元素地球化学特征；
Of the various types of deposit, the porphyry type occurs within first stage granite-porphyry and at its contact zone where alteration and mineralization zoning is apparent;
斑岩锡矿主要产于花岗斑岩岩筒内部及其接触带，蚀变与矿化具分带现象；