porphyritic的例句大全

Yanshanian acid is a mountain of granite, mostly coarse-grained granite and porphyritic granite.

山地属燕山期酸性花岗岩, 多为粗粒花岗岩和斑状花岗岩.

The fine-grained crystalline base of porphyritic rock in which larger crystals are embedded.

纹理细密的水晶质矿物的基岩,其中嵌有大粒水晶.

Tongling quartz-vein type deposit lies in south-east Rushan , Shandong Province, within the Sanfushan porphyritic adamellite body.

铜岭金矿位于山东省乳山市东南部, 产在三佛山斑状二长花岗岩中, 为含金石英脉型金矿.

The skarn wolfram deposits are formed in granite contact zone and crack of stratum. The porphyry and quartz vein molybdenum deposits are formed in porphyritic granite bodies and fissure vein.

小柳沟矿区有着三（多）位一体的成矿系列，岩体外接触带和地层层间裂隙形成以夕卡岩型为主的白钨矿，岩体内部及岩体顶部形成斑岩型和石英脉型钼矿。