porphyritic

Nanliang complex is mainly composed of porphyritic granite, granophyre, rhyolite-porphyry and rhyolitic agmatite-lava.

南梁岩体主要由斑状花岗岩、流纹斑岩、花斑岩及流纹质角砾熔岩组成。

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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.

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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。

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Based on K-Ar isotope chronological research, Cenozoic volcanism in the source region of the Yangtze River is divided into three phases. In the first phase ( 40.1-35.1 Ma) volcanism was weak, forming fine-grained latite and porphyritic trachyte of limited distribution.

通过K-Ar同位素年代学研究，将长江源区新生代的火山活动划分为3期：第Ⅰ期（40.1～35.1Ma）火山喷发较弱，形成小范围分布的细粒安粗岩和斑状粗面岩；

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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.

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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.

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S-Pb isotopic composition shows that the ore-forming metallic materials were derived from surrounding porphyritic granite, and the H-O isotopic data indicates that the ore-forming fluids were mainly magmatic water mixed with small amounts of meteoric water at the late ore-forming stage.

硫和铅同位素显示成矿金属物质主要来自围岩，即斑状花岗岩；氢和氧同位素组成表明成矿流体来自花岗岩浆水。

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