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- The presenting of black shale series reflects abrupt environmental events,which formed many important ore hosting rock series. 黑色岩系的形成反映了环境的突变事件,构成了许多重要矿床的赋矿岩系。
- host rock series 赋矿岩系
- At a surface exposure the host rock dips steeply to the east. 在一个露头处，含矿主岩向东陡倾。
- The host rock conformably overlies a band of siliceous chertybrecia. 含矿主岩整合地上覆于硅质燧石角砾石带之上。
- The host rock conformably overlies a band of siliceous cherty breccia. 含矿主岩整合地上覆于硅质燧石角砾石带之上。
- The stratiform skarn, which is associated with schist and marb le of the Tianpeng Group in the Middle Cambrian metamorphic series, is the main host rock of the Dulong tin-zinc polymetallic deposit. 都龙锡锌多金属矿床的主要含矿岩石层状夕卡岩，顺层产出于中寒武统田蓬组片岩、大理岩中。
- So it has more important significance that how to recognize silicified rock from host rock and the extent of silicify. 因此,如何正确地识别硅化岩石与原岩,以及硅化的强弱对于找矿有着重要意义。
- Host rocks are pelitic siltstone and silty mudstone. 矿体明显受断裂控制。
- They also do not belong to the south meta-volcanic rock series of Northern Qilian Caledonides tectonic belts. 也不属于北祁连加里东构造带南带变质火山岩系的一部分。
- The Pre-cambrian alumino-siliceous slate is the host rock of antimony deposit inHunan. 湖南前寒武系的硅铝质板岩是锑矿主要赋矿岩性。
- The emergence stratum mainly is Palaeozoic sediment rock series, drape, rift grow,magma activity is delicacy. 出露地层主要为一套古生代沉积(浅变质)岩系，褶皱、断裂构造发育，岩浆活动微弱。
- In South China,the Early Cambrian black rock series is rich in metallic and nonmetallic mineral ersources. 我国南部早寒武世黑色岩系中,蕴藏丰富的金属和非金属矿产。
- Norton has reviewed conditions of deposition of the uranium host rocks. 诺顿论述了含铀主岩的沉积条件。
- The pre-Devonian "Gomori Group" shallow metamorphic rock series are mostly redelineated as the Permian strata. 解体了测区南部前泥盆系“戈木日群”浅变质岩系，大部分厘定为二叠系；
- Studies show that bimodal volcanics constitute the most favorable host rock association for volcanogenic massive sulfide deposits. 整理结果表明，双峰式火山岩是火山成因块状硫化物矿床的最佳含矿岩石组合；
- Abundant copper material was derived from volcanic rock series (olivine tholeiite) in the rift. 丰富的铜质来自巨厚的裂谷火山岩系（橄榄拉斑玄武岩）。
- In the area without magma mingling or with weak magma mingling, the host rock is dominated by porphyaceous adamellite showing normal granite fabric. 无岩浆混合作用或岩浆混合作用较弱区段,寄主岩石以似斑状二长花岗岩为主,显示正常的花岗岩结构构造岩浆混合作用强烈区段。
- Wangjiawaizi gold deposit occurrs in Lower Proterozoic opimetamorphic rock series. 王家崴子金矿床赋存于辽南古元古代浅变质岩系中。
- Volcanic rock series include mainly the shoshonite series and subordinately the high-K calc-alkalic series. 火山岩系列主要为橄榄玄粗岩系,其次为高钾钙碱性岩系;
- The metallogenic substance mainly comes from the Archeozoic metamorphic rock series in basement. 成矿物质主要来源于基底太古界变质岩系。
