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- 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 source rock of metallogy and hosting rock are related to the granodiorite.It belongs to a skarn gold deposit. 成矿物质来源与赋矿地层及花岗闪长岩有关,属夕卡岩型金矿床。
- 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。
- 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。
- 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。
- Host rocks are pelitic siltstone and silty mudstone. 矿体明显受断裂控制。
- 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;
- 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。
- 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 host rock of the Mengku iron deposit is mainly the amphibole-oligoclase-gneiss formed by the progressive regional metamorphism, and locally is the fractural migmatite. 蒙库铁矿床的赋矿围岩主要为前进区域变质作用产生的角闪更长片麻岩,局部可见断裂混合岩化现象。
- When the formation period of formation water is different to its host rock, its chemical property in oil layer may be entirely different to adjacent water layer. 沉积盆地中的外来水可以来源于浅部或地表,重力是其运移的主要动力。
- There are many similarities of the REE distribution patterns and incompatible element patterns between the enclave and the host rock ( subvolcanic porphyric granodiorite ). 包体与寄主岩(次斑状花岗闪长岩)的稀土元素曲线和不相容元素蛛网图的形态非常相似。
- The shapes and fabric of the inclusion, as well as the strong exchange of the chemical compositions between the enclave and the host rock indicate the magma mingling. 包体的形态、结构构造以及与寄主岩石强烈地成分交换等均是岩浆混合作用的标志。
- The source of silica derived from the thriving of the siliceous-shell organisms, combining with evidences from the formation of nodular celestite and sepiolite in the host rock. 结合栖霞组菊花状天青石和海泡石成因研究结果,本文认为组成栖霞组燧石结核的硅质来源与当时全球硅质生物的繁盛有关。
- The ore hosting rocks are iron bearing dolomitic silt in the lower part of the upper Devonian Xinghongpu Formation. 赋矿地层为具浊流沉积和热水沉积特征的上泥盆统星红铺组底部铁白云质粉砂质千枚岩,矿体产状与围岩近于一致。
- Wenquan granite is composed of two end-member rocks, one is the host rock of the acid end-member, and the other is the microgranular mafic enclave. 摘要温泉花岗岩体由酸性端元的寄主岩石和暗色微细粒镁铁质包体群及基性岩墙群组成。
- The talc-schist ,talcmarble and biotite-schist are the most favourable hosting rocks to mineralization. 最有利于矿化的围岩是富镁的滑石片岩、含滑石片岩、含滑石大理岩和黑云母片岩等。
- Its host rock is picritic volcanics,which is different from other volcanic rocks related to iron(copper) ore deposit. 其赋矿围岩为苦橄质火山岩,区别于与火山岩相关的各类铁(铜)矿。