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- arc magmatic rocks 地质特征
- arc magma rocks 弧岩浆岩
- County in intrusive rock is acidic magmatic rocks. 县境内的侵入岩主要是酸性岩浆岩。
- Ore-forming material,tectonics and magmatic rocks are the metallogenic condi-tions in the studying aeea. 成矿物质和构造-岩浆活动是本区金矿床形成的条件。
- The formation of ore bodies is controlled by stratum,structure,magmatic rocks,physiochemical conditions and so on. 矿体的形成受地层、构造、岩浆岩及物化条件等综合控制。
- The magma of melted detaching and sinking crystal completely mixes with that of the melted crust in the magmatic chamber of crust, which forms the Palaeogene syncollision and volcanic arc magma. 堆晶体发生部分熔融,拆沉物熔融岩浆与地壳熔融岩浆于地壳岩浆房产生完全混合作用,形成古近纪具同碰撞及弧火山属性的岩浆。
- Presence of ore of magmatic rocks depends upon that what ore-forming elements and their abundance are in existence in the rocks. 岩体是否成矿的根本原因是所含成矿元素丰度的高低。岩体形成什么矿产则受不同岩类所含成矿元素种类的制约。
- Basalt-andesite deposit in Jingjiazhuang area of Jinan city belongs to sodium and high-potasium type and sodium-alkali medium-basic magmatic rocks. 济南市靖家庄地区玄武安山岩矿属钠质高钾类、钙碱型中基性火山岩;
- Gravels components from the Cenozoic strata are mainly composed of metamorphic rocks and sedimentary rocks with little magmatic rocks. 新生代地层中砾岩砾石成分稳定，以变质岩和沉积岩成分居多，岩浆岩很少；
- Geochemical characteristics of magmatic rocks,surrounding rocks and rare earth elements in Shihu Gold Deposit are studied. 研究了石湖金矿床岩浆岩、近矿围岩及金矿床矿石稀土元素的地球化学特征。
- Based on study on REE geochemistry of Leqingla Pb-Zn deposits in Tibet,REE in ores and strata limestone have the same characters,and ores are closely related with magmatic rocks. 文章通过对西藏勒青拉铅锌矿床稀土元素的研究,判定矿石与地层(灰岩)有着相同的稀土元素特征,同时矿石与岩浆岩也有着密切的关联。
- The intrusion of magmatic rocks into the coal seams is very popular in the coalfields, the authors tried to outline the intrusion coal seam range by multi-parameter curves. 煤田中岩浆岩侵入煤层现象普遍存在,针对这一问题,进行了尝试,提出利用多参数曲线来圈定岩浆岩侵入煤层的范围。
- The development and evolution of the Neoproterozoic magmatic rocks has reflected the dynamic characteristics of the south margin of Siberian plate in Northern Daxinganling. 整个新元古代岩浆岩的发展演化过程客观地反映了大兴安岭北部西伯利亚板块南缘的运动学特征。
- Most porphyry Cu deposits in the world occur in magmatic arc settings and are formed in association with calc-alkaline arc magmas related to subduction of oceanic-slab. 摘要世界范围内大型-巨型斑岩铜矿多数产于岩浆弧（岛弧、陆缘弧）环境，含矿斑岩岩浆起源与大洋板块的俯冲作用有关。
- Jincang-Hongguang gold mineralization district is an important part of transmeridional magmatic rocks belt controlled by structural volcanic in eastern Yanbian. 摘要金苍-红光地区为延边东部东西向构造火山岩浆岩带中重要的金矿化集中区段。
- In terms of simulation results, energy accumulation and risk zonation of dynamic failure for magmatic rocks and thick sandstone are forecast and analyzed. 并根据模拟结果进行岩浆岩及厚层砂岩能量积聚及动态破坏危险性分区预测分析。
- The characteristics of the strata, structure, magmatic rocks and magnetic anomaly in the west of the deposit are reviewed and its ore prospect is also... 分析了矿床西部的地层、构造、岩浆岩和磁异常特点,探讨了该区的找矿方向。
- The magmatic rock intrudes relative seriously in Wangying Colliery, rock-burst and gas outburst mainly take place near igneous rock wall. 摘要王营煤矿的岩浆岩侵入比较严重，冲击矿压和瓦斯突出多发生在火成岩墙附近。
- In this region, the tectonic faults with NS direction develop, neutral-acid intrusive rocks and alkaline basalt eruptive rocks form two nearly NS direction magmatic rock belts. 区内近南北向隐伏断裂发育，中酸性侵入岩、碱性玄武喷发岩构成近南北向岩浆构造带；
- In the overlapped fault volcan ic basin there occurred extensive magmatic rock consisting of potassium_rich int ermediate_basic to alkaline volcanic rocks and lamprophyre. 在上叠构造断陷_火山盆地单元内，广泛分布幔源岩浆 岩，包括中基性到碱性的侵入岩、富钾火山岩和煌斑岩；
