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- preorogenic magmatism 造山前的岩浆酌
- S-type granites should not be considered as the evidence of plume magmatism. 不能把S-型花岗岩作为地幔柱岩浆作用的证据。
- The geological structures of the region is simple with only weak magmatism. 含矿岩系为蓟县系雾迷山组富镁碳酸盐岩,区域构造简单,岩浆活动微弱。
- The deposit genetically belongs to epithermal type related to magmatism. 矿床类型为与岩浆作用有关的浅成低温热液型。
- Acid intrusions of Late Caledonian or Early Variscian Epoch result from island arc magmatism. 加里东晚期或华力西早期侵位的酸性侵入岩为岛弧环境产物。
- The study shows that the metallizing in this region are controlled by the tectonization and the magmatism. 研究表明,构造和岩浆作用是该区金矿成矿两个最主要的成矿条件。
- Also, evidence of magmatism have been seen before in that area of the fault system. 万能的造物者制造理念,比如制造了桌子的理念。
- Tungsten-tin mineralizations in the Nanling Range are closely related to granitic magmatism. 摘要南岭地区的钨锡成矿作用与花岗岩岩浆活动有十分密切的关系。
- This area has excellent metallogenic conditions in t erms of stratigraphy,structure,magmatism ... 多种成矿信息表明,研究区是寻找大型、超大型矿床的有利远景区之一。
- The mian factors to control gold deposits are source beds, magmatism and structures. 控制金矿产出的主要因素包括矿源层、岩浆作用和各种构造。
- They are all exposed to multiple tectonism and magmatism and take the final shape in Yanshanian Period. 两个花岗岩均经历了多期构造-岩浆作用,最终形成于燕山期;
- Research on tectonism and magmatism can provides scientific basis and direction for the prospecting. 并提出首先要研究该区的构造运动、岩浆活动,从而为地质找矿提供明确的方向。
- Danba area has undergone multiperiod deformation, metamorphism and magmatism since Mesozoic time. 丹巴地区自中生代以来经历了多期的变形、变质和岩浆作用。
- In the north and the east parts, Paleoproterozoic rifting developed well,and then Mesoproterozoic volcanism and weak magmatism overprinted on it. 西南段以新太古代花岗岩-绿岩带的地质事件为主,并叠加较为发育的中生代岩浆活动,成矿以金为主,其次为铜。
- The deposit was directly formed by sedimentation in the Hercynian period and was superim-posed and tranformed by the Yanshanian magmatism. 矿床主要由海西期沉积成矿作用形成,后来受到了燕山期岩浆活动迭加改造。
- The authors con-sider that ore-forming process of the post-magmatic hydrothermal gold deposit has immediaterelations with magmatism. 认为,热液脉型矿床的成矿作用直接与岩浆活动密切相关。
- Based on characteristics of magmatism, We name the rock sub volcanic granite complex, which is a unique style and closely related to the for... 而花岗岩型富铀矿,则与主侵入晚期的中细粒、不等粒小岩体密切相关。
- Study on the lithogeochemistry and its correlation to Jinduicheng granite indicate that they are all products of Yanshanian magmatism. 岩体的岩石地球化学研究并与金堆城钾长花岗斑岩比较,二者同是燕山期岩浆活动的产物;
- In contrast to the compositional polarity for the arc magmatism, the symmetrical lateral zonation for the rifting magmatism is indicated. 指出大陆裂谷带的火成岩常呈组成对称的水平分带,而不同于弧火成岩的组成极性。