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- The sequence of hydrothermal activity is C 3MS 2> CMS>CFS. 水热活性 :C3MS2>CMS>CFS;
- Metallogenic conditions are analyzed from the magmatism of REE bearing syenite,hydrothermal activity and fracture activity. 从富含稀土的正长岩岩浆活动、浅成热液作用和断裂构造分析了矿床成矿条件。
- Dalucao Xishan etc.Metallogenic conditions are analyzed from the magmatism of REE-bearing syenite,hydrothermal activity and fracture activity. 从富含稀土的正长岩岩浆活动、浅成热液作用和断裂构造分析了矿床成矿条件。
- The overlying siliceous rocks were not influenced by hydrothermal activity, and they are deposited on the margin of a hydrothermal basin. 矿体顶板上覆地层中的硅质岩基本没有受到热水活动的影响,沉积于盆地边缘的构造环境;
- From early to late stage metallogenic hydrothermal activity evolves from high to low altitude in space, and the oxygen fugacity changes frow lowto high value. 成矿热液活动由早阶段到晚阶段在空间上似具有由高向低、氧逸度具由低到高的演变特征。
- The Houjiangqiao Pb Zn deposit features multi source, multi stage in mineralization, which is mainly related to Devonian strata and hydrothermal activity. 后江桥铅锌矿具有多源、多阶段成矿特点,成矿主要与泥盆纪地层及热液作用有关。
- The discovery of modern sea-floor hydrothermal activity and the study on their distribution and genetic models represent a major achievement in marine geology and economic geology. 摘要现代海底热液活动的发现及对其分布特徵和成矿机理的研究是近年来海洋地质学和矿床地质学的一大进展。
- The REE distribution patterm indicates that there are multistage hydrothermal activity of quartz vein in Xingou, and the characteristics of quartz vein in Jinduicheng, Mahe, Dashigou. 石英脉的稀土元素研究证明西沟地区兼有金堆城、马河、大石沟钼矿床含矿石英脉的稀土配分曲线特征,具有多期热液活动。
- The well preserved microbial sedimentary structures in the chert of the Laobao Formation imply the important roles of the microbial mat on the chert formation, together with an hydrothermal activity. 微生物席/膜的硅化可能是前寒武纪-寒武纪之交较深水相硅质岩沉积的重要模式。
- Deep-sea hydrothermal activities and hydrothermal products which were found dur-ing nearly 20 cruises in the past 26 years of DSDP/ODP are introduced. 在DSDP/ODP的26年钻探中,有近20个航次钻遇到热液作用踪迹或热液产物。
- Seafloor hydrothermal activities have been found in tbe Red Sea, Galapagos,East Pacific Rise, Gulf of California, and Mid-Atlantic Ridge since 1960s. 六十年代以来,在红海、加拉帕果斯、东太平洋隆起、加利福尼亚湾以及大西洋中脊等地发现了海底热液活动并有富含重金属的沉积物形成。
- The submarine hydrothermal activities in the Arctic Ocean have practical significance for the oceanic mineral resource researches. 海底热水活动是当前海洋地质研究的热点,北极是全球变化研究的理想地区,发生在北极地区的海底热水活动不仅对大洋矿产资源研究有着现实意义,而且对全球变化研究也有重要意义。
- Seafloor hydrothermal activities are involved with extreme conditions.Therefore traditional deep-sea investigation methods can not be satisfied with the investigation demand. 摘要现代海底热液活动涉及到高温高压环境,异常的热液环境使得传统的深海调查研究方法已远不能满足热液活动研究的需要。
- Survey Methods of Modern Hydrothermal Activity 现代海底热液活动的调查研究方法
- Deep Sea Hydrothermal Activity in the North Sea 北极海盆的深海热液
- low temperature hydrothermal activity 低温热液
- Shallow-submarine hydrothermal activity 浅海热液活动
- The analytical results reveal that there are five sources of PGEs in coals: magmatic hydrothermal activation, low-temperature hydrothermal fluid, synsedimentary volcanic ash, erogenous supply, and seawater. 分析结果表明,煤中铂族元素主要是通过岩浆热液活动、低温热液流体、同沉积火山灰、陆源碎屑输入和海水等诸种地质作用形成的,前3种作用是造成煤中铂族元素异常的主要原因。
- Characteristics of the mineral assemblage and primary homogenization temperatures indicate that the precipitation of fluorite is related to hydrothermal activities in Tazhong area. 矿物组合和原生包裹体均一温度特徵表明萤石的形成与塔中地区热液活动有关。
- Since Triassic period, several magmatic hydrothermal activities, which related to the regional tectonic evolution, have close relations with the gold mineralization of Yangshan gold deposit. 自三叠纪以来,与区域构造演化有关的多次岩浆热液活动与阳山金矿成矿作用存在密切相关。