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- oceanic magmatic activities 海底岩浆活动
- The genesis of tungsten ore is in affinity to granite magmatic activities in the third and forth periods of Yanshan circle. 钨矿化类型复杂,其中石英脉型钨矿是主要矿床类型。
- The West Tianhan Orogen may undergo a post-collisional collapse since Permian.And the magmatic activities may continu to early Triassic. 二叠纪开始西天山地区处于后碰撞造山阶段,该阶段的岩浆活动可能一直持续到早三叠纪。
- Granites at the middle Variscian period are the largest scale magma activities on the Caledonia foldbelt inthe west Tianshan mountain. 海西中期花岗岩是西天山加里东褶皱带内规模最大的一次岩浆活动。
- LUO Zhao-hua, DENG Jin-fu, HAN Xiu-qing. 1999. Magmatic Activities and Orogenic Process of Taihangshan Intraplate Orogen [M]. Geological Publishing House, Beijing (in Chinese). 罗照华;邓晋福;韩秀卿.;1999
- On the basis of the analyses of geological background ,structure,strata and magmatic activities of gold mineralization,the further study of ore prospecting orientation is made. 在分析金矿成矿地质背景、构造、地层及岩浆活动基础上,进一步探索找矿方向。
- Its genesis is closely relted to copper and potassium alkaline submarine volcano complex, and magmatic activities provided hydrotherm and heat for gold mineralization. 在成因上均与铜石富钾碱性潜火山杂岩关系密切,岩浆活动为成矿提供了热液和热源。
- Originally,it belongs to the syntectic granite series,and about the source,belongs to mixed type of crust mantle having obviously multistage magmatic activities. 在成因上属于同熔型花岗岩系列,在物质来源上属于壳幔混合型,岩浆活动具明显的多阶段性;
- Seven large areas (zones) of magmatic activities were detected on the basis of rock density characteristics and Bouguer gravity anomaly data of eastern Inner Mongolia. 摘要依据岩石密度特征,应用布格重力异常资料,在内蒙古东部地区推断7个大型岩浆岩活动区(带)。
- The shearing structures formed by magmatic activities are the migratory channels of the hydrothermal solution and space for the forming of veins or ore-bodies. 伴随岩浆活动产生的一系列剪切构造既为成矿热液运移提供了通道,也为矿质沉淀提供了有利空间。
- There have not been any magma activities in the area since the Mz;the geological characteristics and. the results of the thermal simulated experiment of the coal me... 打前探孔、震动放炮、抽放卸压等措施对于防治突出,减少损失具有积极的作用,而厚煤层中的断裂带部位是最危险的区段,应重点防范。
- Being complex geological evolution, intense tectonic movements and frequent magmatic activities, the region of western Huma is considered to be a favorable metallogenic area for gold deposit. 呼玛西部经历了复杂的地质发展过程,构造活动强烈,岩浆活动频繁,金成矿条件极为有利。
- Magmatic activities are developed under special tectonic setting, and granite masses of different types and properties are widely formed in different orogenic stages and tectonic settings. 独特的大地构造环境使岩浆活动异常发育,广泛出露面积巨大的花岗岩体,不同造山阶段、不同构造环境均有不同类型、不同特徵的花岗岩出露。
- The results show that the Manaoke gold deposit was formed in Late Indosinian epoch, that its ore_forming materials came from surrounding strata, and that magmatic activities were involved in ... 结果表明,马脑壳金矿床形成于印支晚期,其成矿物质来自围岩地层,岩浆流体参与了成矿作用,矿床为与岩浆活动有关的混合热液金矿床。
- The Early Himalayan period (from Paleocene to Eocene) was relatively quiet in terms of magmatic activity. 喜山早期(古新世至始新世)岩浆活动微弱。
- 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。
- This creature lives in the depth of the ocean. 这种生物生活在海洋深处。
- Based on isotopic geochemistry,relationship between mineralization of Shanmen silver deposit and regional magmatic activity is discussed. 文章运用同位素地球化学方法对四平山门银矿成矿作用与区域岩浆活动的关系进行了探讨。
- These deposits are controlled by both structures and stratigraphic horizons, and genetically, are in close relationship with magmatic activity. 区内矿床受构造和地层双重控制,成因上与岩浆活动关系密切,形成本区优势矿产。
- The astronauts splashed down in the Pacific Ocean. 那些宇航员们溅落在太平洋中。