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- These two granitoid series have apparent difference in their petrochemical compositions and accessory mineral assemblages. 二系列岩体的岩石化学成分和副矿物组合有明显的差别。
- For most of independent gold deposits, especially those of vein type, the ore mineral assemblages and mineral sequences are similar. 摘要绝大多数独立金矿床,特别是脉状金矿的矿石矿物组合及其成矿阶段都是十分相似的。
- Hedong"s gold body is fully continuous lens ,has the characteristics of typical mineral assemblages of mesothermal ore deposit a nd zoning of wall-rock alteration. 河东金矿床矿体呈完整、连续的透镜体,具有典型的中温热液矿物组合和围岩蚀变分带特征。
- Wudang area,the polydeformation of roks was caused by nappe movement,and the paragenetic mineral assemblages corresponding to the polydeformation could be found. 在武当山地区的青峰断裂带上,由推覆构造引起了岩石的多期变形,并发现有与之相应的共生矿物组合。
- The proxies including mineral assemblages, major elements, sea-ice rafted materials and grain size analyses of the core sediments were utilized to discuss the environmental changes. 本研究利用矿物组成分析、主要化学元素分析、海冰漂砾物质与沉积物粒径组成等方法对岩芯沉积物进行分析,以探讨过去一百七十七万年来,鄂霍次克海的环境变迁。
- The sediment-environment, the mineral assemblages, and influence of marine are the main geologic factors of the contents and distribution patterns of rare-earth element in the coals. 煤的沉积环境、煤中无机矿物的组成以及海水的影响是控制煤的稀土元素质量分数及其配分模式的主要地质因素。
- Provenance analysis mainly includes comparison of debris compositions, heavy mineral assemblages, sedimentary facies, geochemical analysis, cathodoluminescence image of quartz and so on. 物源区分析技术主要包括碎屑成分对比技术、重矿物分析技术、沉积相分析技术、地球化学分析技术、石英阴极发光分析技术等。
- The silver mineral assemblages and mineralization series,and shapes,textures,grain size,distribution features of the silver minerals are closely related to the nature of ore-forming fluids... 银的配分受矿石氧化强度、矿物组合及嵌布形式控制。这一研究成果为有效提高银的回收率提供了科学依据。
- These changes reflect the effects of burial diagenesis on the originally deposited clay mineral assemblage. 这种变化反映了埋藏成岩作用对原来沉积的粘土矿物组合的影响。
- Authigenic mineral assemblage formed in different ambients is distinct to each other. 两种环境下形成的自生矿物组合截然不同。
- These changes reflect the effects of burial diagenesis on the originally deposited clay mineral assemblage . 这种变化反映了埋藏成岩作用对原来沉积的粘土矿物组合的影响。
- Based on the authigenic and clay mineral assemblage, two types of diagenetic ambient have been recognized in the Meso-Cainozoic detrital rocks in Tarim basin. 根据自生矿物与粘土矿物组合,在塔里木中新生界碎屑岩中可以识别出两种成岩环境。
- Authigenic mineral assemblage and two types of diagenetic ambient found in the Meso-Cainozoic reservoir sandstones in Tarim basin. 塔里木盆地中新生界储层砂岩自生矿物组合与两种成岩环境
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- The Subei basin is characterized by quartz and feldspar with abundant volcanic grains.The two basins are of different heavy mineral assemblage. 这两个盆地也具有不同的重矿物组合,与阿克塞盆地相比,肃北盆地含有较多的不稳定矿物(绿帘石和角闪石)。
- The change of the mineral assemblage and content of every ore zone makes the change of the existing state and distribution of Au. 由于各矿带矿物组合及含量的变化,使金的赋存状态及分布也发生相应改变。
- Ore-control structure, petrographic features, orebodies' characteristics, mineral assemblage, deposit type, prospecting criteria and prospecting perspective are discussed. 本文对该矿床的控矿构造、岩体特征、矿体特征、矿物组合、矿床类型、找矿标志、找矿前景等。
- The shatteredaltered rock type ores have rather complex mineral assemblage:besides large quantities of metallicsulfides and oxides(pyrite,galena,spha... 为探讨此金矿床的成矿特点提供了一些矿物学依据。
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏,包括黄金。
- The country possesses rich mineral resources. 这个国家有丰富的矿产资源。