The authors study the microscopic structure of main ores in the gold deposit and discribe the natural interlocking assemblages between the gold silver minerals and others in the paper. 通过对河南某金矿床主要矿石的显微研究,根据矿石中的金银矿物与其他矿物的自然连生组合关系,探讨了含金热液在不同成矿阶段的运移形式与沉淀方式。
The difference between MORS – and SSZ – type ophiolites in terms of igneous petrotectonic assemblages is discussed. 探讨了识别洋中脊扩张型(MORS)和洋俯冲带上面(SSZ)蛇绿岩(套)在火成岩组合上的差别。
However, the upper and the middle-upper oil-gas reservoir-forming assemblages are distributed in the third step region and in the southern slope area. 而上部及中部-上部油气成藏组合则主要分布在第三台阶区、南部斜坡区。
Two fossil spore-pollen assemblages are found in the Cretaceous red beds of Jin Ju Basin, Chekiang Province. 浙江金衢盆地白垩系红层,共发现二个化石孢粉组合。
Owing to the fact that various flow path assemblages in hydraulic system have been changed in a slim hole, it is even more important to predict and control the surge pressure in the slim hole. 在小井眼中,由于水力学系统各流道组合发生了改变,预测和控制小井眼波动压力就显得尤为重要。
The assemblages of clastic components and sedimentary environment of the Core 1787 from the East Pacific Ocean 东太平洋1787柱碎屑组分组合与沉积环境
If the farmlands and wildlands are close and the percentages of agricultural pollen of farmlands are low, pollen assemblages of the two land types are similar. 如果农田和荒地比较接近,农田农作物花粉含量又比较低,则两种植被类型花粉组合特征就较为相似。
Evolution of North China-type Early Cambrian sedimentary environments and trace fossil assemblages in Henan Province 河南省(华北型)早寒武世沉积环境演化及其痕迹化石组合
Early-Middle Jurassic Stratigraphy and Palynological Assemblages of the Taibei Depression in the Turpan-Hami Basin 吐鲁番&哈密盆地台北凹陷早、中侏罗世地层及孢粉组合研究
For most of independent gold deposits, especially those of vein type, the ore mineral assemblages and mineral sequences are similar. 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。
Applications of Non-marine Ostracods in Quaternary Paleoenvironment& Advances and Problems in Fossil Assemblages 第四纪湖相介形类壳体化石在古环境中的应用&种属组合研究进展与问题
Phytolith analysis in the surface soils is not only an important approach of studying phytolith assemblages in the Quaternary sediments, but also a basis of Quaternary environment reconstruction. 表土沉积物中的植硅体分析是了解第四纪沉积物中植硅体组成的重要途径,也是重建第四纪古环境的基础。
The Relationship Between the Yield and Assemblages Characteristics of the Spatial Distribution of Leaves of the Cotton 棉花叶片空间分布的聚集特性与产量关系初探
Typical authigenic mineral assemblages after co_2 injected into sandstone CO2注入砂岩后的典型自生矿物组合
Discovery of Early Cretaceous sporo-pollen assemblages from Baisha basin of Hainan and its significance 海南白沙盆地早白垩世孢粉化石的发现及其意义
Several significant changes were found in the composition of the rotifer, cladoceran and copepod assemblages. 许多重要的变化被发现在轮虫,枝角类和桡足类群体的组成中。
On the basis of field findings, mineral assemblages and modes of occurrence of ores, Copper mineralization has been divided into the following types: ① Siliceous asphaltene copper mineralization; 基于野外调研和室内岩矿鉴定,按铜矿化的矿物组合及赋存特点,初步划分为:硅质沥青铜矿化;
This paper reports our present study results on the coral reef fish assemblages monitoring. 本报告系此研究计画中珊瑚礁鱼类群聚变迁的部分。
A Study of Middle and Late Eocene Palynological Assemblages in Jianghan Basin and Their Environmental Significance 江汉盆地始新世中、晚期孢粉组合特征及其环境意义
Granitic tectono-magmatic assemblages mainly reflect the genetic connections between the magma types of granites and tectonic environments. 花岗岩的构造岩浆组合主要反映花岗岩的岩浆类型与大地构造环境之间的成因联系。
The Taiyuan Formation develops three types of strata assemblages, including clastic rock type, limestone type and interbed of clastic rock and limestone type. 太原组地层发育了碎屑岩型、灰岩型和互层型三种组合。
According to statistical analysis of deposit concentration areas, they show ordered variable relationship between assemblages of ore deposits and associations of ore-controlling geological bodies. 从矿床密集区的统计分析,它们是矿床集合与控矿地质体集合上升有序变量关系。
Among them, 12 assemblages area of heavy minerals were formed under the control of lithological and tidal current. 在岩性和潮流控制下,共形成了12区重矿物组合。
The Holocene stratum of Quzhou district is quite different from other areas of Hebei Plain in terms of the buried depth, thickness, depletion rate, color, grain size, structure and pollen assemblages. 摘要河北平原南部曲周地区的全新世地层,在埋藏深度、地层厚度、堆积速率和颜色、粒度结构、孢粉含量与种属等方面,与河北平原其他地区不同。
The assemblages of accessory minerals of the granites show evident characteristics, which can be the classification criteria for the granites. 各类型花岗岩副矿物组成具有明显特点,因此可以利用副矿物和其组合特征作为划分花岗岩成因类型的判别标志。
Sequence of Palaeogene ostracode assemblages and its relation to the petroleum generation in Huanghua Depression 黄骅坳陷早第三纪介形类化石组合序列与油气生成
There are three types of source-reservoir-cap assemblages in the basin. 盆地主要发育三种类型的生储盖组合。
Eocene Palynological Assemblages and environments in the Baise basin of Guangxi 广西百色盆地始新世孢粉组合与环境