矿体圈定,ore delineation
1)ore delineation矿体圈定
1.It surmounts the difficulties such as ore delineation,etc in reserve calculation.程序对储量计算中矿体圈定等难点解决较好。
英文短句/例句

1.Analysis and Development of Multi-project Ore body Delineation Model Based on GIS基于GIS的多工程矿体圈定模型分析与实现
2.A discussion on four kinds of grades applied to contour ore bodies under the condition of market-oriented economy;试论市场经济条件下圈定矿体的4项品位指标
3.Application Research of Neural Network Technique in Orebody Delineation神经网络技术在矿体边界圈定中的应用研究
4.This, with all available information on topography, primary and secondary mineral dispersal helps to locate the mineralization.有关地形、水系、原生和次生矿物分布有助于圈定矿体。
5.Application of GIS in Final Pit Limit Determination of Cement Mine地理信息系统在水泥矿山境界圈定中的应用
6.Shallow Lava Boundary Enclosure on Open Pit of Dahongshan Iron Mine and Optimization Research大红山铁矿浅部熔岩露天境界圈定及优化研究
7.Determination of Mine Movement Scope Based on 3D Modeling Technology基于三维建模技术的矿山移动范围圈定
8.The Delineation and Visualization of Optimal Target Area of Gold Ore Based on ArcView GIS基于ArcView GIS的最佳金矿靶区圈定及可视化
9.Slide the one-piece gasket over the dowels and onto the block.将单片垫圈沿定位销滑动到汽缸体上
10.Study on Stability of Caving 2~# Orebody at Anqing Copper Mine安庆铜矿2~#矿体开采稳定性研究
11.The method could well prove effective in defining broad areas of uranium favourability.该法在圈定大面积的铀成矿有利区方面可能是有效的。
12.Geodata Mining and Target Enclosing by Geology Geochemistry & ETM~+ Romote Sense in Alagou Area Tianshan Mountain;天山阿拉沟地区地质地球化学ETM~+遥感图像处理与找矿靶区圈定
13.Metallogenic Target Area of Shuicheng-Aijiaping Area in Guizhou is Delineated as the by 1∶50,000 Magnetic Abnormality用1∶5万磁异常特征圈定贵州水城—艾家坪地区成矿靶区
14.Thickness Determination and Controlling of Loose Surrounding Rock Zone of Soft-rock Roadway in Deep Mine深部矿井软岩回采巷道围岩松动圈厚度的确定与控制
15.Research on 3D Digital Deposit and Stereo Quantitative Prediction of Concealed Ore Body;三维数字矿床与隐伏矿体立体定量预测研究
16.Fault-free Cycles Passing Through Prescribed Paths in Hypercubes with Faulty Vertices具有点故障的超方体中经过指定路的无故障圈
17.Locating-Prediction of Blinded Gold Ore Bodies out of Heilongjiang Wulaga Gold Deposit;黑龙江乌拉嘎金矿外围隐伏矿体定位预测
18.Prediction of Orebody in Yinmusi Lead Zinc Mine of Fengxian Shaanxi;陕西凤县银母寺铅锌矿矿体定位预测研究
相关短句/例句

The multi-plans block-out多方案圈定矿体
3)ore area delineation矿区圈定
1.Research on multi-dimension data models and ore area delineation of cobalt-rich crust;富钴结壳多维数据模型及矿区圈定研究
4)re-contouring ore body重圈矿体
5)delineation of target area of gold ore金矿靶区圈定
6)Outlining of prospecting target圈定找矿靶区
延伸阅读

矿体矿体orebody具有开采价值的矿石堆积体。有一定的形状、产状和规模。除矿石外,还常含有无用的岩石和矿物,称为夹石或脉石。矿体周围无经济价值的岩石是矿体的围岩。矿体与围岩的交接形式多种多样,有的界限清楚截然,有的逐渐过渡(渐变)。在后一种情况下,矿体的边界需要根据对所采岩石、矿石样品的分析结果,按矿石边界品位加以确定。矿体形状受控矿地质因素(地层、岩石、构造等)和成矿作用方式(沉积成矿、热液充填成矿、交代作用成矿等)决定。根据矿体在三度空间延伸比例的不同,通常将矿体形状分为3类:①等轴状矿体。三度空间上大致均衡延伸的矿体,有矿囊、矿巢等,一般规模较小。②板状矿体。两个方向(长度、宽度)延伸较大、另一个方向(厚度)延伸较小的矿体。此类矿体最常见,典型代表为矿层和矿脉。矿层是指与上下围岩在同一地质时期形成,且与围岩层理产状一致的矿体,多见于沉积矿床和变质矿床,如铁矿层、煤层和铝土矿层等。矿脉是产在各种岩石裂隙中的板状矿体,系由含矿物质充填围岩的裂隙而成。如金矿脉、铜矿脉等。矿脉和矿层都夹持在围岩中,其上部的围岩称顶板(顶盘、上盘),直接伏于其下部的围岩称底板(底盘、下盘)。③柱状矿体。指一个方向延伸长而另外两个方向延伸很短且大致相等的矿体,包括矿柱、矿筒、矿管等,如铅-锌矿柱、金刚石矿筒。除上述3类矿体形状外,还有一些过渡类型矿体(如透镜状矿体)和复杂形状矿体(如梯状矿脉和网脉状矿体)。矿体形状图网脉状矿体矿体产状指矿体的空间位置和产出状态。包括①矿体的产状要素——走向、倾斜、倾角等。②矿体的埋藏情况。矿体有产在地表的,有隐伏地下的。隐伏矿体又分为埋藏矿体和盲矿体。埋藏矿体指矿体生成后曾经在地表出露过,以后又被沉积物、火山岩等所覆盖。盲矿体是指产在地下基岩中的,即形成后从未出露过地表的矿体。矿体的埋藏深度和延伸情况,对找矿和采矿工作关系重大,利用钻探工程和坑探工程,可以直接查明这些情况。③矿体产状变化。一些矿体产状稳定,另一些矿体产状变化幅度大,如矿脉的膨胀、狭缩、分支、尖灭(矿体变薄直到消失)等。矿体受构造破坏时常出现弯曲、错断、破碎等。研究矿体产状变化对找矿和采矿都很必要。