The change of ore occurrence is the result of ore expansion and contraction, and branch recombination and thinning out.
指出矿体产状变化是矿体膨胀收缩、分支复合和尖灭再现的结果。
For prospective iron ore area or an anomaly zone, where the ore occurrence regularity has not been thoroughly studied , detailed geological investigation and mapping should be made.
对已工作过的铁矿远景区（带），而矿产赋存规律尚不清楚的区段或磁异常区，应加强研究和填制地质图；
Compared with other production section, south section ore scale, shape and occurrence are different, and it is difficult to control mining dilution rate in this section.
狮岭南地段矿体规模、形态、产状特征与其他主生产地段相比，差异很大，该地段采矿贫化率较难控制。
The main ore-bearing structure are the interlayer-gliding fracture zone, contact area of rock mass and fracture structure, which controlled the shape and the occurrence of orebody.
层间滑动破碎带、岩体接触面和断裂构造是主要的含矿构造，它控制了矿体的形态和产状。
It is proved that the occurrence of roof caving and ore pillar fracturing is rapidly decreased, and the whole safety of mining stop is significantly improved.
现场实践证明，采场顶板发生冒落、矿柱出现开裂或片帮等现象急剧减少，采场整体稳定性得到显著提高。
The faults of various times coincided with, and rebuilded by the ore-formation in the later mineralizing process, and became the ore-occurrence structures of the Dongping gold deposit.
不同期次剪切裂隙的复合叠加，经后期成矿地质作用的改造，成为东坪金矿的赋矿构造。
The faults not only controlled the timing and the type of gold mineration, but also the distribution and occurrence of gold ore bodys.
断裂构造不仅控制着金矿化的时间，而且控制着金矿体（床）的空间分布及产状，同时也控制着金矿化类型。
The occurrence of ore bodies is of great importance for the choice of the exploration methods.
矿体产状对勘探手段的选择甚为重要。
Super_large ore deposits have always received great attention due to their high economic value and special geological environments and conditions of occurrence.
超大型矿床因其巨大的经济价值和特殊的产出地质环境与条件历来受到重视。
By investigating the process mineralogy, the occurrence states of copper in the ore were found out, thus the treatments of sulphidizing flotation and bacteria leaching of copper oxide ore were made.
工艺矿物学研究，查明了矿石中铜矿物的赋存状态，由此制定了氧化铜矿硫化浮选和细菌浸出两种处理工艺。
A key to ore dressing of quartz sands includes rude ores of high or low quality, occurrence and distribution of detrimental impurity such as iron and aluminium in size grades of placer deposits.
石英砂原矿质量的优劣，有害杂质铁、铝的赋存状态及其在各粒级砂矿中的分布，是决定选矿效果的关键。
Based on review and analysis on occurrence characteristic of phosphate rock resources of Yichang, the feasible beneficiation is adopted to process a mid-low grade collophanite ore.
综述并分析了宜昌磷资源赋存特征，提出了适宜的选矿工艺。
Through an exploratory survey of residual deposit in the sourthern zone of a copper ore mine, inclined thin veins with difficult occurrence and complicated mining conditions were discovered.
对于急倾斜极薄矿脉的开采国内外最常用的采矿方法是浅孔留矿法，实践表明，该法存在人工劳动强度大、矿石贫化率高等缺点。
It is considered that the occurrence of the veins are controlled by the stratum and structure. And the ore formations have closely relationships with lithology, structure and magmatic activity.
认为矿脉的产出受地层、构造控制，成矿与岩性、构造、岩浆活动关系密切。
Ore body in space was the distribution of superposition, the same occurrence.
矿体在空间上呈迭加分布，产状一致。
The deposit is mainly controlled by the Anchanghe-Co-Guanyinba fault, the sub-interlayer shear belts and sub-fault belts of it are the favorable place where gold ore body occurrence.
该矿床主要受安昌河—观音坝断裂带控制，带内一系列次级层间剪切带或次级断裂是金矿体的有利赋矿部位。
From the relation between ore pile soakage rate and occurrence, on the basis of practice of stope leaching, the methods of lixiviant distribution for stope leaching are described in this paper.
从矿堆浸润率与矿体(矿堆)产状的关系人手，结合原地爆破浸出实践，对原地爆破浸出工艺的布液方法进行了论述。
Denggezhuang gold deposit is located in north of Muping-Rushan gold ore belt. The occurrence of gold-bearing quartz vein was controlled by NNE-trending faulted zones.
邓格庄金矿床位于胶东牟平-乳山金矿带的北段，含金石英脉受nne向断裂控制。
Nannihu molybdenum mine field is the important component part of the East Qinling-dabie mountain ore forming belt, in which the ore-forming material occurrence state of s…
河南栾川南泥湖钼矿田属东秦岭-大别山钼成矿带的重要组成部分，矿田内矽卡岩- 斑岩型钼矿床的成矿物质赋存状态具有区域代表性。
Nannihu molybdenum mine field is the important component part of the East Qinling-dabie mountain ore forming belt, in which the ore-forming material occurrence state of s…
河南栾川南泥湖钼矿田属东秦岭-大别山钼成矿带的重要组成部分，矿田内矽卡岩- 斑岩型钼矿床的成矿物质赋存状态具有区域代表性。
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