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- Wall rock pressure 围岩压力
- In a certain temperature and pressure conditions, fluid and wall rock constant interaction can produce all types of minerals DRUSE well developed. 在一定温压条件下，流体和洞壁围岩不断相互作用，才能生成各种发育完好的矿物晶簇。
- The characters of deep mine are larger raw rock pressure,larger ore body plasticize,mine pressure severe appearance. 深矿井的特征是原岩压力大、矿体塑性大及矿山压力显现剧烈。
- Wall rock is a special medium of underground engineering and its stability affects directly production and safety. 摘要围岩是地下工程类特殊的介质，其稳定性直接影响到生产和安全。
- The caving of thick and strong roof stratum,key stratum,causes tremendous rock pressure in mine. 采场上覆岩层中的厚硬岩层,即厚硬关键层,其冒落会造成剧烈的矿山压力显现。
- The paper carefully analyzes bolt supporting system, and measures the parameters of coal wall rock in Fuxin diggings. 本文对锚杆支护理论进行了系统分析，并对阜新矿区煤巷围岩的参数进行了实验测定。
- Secondly, simulation elicits wall rock transmogrification under the different coal pillar and different stress. 其次模拟研究分析了留设煤柱宽度不同时以及地应力大小不一时沿空巷道围岩变形情况，得到了一些认识；
- The results show that both ore body and wall rock have weak or strong rockburst proneness. 结果表明,该矿矿体和围岩均具有发生弱或强烈岩爆的倾向性。
- Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed. 根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。
- The main wall rock alterations of the Kangshan goldfield are silication,sericitization,carbonicacidation and pyritization. 康山金矿田围岩蚀变主要为硅化、绢云母化、碳酸盐化及黄铁矿化。
- On the basis of the observation to rock pressure,the strata behavior regularity of 93305workface is summarized,and the reason is analyzed,rome reasonable advices is put foreward. 在矿压观测的基础上，总结了该工作面的矿压显现规律，并对原因进行分析，最后就工作面的开采提出合理建议。
- In flat dip layer, the seam thickness control the stability of the wall rock, the thick-bedded hard rock is stable than the thin-bedded hard rock. 岩层厚度在缓倾斜时对围岩稳定起控制作用，厚层硬岩整体稳定性好于薄层状硬岩。
- The alteration distribution from ore body to wall rock is skarn-high silicification-low silicification-quartzification and carbonatization. 矿体至围岩明显有矽卡岩化-强硅化-弱硅化-石英、碳酸盐化的蚀变分带特征。
- The wall rock alteration characteristics and the relationship between wallrock alteration and the alteration model are set up in the paper. 对花山花岗岩体中金矿的围岩蚀变特征和围岩蚀变与金矿化的关系进行了研究,并建立了蚀变模式。
- The lead-zinc ores can be classified into the hydrothermal vein type and the skarn type with strong wall rock alteration. 纳木错-嘉黎断裂带是以铜、铅、锌为主的多金属成矿带,矽卡岩型矿床是该区带典型矿床类型之一。
- The oecurrence of tourmalinite is the same as that of wall rock,but the obvious feature of the tourmalinite is microlaminated structure. 主要成分为微粒镁电气石，其次有石英、长石，少量粘土矿物、毒砂和黄铁矿。
- The mag matic water is a component of ore forming hydrothermal water.And the gold mater ial sources stem from the wall rock and the granite. 认为在热液蚀变作用过程中，稀土元素保持惰性，成矿热液与岩浆热液有关，赋矿围岩及矿区花岗岩提供了成矿物质。
- Based on measured rock pressure and experimental data under thick watered loose bed of Wanbei mining area,dimorphism and mutation characteristics of ultrathin bedrock working face roof are discussed. 以皖北矿区厚含水松散层下超薄基岩开采工作面实测矿压资料与实验数据为依据,论述了超薄基岩工作面顶板的风化变异特征。
- It is concluded that location of foot-wall drawing points are closely related to orebody dip, cut-off grade and ore grade of wall rock. 认为下盘放矿点位置与矿体倾角、放矿截止品位、围岩含矿品位有着密切的关系。
- Based on measured rock pressure and experimental data under thick watered loose bed of Wanbei mining area, dimorphism and mutation characteristics of ultrathin bedrock working face roof are discussed. 摘要以皖北矿区厚含水松散层下超薄基岩开采工作面实测矿压资料与实验数据为依据，论述了超薄基岩工作面顶板的风化变异特征。
