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Take for example the certification of origin protection of Xiaoshan green plum, the paper expounds that the construction of a place-of-origin geological model of farm crops based on agrogeological environmental survey may provide a scientific basis for the definition of the region of origin and also basic data for enlarging the planting area of high quality crops and adjusting the agricultural structure.

结合萧山大青梅原产地保护认证的实践,阐明了通过农业地质环境调查建立农作物的原产地地质模型,可为原产地的地域划定提供科学依据,也可为扩大优质农作物的种植面积和调整农业产业结构提供基础资料。

Based on the seismic profile interpretation as well as ground survey and well data, the paper presented structural deformation features of the eastern sector of Altun fault.

在地表地质调查并结合钻井资料分析的基础上,主要通过地震剖面的精细地质解释,对阿尔金断裂东段的构造变形特征进行了系统分析。

Based on surface and subsurface geological data, combined with achievements about the west Kunlun orogen, Tibet, Tarim basin and Altun tectonic zone, it is analysed that geometry and kinematics of the west Kunlun fold-thrust-belt between Sangzhu country in the west and Cele county in the east.

本文通过对研究区地面地质资料和地下地质资料的分析,并结合西昆仑造山带、青藏高原、塔里木盆地和阿尔金构造带研究的新进展,对西昆仑北缘冲断带桑株—策勒段的构造形态和演化历史作了深入的剖析与探讨,取得了一些新认识。

With the increase of the data volume, the researchers adopt analogism, geological abnormal theory and geological conditional combination mineralization theory to extract geological information other than data statistic analysis.

随着数据量的不断增大,以数据的统计分析和知识归纳演绎为主的信息提取技术在各个领域取得了快速的发展,研究者们除了使用数据统计分析外,还采用相似类比推理、地质异常控矿理论以及地质条件组合控矿理论等进行地学信息提取。

The regional geologic setting and geologic characteristics of the gold mineralization in the Toudaogou area, Ankou Town, Liuhe, are analyzed, making the study of the regional geophysical field, and the geochemical field division, meanwhile,the main ore-control factors were preliminarily summed up in the study area.

分析了柳河安口镇—头道沟一带区域地质背景以及金矿化地质特征,作了区域地球物理场研究和地球化学场分区,初步总结出本地区的主要控矿因素,并对今后在该区进一步找矿作了一些探讨。

E. , the middle Devonian sedimentary event, which sedimented a suite of epicontinental -coasta1 paraf1ysch formation (the litholcgy was consisted of low fractoin feldspare sandstone and siltstone, and a layer of argilliferous limestone); secondly, the late Variscan magmatic-tectonic event , three biotite diorite batholiths ( previous K-Ar model isotope age was about 220~260Ma and our two -stage common lead isotope age was 260+ 70Ma) and a large number of fracture-controlled quartz diorite veins intrude, and a series of NS distributed tightly complex folds and fractures were developed; thirdly, the late Paleozoic very 1ow grade metamorphism- deformation event, the chlorite-illite crystallinity indices (Δ°2θ) XRD measurements were about 0.25~0.29, which was correlated to the lower part of the anchimetamorphism, and the extremely dense schists were developed throughout the district outcrops

相当于近变质带的下部,并形成切穿矿区几乎所有主要地质体的窃集片理,这与有限相系浅变质碎屑岩的基本宏观地质特征相吻合

The occurrence state and changing regularity of the Yuanshishan awaruite deposit,Qinghai Province;2. ore-body and ore-forming material occurrence state of three huge deposits in the mine field,the molybdenum ore-forming material origin and ore-forming mechanism were revealed.

河南省栾川县南泥湖钼矿田是我国位居世界前列的超大型钼矿田之一,通过对矿田内三个超大型矿床的矿床地质、矿体地质及成矿物质赋存状态的分析研究,揭示出钼的成矿物质来源和成矿机理,从而为进一步寻找同类型的钼矿资源提供了一系列实物资料。

The presterssed anchor cable frame combined with backwall, drainage is necessary due to longtime sability and permanent utilization.Firstly,according the study of engineering of geology situation of the high slope, the mechanism of deformation failure and the major hazard of the high slope of PanMei is analysed comprehensively.And the whole slope is divided into two different geology enginnering areas:Western slope(1160 section plane -1240 section plane)and Eastern slope(1240 section plane -1320 section plane). The result of 3D numerical simulation is the same as geology judgement. Later,slope cut (1:0.75) is implemented based on the engineering comparison and criterion.Meanwhile, Limit equilibrium method , Monte Carlo Probabilistic slope stability the stability , Sensitivity analysis and Finent element method of for assessing the cutted slope stability is carried out. The result indicates that Western slope is instable, Eastern slope is relatively stable.So much attention should be paid to Western slope.Different reinforcement measures in different areas are given according to its stability and meet economical request. Gravity wall is introduced in accordance with landform in order to prevent small falling at the foot of the high slope ,which will be a threat to the high slope stability. Handling measure is also applied to Eastern slope. At last,FLAC3D numerical analysis shows the feasibility and reasonableness of the handling measure of the high slope.

论文首先研究了边坡的工程地质条件,全面分析边坡的变形破坏机制和边坡的主要地质灾害,将边坡分为西段不稳定边坡区(1160剖面~1240剖面)和东段相对稳定边坡区(1240剖面~1320剖面),通过三维数值模拟再现了边坡在自重作用下的破坏机制和过程;在此基础上通过工程类比和规范要求,确定按照1:0.75进行放坡处理,并分析了放坡后边坡的稳定性状况,分别通过极限平衡法、蒙特卡洛法概率分析、参数敏感性分析和有限元稳定性计算等多种方法对边坡在各种工况下的进行稳定性研究,计算结果表明,西段边坡较之东段边坡稳定情况差,是边坡支护的关键之处,而东段边坡相对是稳定的;边坡的综合治理措施选用的是框架锚索并结合挡土墙和排水工程,治理设计根据不同区段的稳定性情况采用不同的支护结构,做到了经济合理的要求;在边坡的坡脚设置重力式挡土墙,防治边坡小规模的崩塌,会对上部的锚索支护护造成不利影响,进而影响边坡的稳定;东段边坡的填方区也给出了治理对策;最后通过三维显示拉各朗日有限差分程序(FLAC3D)模拟了高边坡放坡和支护效果,论证了治理措施的有效性和合理性。

The result of FLAC^3D numerical modeling indicates that the tension stress distributes along bedding weak layer and in cataclastic rock near slope surface; and potential sliding plane cuts through gradually.

:通过对汤屯高速公路顺层边坡现场工程地质条件的系统调查,首先对边坡的岩体结构类型及其成因机制、结构面与坡面组合特征进行细致研究,在此基础上通过FLAC^3D数值模拟,结合工程地质条件分析,对其变形破坏机制进行深入探讨。

Hypogene high thermal or deep source epi-mesothermal condition and it is not only stressed the mantle source simply but also the crust-mantle;②in order to guid ore exploration better the artificial classification of uranium deposits should be broken and uranium ore-forming system strengthened;③much attention should be paid to searching the diabase-hosted rich uranium ore in strongly argillized cataclastic zone;④attention should be paid to the influence of basement of volcanic basin on the uranium ore formation that should be undstood both in feeling and theoretically through the ore propect process;⑤relation of red basin with uranium ore formation can be made clear from analyzing tectonics, paleo-climate and time and it is not only theoretically important but also helpful to uranium ore prediction;⑥crypto explosive pipe is an uranium ore, rich uranium ore host structure and it is the next goal for uranium ore exploration in east China.

摘要文章论述了华东火山岩型铀矿找矿值得重视的地质问题:①铀成矿既可形成于浅源浅成低温条件,也可形成于深源深成高温或深源浅成中低温条件,在强调深源时,不是简单地认为是幔源就可以了,还必须强调壳幔作用的地质过程;②打破人为的&类型&划分,加强&铀成矿系统&的研究,更好地指导找矿;③研究基性脉体与铀成矿问题应注意构造、岩石矿物成分、成因、蚀变与成矿3大问题,注意寻找泥岩化作用强烈的破碎辉绿岩脉中的富铀矿;④火山盆地基底对铀成矿的作用主要是提供铀源,将基底对铀成矿的影响从感性认识推向理性认识,有效地指导找矿;⑤红盆与铀成矿关系可以从构造、古气候及时间分析研究中得出结论,它不仅仅是一个理论问题,而且有助于铀成矿预测;⑥隐爆角砾岩筒是铀成矿、成富矿的重要储矿构造,是华东火山岩型铀矿找矿的新领域。

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