orebodies

The major structure in the region is a brachy anticline, in which the circular bedding slip faults strictly controlled the localization of the orebodies.

区内主体构造为一短轴背科，产于背斜中的环状层滑断层严格控制了矿体的展布。

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Formation of orebodies and, especially, preservation of has close correlation with geological structure.

矿体的形成, 尤其是矿体的赋存和保存与地质构造密切相关.

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Orebodies zonal distribution are strictly controlled by crater structure.

矿体严格受火山口构造控制.

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Drift and fill method is widely used in gold mines and nonferrous metal mines. This method has many advantages such as flexible stope arrangement, high recovery, low ore loss and dilution, and possible mining of orebodies with unstable ores and country rocks.

进路式采矿法在我国的黄金和有色金属矿山得到了较为广泛的应用，该方法具有采场布置灵活、回采率高、损失贫化率小、可开采矿岩不稳定的矿体等优点。

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The main Lithology and ore controlling fracture system of Dongxiang Copper deposit belongs to peel fault system and the main orebodies occur in fracture zones of peel fault system where sharp dip tend to be gently.

东乡铜矿床主要控岩控矿断裂系统属于剥离断层系统，主要矿体赋存于剥离断层系统各断裂破碎带由陡变缓处；

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In exposed rock areas and worked out mines, structure rock fissure survey and vein rock survey can be employed to trace deep blind orebodies.

在岩石裸露区和已开采的矿山采用构造岩石裂隙测量和脉岩测量追踪深部盲矿；

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Sharp grade cutoffs are the rule at margins of orebodies.

品位的急剧下降是矿体边界上的规律.

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its geological characteristics, determination of exploration type, division of grid, selection of exploration means, controlling of orebodies and exploration precision are summarized.

对煎茶岭金矿床矿体地质特征、矿床勘查过程中矿床勘探类型的确定、网度的划分、勘探手段的选择及对矿体的控制程度、准确性做了简要的总结。

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B reserves of No. 1 and 2 orebodies over 190 m by mining confirmed, its ore content, grade and metallic content all decline and the declination are respectively 13 9%, 1 7% and 15.3%.

-190m以上1、2号矿体生产勘探的B级储量经采矿验证后，矿石量、品位及金属量均下降，降幅分别为13.9%、1.7%及15.3%；

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ionic halos form by the dissolution of the minerals surrounding the concealed orebodies.

在隐伏矿体的周围产生矿物溶解，即在矿床的周围形成离子晕。

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orebodies were found in groups and distributed zonally, and are of strong orientation and approximately equal in distances.

矿体成群成组出现，成带分布，具有明显的方向性与近似等距性。

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Early Carboniferous volcanic exhalation brought part of minerals such as Fe, Pb, Zn, formed several massive sulphide orebodies.

早石炭世的火山喷流作用带来了部分Fe、Pb、Zn等成矿物质，形成了部分块状硫化物矿体。

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F, Cl, Br and I are enriched in the upper wall rocks of buried orebodies, showing that the halogens can be used as indicator elements of buried ores such as the Wanshan Hg deposit.

在隐伏矿体上部围岩中，F、Cl、Br、I都有异常显示，这种卤素元素异常对寻找隐伏矿体具有指示意义。

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The gold orebodies were controlled by main slip fault zone-structural breccia rock zone.

主要工业矿体受层间滑动构造角砾岩带控制。

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the tin orebodies dominated by greisen type and altered granite type are characterized by big thickness, strong alteration, medium tin grade and excellent metallurgical specialities.

锡矿以云英岩体型、蚀变花岗岩型为主，具有矿体厚度大、蚀变强、品位中等、矿石利用性能好等特点。

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Ore-forming materials were derived from a deep source ( the mantle) and the emplacement of orebodies is controlled by the main and secondary detachment zones.

成矿物质来自深源（地幔），矿体就位受主、次级拆离滑脱带控制。

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The deposit occurs in the deep metamorphic rock of Archean Jianping formation, with the orebodies controlled by NW fault structure. The gold mineralization is closely related to the Mesozoic intrusion rock and the ore is mainly of quartzite vein type.

矿床产于太古代建平群深变质岩中，矿体产出受NW向断裂构造控制，金矿化与中生代侵入岩关系密切，矿石类型主要为石英脉型。

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The shape of the principal section evidently controls the positions of the orebodies, and the orebodies mainly appear in places where the attitude of the section varies.

主断面的形态明显控制矿体赋存部位，矿体主要赋存于断裂产状变化部位。

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