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3.详查工作在发见原生矿化现象、老硐、废矿堆的地区,或者是从金属量测量的光谱分析发见元素含量高的地区,(在小比例尺时,即使是个别高点,也要加以注意),应加密点距线距进行详查(有时为了了解深处矿化晕的情况,还应从不同采样深度上加以比较)。剖面布置的方向,应垂直于假想矿体的走向,长度一般在300—500公尺左右。详查工作比例尺1:10,000的测量,测网的点线距一般为100×20公尺。这时一般的有色金属矿如含铜砂岩,沉积锰矿等矿床,其工作结果已足够用来作为转入地质勘探工作的依据.但是对脉状矿床,铅锌接
3. The detailed investigation shows that in the areas where the primary mineralization, the old cave and the waste ore heap occur, or from the spectral analysis of the metal content, the area with high elemental content is found (at small scales, even individual highs , But also pay attention to), should be encrypted point-by-line detailed investigation (sometimes in order to understand the depth of mineralization halo, but also from different sampling depth to be compared). The direction of section layout should be perpendicular to the direction of the hypothetical ore body, with a length of 300-500 meters. Detailed survey work scale 1: 10,000 measurements, measuring the line spacing is generally 100 × 20 meters. At this time, the general non-ferrous metal deposits such as copper-bearing sandstone and sedimentary manganese deposits have been used as the basis for the geological exploration work,