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本文在宏观地质调查的基础上,对石碌铁矿的含矿层(六层和七层)的小构造和显微构造等进行了一定数量的统计、测定和计算等工作,并配合趋势面分析和成矿模拟试验。查明了:1. 六、七层间确存在有不整合关系;2.石碌地区的应力场变化和构造轴向的发育顺序;3. 北西向褶皱构造控制着地层和矿体的总体展布,并使矿体在向斜槽部加厚,北东向褶皱的叠加则使其进一步加厚,二期负向构造的复合部位是找寻厚、富矿体的有利地段;4.矿区褶皱形态为一种相似褶皱,枢纽倾伏,轴面斜歪,真正轴迹有所偏移。
Based on the macroscopic geological survey, this paper carried out a certain amount of statistics, measurement and calculation on the small structures and microstructures of the ore-bearing layers (sixth and seventh floors) of Shilu Iron Mine. Combined with the trend surface analysis And metallogenic simulation test. It is found that: 1. there is an unconformity between the six and seven layers; 2. the change of stress field in Shilu area and the axial developmental sequence; 3. the NW-trending fold structure controls the overall development of strata and ore bodies Cloth, and the ore body is thickened in the syncline groove, and the superimposition of the NE trending fold further thickens the ore body. The composite site of the second-stage negative tectonics is a favorable area for finding thick and rich ore bodies; The shape is a kind of similar fold, the hub is tilted, the axis is oblique, the real axis is offset.