西昆仑成矿带黑恰达坂温泉沟群含铁层位的圈定

发布时间：2018-04-17 08:30

本文选题：遥感地质调查 + 菱铁赤铁矿矿化带　；参考：《国土资源遥感》2017年03期

【摘要】：为了更好地发挥遥感技术在我国西部艰险复杂地区地质找矿工作中的作用,利用World View2,Quick Bird,IKONOS,ASTER和ETM+等多元遥感数据,采取去相关、比值计算、主成分分析和图像融合等图像处理方法,在西昆仑成矿带黑恰达坂一带开展了1∶50 000遥感地质解译和遥感异常提取研究,对黑恰达坂附近的菱铁赤铁矿矿化带分布情况进行了调查,并通过野外验证快速圈定了温泉沟群的含铁层位。该矿化带赋存在下志留统温泉沟群,延伸长约120 km,其西北部被岩体侵蚀,东南部被喀拉塔格断裂截切,具有层位稳定、沿走向倾向连续性好、规模大的特征,是开展矿产资源调查工作的有利地区。调查结果表明,遥感技术已经成为地质矿产调查工作不可或缺的手段之一,必将在地质找矿工作中发挥重要作用,加速区域找矿突破进程。
[Abstract]:In order to better play the role of remote sensing technology in geological prospecting in the difficult and complex areas of western China, image processing methods, such as de-correlation, ratio calculation, principal component analysis and image fusion, are adopted by using multivariate remote sensing data, such as World View2 Quick Birdfly, IKONOSERASTER and ETM, etc.The 1:50 remote sensing geological interpretation and extraction of remote sensing anomalies have been carried out in Heichadaban area of the West Kunlun metallogenic belt. The distribution of the magmatorite mineralization zone near Heichadaban has been investigated.The iron-bearing horizon of the hot spring gully group was quickly delineated by field verification.The mineralization zone is located in the Lower Silurian hot spring gully group with an extension of about 120 km. The northwestern part of the zone is eroded by rock mass, and the southeastern part is cut off by Karatagh fault, which has the characteristics of stable horizon, good continuity along the strike trend and large scale.Is carries out the mineral resources investigation work the advantageous area.The results show that remote sensing technology has become one of the indispensable means of geological and mineral exploration, and will play an important role in geological prospecting and accelerate the process of regional mineral exploration breakthrough.
【作者单位】：中国国土资源航空物探遥感中心;中国煤炭地质总局航测遥感局遥感院;
【基金】：中国地质调查局地质调查项目“西部重要成矿区带高分遥感地质矿产调查技术研发与应用示范”(编号:12120113100100)和“重要成矿带遥感地质调查综合研究”(编号:1212011087106)共同资助
【分类号】：P627

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