| 华北陆块北缘重点铀成矿区遥感图像纹理分形特征分析 |
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| 引用本文： | 田青林,潘蔚,余长发,李瀚波,李新春,陈雪娇.华北陆块北缘重点铀成矿区遥感图像纹理分形特征分析[J].铀矿地质,2017(2):123-128. |
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| 作者姓名： | 田青林 潘蔚 余长发 李瀚波 李新春 陈雪娇 |
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| 作者单位： | 核工业北京地质研究院,遥感信息与图像分析技术国家级重点实验室,北京100029 |
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| 基金项目： | 受国防科工局华北陆块北缘铀多金属矿遥感评价技术项目资助 |
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| 摘 要： | 华北陆块北缘作为中国5个铀成矿省之一,铀成矿潜力巨大,分布有多种类型铀矿床,其特征是否存在共性并用以指导找矿,值得进一步研究。文章通过目视解译、盒计维度、多重分形谱等方法对已知矿田区图像纹理进行研究发现,矿田区在不同尺度目视解译出的多方向构造特征不同,相较于外围邻区具有更大的分形维度值及更对称的奇异谱形态,对预测区综合研究也得到一致结论。这说明图像纹理可以用于成矿条件评价,对该区远景预测具有一定指导意义。
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| 关 键 词： | 铀矿 分形 纹理分析 华北陆块 |
Analysis on Fractal Texture Feature of Remote Sensing Image for Major Uranium Metallogenic Areas in the Northern Part of North China Landmass |
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| TIAN Qinglin,PAN Wei,YU Changfa,LI Hanbo,LI Xinchun,CHEN Xuejiao.Analysis on Fractal Texture Feature of Remote Sensing Image for Major Uranium Metallogenic Areas in the Northern Part of North China Landmass[J].Uranium Geology,2017(2):123-128. |
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| Authors: | TIAN Qinglin PAN Wei YU Changfa LI Hanbo LI Xinchun CHEN Xuejiao |
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| Abstract: | As one of the five uranium metallogenic provinces in China,there are various types of uranium deposits and great uranium prospecting potential in the northern part of North China Landmass,whether there is common feature among these deposit which can be used to guide the exploration of uranium deposits need further study.In this paper,visual interpretation,calculation of box dimension and α-f(α)multifractal spectra were used to study the texture features of remote sensing image in ore-fields,and found that ore-fields is with multi-direction line structure features at different scale in visual and larger value of fractal dimension and more symmetric multifractal spectra than that of the image of the neighbor area.Research on the prediction areas show the same conclusion,therefore image texture can be used for metallogenic conditions evaluation and can used as guide role in prospect prediction. |
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| Keywords: | uranium deposit fractal texture analysis North China Landmass |
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