ETM+遥感影像构造解译在找矿预测中的应用——以安徽钟姑山地区为例
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摘要
安徽钟姑山地区位于扬子准地台下扬子台坳带宁芜火山岩盆地南段,属长江中下游铁矿成矿带,多以隐伏矿床为主。以陆地卫星遥感影像为基础通过遥感构造解译发现了一批新的隐伏断裂构造。通过遥感蚀变信息和地磁异常信息的叠置分析,共圈定A级预测区4个,B级预测区2个,C级预测区1个,为当前钟姑山铁矿资源勘查提供了有价值的新的依据。
Zhonggushan area in Anhui province locates in south section of Ningwu volcanic basin of Yangzizhun depression in the Yangzi platform.It belongs to iron-forming belt of the lower reach of Changjiang river,and is mainly composed of hidden deposit.On the basis of satellite remote sensing image,through remoting sensing interpretation of structures,some new hidden faults have been found.At last,through remote sensing altered information and folding analysis of geomagnetic anomaly information,four predication areas with the level of A,two predication areas with the level of B,and one predication area with the level of C have been circled.It will provide valuable and new basis for iron ore resources exploration in Zhonggushan area.
Zhonggushan area in Anhui province locates in south section of Ningwu volcanic basin of Yangzizhun depression in the Yangzi platform.It belongs to iron-forming belt of the lower reach of Changjiang river,and is mainly composed of hidden deposit.On the basis of satellite remote sensing image,through remoting sensing interpretation of structures,some new hidden faults have been found.At last,through remote sensing altered information and folding analysis of geomagnetic anomaly information,four predication areas with the level of A,two predication areas with the level of B,and one predication area with the level of C have been circled.It will provide valuable and new basis for iron ore resources exploration in Zhonggushan area.
引文
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[7]卫亚星,王莉雯.遥感图像增强方法分析[J].测绘与空间地理信息,2006,29(2):4-7.
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[11]王祖洪,韩先菊,刘荫椿,等.利用ETM+数据进行金矿化蚀变信息提取方法探讨[J].黄金地质,1996,2(3):46-51.
[12]刘天佑,地球物理勘探概论[M].北京:地质出版社,2007.
[13]魏邦顺,黄建平,金永念,等.磁测资料在宁芜地区(江苏部分)矿产资源潜力评价中的应用[J].地质学刊,2011,35(1):64-72.
[14]娄德波,宋国玺,李楠,等.磁法在我国矿产预测中的应用[J].地球物理学进展,2008,23(1):249-256.
[15]吴虹.关于磁参数统计的讨论[J].地质与勘探,1975,(8):54-57.
[16]余建华,陈文革,杨海英,等.地面磁测在西天山查岗诺尔—备战一带铁矿勘查中的应用[J].西部探矿工程,2010,(8):150-152.
[17]秦润君,吴虹,许浩,等.基于ETM+遥感数据的闽南地区断裂活动性评价探讨[J].山东国土资源,2012,28(5):21-24.
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