控矿断裂构造交汇部位的定向、定位研究及其应用
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摘要
多组控矿断裂交汇部位是内生金属矿床及矿体极为重要的控矿因素。目前,国内对断裂交汇的定位问题尚无定量研究,利用断裂交汇因素进行找矿勘探仍停留在定性阶段。系统讨论了常见断裂构造的交汇形式,并通过建立构造面方程和编写计算机应用程序,精确计算断裂交汇要素(交线和交点)的产状和空间坐标,以解决控矿断裂交汇部位的定向、定位问题。此研究不但对预测找矿靶区、指导勘探设计、追索和圈定工业矿化、准确定位隐伏矿体位置等具有一定的理论和实用价值,而且在地震、工程地质等方面的研究与应用亦具参考价值。
The intersection part of several groups of ore-controlling faults is an important ore-controlling factor of endogenic deposit and orebody.Nowadays,there is no quantitative research on the orientation of faults intersection,while applying faults intersection factors on ore prospecting stays in qualitative stage.The intersection modes of fault structures are discussed systematically.The fault plane equation and computer program are established to calculate the occurrence and spatial coordinates of the intersection factors accurately.The study has theoretical and use value on forecasting prospecting target,supervising prospecting design,searching for and delineating industrial mineralization,positioning the buried orebody,earthquake and engineering geology study.
The intersection part of several groups of ore-controlling faults is an important ore-controlling factor of endogenic deposit and orebody.Nowadays,there is no quantitative research on the orientation of faults intersection,while applying faults intersection factors on ore prospecting stays in qualitative stage.The intersection modes of fault structures are discussed systematically.The fault plane equation and computer program are established to calculate the occurrence and spatial coordinates of the intersection factors accurately.The study has theoretical and use value on forecasting prospecting target,supervising prospecting design,searching for and delineating industrial mineralization,positioning the buried orebody,earthquake and engineering geology study.
引文
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[2]陈国达.成矿构造研究法[M].北京:地质出版社,1978.
[3]杨登美,王明卫.河南省康山金矿田控矿因素简析[J].河南地质,2001(1):51-55.
[4]程军,边红业,段晓君,等.黑龙江嘉荫—萝北地区金矿构造控矿特征分析[J].黄金地质,2004,10(3):27-31.
[5]李绪俊,郗爱华,陈静.脉状金矿定位预测的关键——主控矿因素分析[J].吉林大学学报:地球科学版,2008,38(5):731-737.
[6]冯守忠.中国东部伴生金矿床的类型及主要控矿因素[J].黄金地质,2003,9(3):9-14.
[7]王全伟,梁斌.川西北微细浸染型金矿集中区构造对金成矿的控制[J].矿物岩石,2004,25(4):49-52.
[8]冯适安.斜面交迹及其在地质工作中的应用[J].地质与勘探,1986,22(2):30-36.
[9]何绍勋.构造地质学中的赤平极射投影[M].北京:地质出版社,1979.
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