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音频大地电磁测深在团溪铝土矿勘探中的应用
THE APPLICATION OF AUDIO MAGNETOTELLURIC SOUNDING TO TUANXI BAUXITE DEPOSIT EXPLORATION
【摘要】 团溪铝土矿主要赋存在灰岩和白云岩之间,通过音频大地电磁测深资料进行反演分析,发现它们的地球物理模型表现为两高夹低阻的层状或视层状模型。因此采用音频大地电磁测深(AMT)。可以有效地探测出铝土矿化的空间分布,较好的区分了矿层及其上下围岩。
【Abstract】 Tuanxi bauxite deposit is mainly distributed between limestone and dolomitite. According to the inversion analysis of audio magnetotelluric sounding data,we have discovered the geophysical model shows the stratified or apparent stratified model of 2 high with 1 low resistance interbedding. Therefore,the distribution of bauxite deposit can be effectively explored with audio magnetotelluric sounding. The ore bed can be separated well from upper and lower wall rocks.
【基金】 国家“十二五”国家重大科学仪器设备开发专项(2012YQ030126);广西自然科学基金(2013GXNSFBA019212);广西高校科学技术研究重点项目(2013ZD029)联合资助
- 【文献出处】 云南地质 ,Yunnan Geology , 编辑部邮箱 ,2015年03期
- 【分类号】P631.325;P618.45
- 【被引频次】2
- 【下载频次】104