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西藏自治区昌都地区芒康县盐井乡全年产盐约1 500t,除供应当地外,还远销左贡、察雅、贡觉等县及滇西地区,由于开采年代久远,大部分卤水井已枯竭,急需进一步勘探。鉴于盐井地下水具有中温、高矿化的特点,采用EH-4系统高频大地电磁测深探明深部储层的信息及含盐地下水上升的通道信息,进一步预测该区域盐矿层赋存状态,通过实例证明该方法可行的。
Salt Lake Township, Mangkang County, Qamdo Autonomous Region, produces about 1,500 tons of salt each year. In addition to supply local, but also exported to Zuo Gong, Chaya, Gongjue County and western Yunnan, due to the exploitation of a long time, most of the brine well Drainage, urgent need for further exploration. In view of the characteristics of moderate temperature and high mineralization of salt water in groundwater, the information of deep reservoirs and channel information of salt water groundwater rise are obtained by using EH-4 system of high-frequency geomagnetic sounding to further predict the occurrence of salt deposit in this area. The example shows that this method is feasible.