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六、地下水水化学勘查图5示出了埋芷深浅不同的五种矿床,对于“D”、“E”这两种矿床很难发现,成矿区的覆盖物能提供些信息,但都不太成功,这两种矿床是美国目前注意的中心,勘
VI. Groundwater Hydrochemical Exploration Figure 5 shows the five deposits of different depths. It is difficult to find two kinds of deposits such as “D” and “E”. The covering of the metallogenic area can provide some information, However, they were both unsuccessful. Both deposits are the center of attention in the United States at present