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下柳沟—下沟地区多金矿床为我队50年代末发现和勘探评价的一个老矿区。1967年我们对该区外围开展1:5万综合矿产普查找矿时,根据矿区特点和有关成矿理论,对本区提出了火山喷发沉积成矿的认识。1968—1969年,我们在综合分析前人资料的基础上,重新对两矿区之间的湾阳河地段,开展了普查找矿。终于在白垩系红层覆盖区之下,找到了新的多金属工业矿体,这一新的发现不仅扩大了本区的多金属远景,而且对进一步开展多金属的普查找矿,也具有一定的意义。
The Xialiugou-Xiagou area polymetallic deposits are an old mine discovered and evaluated by our team in the late 1950s. In 1967, when we surveyed the periphery of the area with a 1: 50000 comprehensive mineral prospecting prospect, based on the characteristics of the mining area and the related metallogenic theory, we came to the understanding of volcanic eruption sedimentary mineralization in this area. From 1968 to 1969, on the basis of a comprehensive analysis of previous data, we conducted a general survey of the Wanyang River between the two mines. Finally, a new polymetallic industrial ore body was found beneath the red-bed cover of the Cretaceous. This new discovery not only expanded the polymetallic prospect in the region but also had the prospect of further prospecting for polymetallic deposits Meaning.