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东昆仑地区是近年来发现的具有多金属找矿潜力的矿集区之一,位于北祁漫塔格复合岩浆弧的北西段,北部为祁漫塔格弧形山脉,南部为新生代库木库里盆地(图1)。前人对区内与热液型、矽卡岩型、斑岩型铁、铜、铅、锌等矿床有关的花岗岩进行了大量的研究,在成岩成矿作用关系等方面也取得了一定进展(丰成友等,2012;高永宝等,2010;2012),但对区内新发现的与稀有稀土矿化关系密切的花岗岩研究却相对缺乏,制约了区内稀有稀土找矿工作。本文选择区内新发现的于沟
The eastern Kunlun area is one of the ore-gathering areas with the potential of polymetallic prospecting found in recent years. It is located in the northwestern segment of the North Qimantag composite magma arc, the northern part is the Qimantag arc arc mountain, the south is the Cenozoic Tremella Curi Basin (Figure 1). The predecessors have done a lot of research on the granites related to hydrothermal, skarn-type, porphyry-type iron, copper, lead and zinc deposits in the area and have also made some progress in the relationship between diagenesis and mineralization Feng Chengyou et al., 2012; Gao Yongbao et al., 2010; 2012). However, there is a relative lack of research on the newly discovered granite in the area that is closely related to the rare-earth mineralization, restricting the exploration for rare earths in the area. This article selects the newly discovered ditch in the area