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东天山觉罗塔格地区广泛发育的晚古生代岩浆岩及相关的矿产一直是东天山大地构造研究的焦点。觉罗塔格南缘红云滩花岗质岩体的岩石、矿物组合显示典型的钙碱性火山弧花岗岩特征。岩石地球化学研究表明,该花岗质岩石富集大离子亲石元素而亏损高场强元素,是洋壳俯冲所导致的下地壳物质部分熔融、岩浆分离结晶和上地壳同化混染作用的产物。LAM-ICP/MS锆石定年结果表明,红云滩花岗岩侵位于早-中石炭世(328．5±9．3Ma)。结合觉罗塔格地区由南至北,晚古生代矿产分布由火山沉积-热液改造型铁矿向斑岩型铜钼矿过渡的特征、火山-沉积岩分布和该区晚古生代的大地构造演化历史,作者推测:早古生代觉罗塔格洋向塔里木板块俯冲并形成中天山岛弧之后,该洋盆并未完全消亡,并于晚古生代时极性反转,向北俯冲于准-吐-哈地块之下。红云滩花岗岩正是形成于晚古生代觉罗塔格俯冲洋壳之上的火山弧环境。觉罗塔格地区晚古生代的岩浆岩,火山-沉积岩和矿产分布均不同程度受控于这一大地构造背景。
The late Paleozoic magmatic rocks and related minerals, widely developed in the Jueluotag area of the East Tianshan Mountains, have been the focus of the study on the tectonic evolution of the East Tianshan Mountains. The rock and mineral assemblages of the Hongyuntan granitic rocks on the southern edge of Jueluotage show typical characteristics of calc-alkaline volcanic arc granites. Petrological and geochemical studies show that the granitic rocks enriched in large ion lithophile elements and depleted in high field strength elements, resulting from partial melting of lower crustal materials by subduction of the oceanic crust, separation and crystallization of magma, and assimilation and assimilation of the upper crust . The dating of LAM-ICP / MS zircons shows that the Hongyintan granitoid intrusion was located in the Early-Middle Carboniferous (328.5 ± 9.3Ma). Combined with the characteristics of the transition from volcanic sedimentary-hydrothermal alteration type iron ore to porphyry copper-molybdenite, the distribution of volcanic-sedimentary rocks and the evolution of Late Paleozoic tectonic evolution in the area from North to South of Jueluotag area from the north to the north, , The authors speculate that after the Early Paleozoic Joto Lottag subducted the Tarim plate and formed the middle Tianshan island arc, the ocean basin did not completely die out and reversed polarity in the Late Paleozoic and diverted northward to the quasi-spit-ha Under the block. Hongyun Tan granite is formed in the late Paleozoic Joto Lottag oceanic volcanic arc above the environment. The Late Paleozoic magmatic rocks, volcanic-sedimentary rocks and mineral distribution in the Jueluotag area are controlled to varying degrees by this tectonic setting.