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对莫托萨拉一带不同时代地质体中不同岩石稀土元素的分布、配分、比值进行研究，并探讨它们之间的某些成因关系。从分析结果看，莫托萨拉石炭系和三叠系花岗质砾岩、砂岩系盆地周围花岗质岩浆岩的风化产物，铁锰矿与火山岩间在稀土元素方面关系不密切，奥热且克沟铜矿石与变质围岩间有较密切的关系
The distribution, allocation and ratio of rare earth elements in different rocks in the geology bodies of Motosala were studied, and some genetic relationships between them were also discussed. From the results of the analysis, weathered formations of the granitic magmatic rocks in the Motosala Carboniferous and Triassic granitic conglomerates and sandstone basins are not closely related to the rare earth elements in the volcanic rocks. Kegou copper ore and metamorphic rock is more closely related