The earlier units contain abundant mafic micro-enclaves, and the petrographic study of the enclaves indicates the crust-mantle mixing origin of the granitic magma.
较早次单元中富含镁铁质微粒包体，经包体岩相学研究，花岗岩浆具壳幔混合成因。
They were formed by mixing of the partial melting granitic magma of crust-derived material and mantle-derived basic magma.
岩石主要由幔源岩浆与中下地壳物质部分熔融形成的花岗质岩浆的混合形成的。
The ore-forming material and fluid was derived from the depth of the Earth especially from upper mantle or crust-mantle mixing zone , due to alkali-rich magma activity during late Yanshanian epoch.
成矿流体和主要矿质均源于地球深部，以上地幔或壳幔混合带为主，与燕山晚期富碱岩浆活动密切相关。
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