摘要
通过大量的野外地质调查和光薄片鉴定工作,认为豫西卢氏地区花岗伟晶岩型稀有金属矿床成矿过程中,富含挥发分的岩浆在特定的地质和物理化学条件下,通过结晶分异作用和交代作用使稀有元素聚集。其中,交代作用占主导地位,其过程强烈而复杂,在其不同次级阶段形成了各种有用矿物,占据稀有金属矿化的重要地位,从而最大限度地促成稀有金属矿床的形成。研究花岗伟晶岩型稀有金属矿床的成矿作用,可有效指导该类型矿产的勘查工作。
With a large number of field geological survey and the identification of light( thin) sheet,in the process of mineralization of granitic pegmatite type rare metal deposit in Lushi,western of Henan Province,crystal differentiation and metasomatism gathered the rare elements of magma rich in volatile at the specific geological and physical chemical conditions. Metasomatism played a leading role,and its process was intense and complex,various useful minerals had been formed at different secondary stages,occupying the important position of rare metal mineralization,which has contributed to the formation of rare metal deposits. The study of the mineralization of granitic pegmatite type rare metal deposits can effectively guide the exploration of this type of mineral.
引文
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