山东郗山碱性杂岩体地质特征及与稀土矿的关系

Geological Characteristics and Relation with Rare Earth Elements of Alkalic Complex in Chishan of Shandong Province

摘要:

对郗山碱性杂岩体的岩石学、岩石化学、微量元素、稀土元素特征及与稀土矿的关系进行了分析研究 ,认为该碱性杂岩属板内花岗岩类 ,形成温度大约在 630℃ ,压力为 2× 1 0 8Pa,侵位深度约 6.6km ,为稀土矿的成矿母岩。

Abstract:

Through analysis of the relationship of petrology, lithochemistry, rare earth elements, microelements with rare earth deposit, it is regarded that the alkalic complex belongs to within-plate granites with forming temperature 630℃, pressure 2×10 8Pa, and emplacement depth 6.6km. It is ore-forming country rock of rare earth deposit.