离子吸附型稀土矿的成矿机理及找矿标志

The Mineralization Mechanism of the Ion Adsorption Type Rare Earths Ore and Prospecting Marks

对离子相稀土的成矿机理、矿床地质特征、矿石配分特征和找矿标志等进行了深入的研究与总结,并指出离子吸附型稀土矿的形成是在内生条件下形成富含易风化的稀土矿物的岩浆岩,在气候温暖湿润、丘陵地貌地区、岩浆岩风化后形成以粘土类矿物和石英为主的风化壳,与此同时,易风化的稀土矿物分解,生成的三价稀土离子被粘土类矿物吸附富集成矿。

This paper recorded the geological features of ion adsorption type rare earths deposits , ore - formed mecha- nism , distribution characteristics of rare earths in ore and prospecting marks . And points out that the ore - formed condition included the magmatic rocks riched in easy weathering rare earths minerals ,the warm wet weathering and hilly landscope areas. In this condition, the trivalent rare earths ions were produced from the easy weathering ore earths minerals in magmatic rocks and adsorpted by clay minerals.